Adaptive Control Patents (Class 701/58)
  • Patent number: 12045033
    Abstract: A machine learning device includes a data extraction unit that extracts first and second parameters from a plurality of machining programs. The machining programs numerically control a machine tool. The first parameter is a parameter to be adjusted, and the second parameter is a parameter used to adjust the first parameter. The machine learning device also includes a machine learning unit that learns a value of the first parameter according to a data set that includes the first and second parameters.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: July 23, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Susumu Matsubara, Kenji Iriguchi, Hiroki Kaneko
  • Patent number: 11961155
    Abstract: A system for transportation, includes at least one vehicle and an artificial intelligence (AI) system in communication with the at least one vehicle. The AI system is operative on at least one processor having access to a non-transitory storage medium that stores computer executable instructions to be executed by the at least one processor. The AI system includes a first neural network of a hybrid neural network to classify social media data sourced from a plurality of social media sources as affecting a transportation system, a second neural network of the hybrid neural network to predict at least one vehicle-operating objective of the transportation system based on the classified social media data, and a third neural network of the hybrid neural network to optimize a state of the at least one vehicle in the transportation system to achieve the at least one vehicle-operating objective of the transportation system.
    Type: Grant
    Filed: July 31, 2021
    Date of Patent: April 16, 2024
    Assignee: STRONG FORCE TP PORTFOLIO 2022, LLC
    Inventor: Charles Howard Cella
  • Patent number: 11945705
    Abstract: Controlling a maximum vehicle speed for an industrial vehicle includes determining, by a processor of the industrial vehicle, a torque applied to the traction wheel of the industrial vehicle; converting the torque to an equivalent force value; and determining an acceleration of the industrial vehicle while the torque is applied to the traction wheel. Additional steps include calculating a load being moved by the industrial vehicle, based at least in part on the acceleration and the equivalent force value; and controlling the maximum speed of the industrial vehicle based on the calculated load being moved by the industrial vehicle.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: April 2, 2024
    Assignee: Crown Equipment Corporation
    Inventors: Joe K. Hammer, Mark E. Addison
  • Patent number: 11845452
    Abstract: An electronic control device includes a first processing control unit and a second processing control unit, wherein: the first processing control unit and the second processing control unit alternately start arithmetic processing with information of an external environment as an input; and second arithmetic processing of the second processing control unit is started after first arithmetic processing by the first processing control unit is started and before the first arithmetic processing is ended.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: December 19, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Taisuke Ueta, Tatsuya Horiguchi, Kenichi Shimbo, Hideyuki Sakamoto
  • Patent number: 11794573
    Abstract: A power transmission device for a commercial vehicle having an electric axle, may include a first differential ring gear fixedly mounted on a first rear-wheel driveshaft; a second differential ring gear mounted on a second rear-wheel driveshaft; a propeller shaft, with a first differential drive gear engaged with the first differential ring gear being connected to a front-end portion of the propeller shaft and a second differential drive gear engaged with the second differential ring gear being connected to a rear end portion thereof; a reducer connected to the first differential ring gear or the propeller shaft; and a motor, an output shaft of the motor being connected to an input gear of the reducer.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: October 24, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventor: Ju San Kim
  • Patent number: 11624437
    Abstract: A transmission for a vehicle includes a transmission shift unit that receives a shift command of the vehicle, a driving unit that generates a driving force for causing the transmission shift unit to be switched between positions, and a controller configured to control the driving unit for causing the transmission shift unit to be switched between the positions depending on whether a preset condition is satisfied. In particular, the driving unit includes a first stator to generate magnetic flux, a first rotor including first inner permanent magnets and second inner permanent magnets and configured to be rotated by the magnetic flux transmitted to the first inner permanent magnets, outer permanent magnets, a second rotor disposed between the second inner permanent magnets and the outer permanent magnets, and a clutch unit disposed between the first rotor and the second rotor.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: April 11, 2023
    Assignee: SL Corporation
    Inventors: Chun Nyung Heo, Sung Jin Kim, Min Soo Kim, Mi Rae Do, Gwang Sun Kim, Jae Seung Hong
  • Patent number: 11618459
    Abstract: A vehicle includes a powertrain, an inertial measurement unit configured to measure inertial forces exerted onto the vehicle, and a controller. The controller is programmed to control the torque at the powertrain based on a mapped relationship between the inertial forces and a vehicle velocity, wherein the mapped relationship utilizes at least one mapping parameter. The controller is further programmed to estimate a mass of the vehicle based on the mapping parameter.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: April 4, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Yuji Fujii, Ankit Saini, Yijing Zhang, Weitian Chen, Akshay Bichkar, Conor Edward Sullivan, Hong Jiang, Thirumal Nagadi, Jose Velazquez Alcantar
  • Patent number: 11597472
    Abstract: A control device of a gear transmission-equipped vehicle includes a power controller that starts power reduction control when it is determined that a start condition is satisfied, the power reduction control being control of reducing power transmitted from a driving source to a gear transmission. The start condition includes: a condition that a detection value of a gear position sensor that detects a current gear position of the gear transmission falls within a transition region between engagement regions corresponding to respective gear positions; and a condition that a speed difference obtained by subtracting a rotational speed of an output shaft of the gear transmission from a rotational speed of an input shaft of the gear transmission is a threshold or more.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: March 7, 2023
    Assignee: KAWASAKI MOTORS, LTD.
    Inventors: Kengo Ueda, Hiroyuki Watanabe, Kazuki Arima
  • Patent number: 11466771
    Abstract: A controller drives a shifting actuator to move a first engagement member from an original position of a first engagement portion in one direction along a relative motion path and acquires first position information representing a first position, the first position being a position where the first engagement portion moved in the one direction contacts a second engagement portion. The controller drives the shifting actuator to move the first engagement member from the original position in the other direction along the relative motion path and acquires second position information representing a second position where the first engagement portion moved in the other direction contacts the second engagement portion. The controller calculates a center position of the first engagement portion on the relative motion path from the acquired first position information and the acquired second position information, compares the calculated center position to the original position.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: October 11, 2022
    Assignee: KAWASAKI MOTORS, LTD.
    Inventor: Yuuka Matsumoto
  • Patent number: 11313420
    Abstract: A control system in a four-wheel-drive motor vehicle for the distribution of drive forces at least from a drive of the motor vehicle to wheels of the first and second axles of the motor vehicle, at least including: a distribution device for distributing the drive forces to the first and second axles; rotation rate sensors for detecting the rotation rate of the two axles and/or the wheels of the motor vehicle, a central control device that is connected to a distribution controller and the sensors and a vehicle communication system, wherein the distribution controller is attached to the distribution unit and performs control both to a setpoint torque and to a setpoint rotation rate, and thus—in a drive-dependent and switchable manner—determines a distribution ratio of the drive forces to be distributed to the first and second axles on the basis of the ratio between the torque and the setpoint torque or between the setpoint rotation rate and the setpoint rotation rate.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 26, 2022
    Assignee: MAGNA POWERTRAIN GMBH & CO KG
    Inventors: Sascha Germer, Georg Gottsberger
  • Patent number: 11246265
    Abstract: An agricultural system including an agricultural baler and a control unit. The baler includes a driveline including at least one heat generating component; a rotatable flywheel; a rotary input shaft connectable by the driveline to the rotatable flywheel; and at least one pump for supplying cooling fluid at a cooling fluid pressure to the at least one heat generating component. The control unit is configured to: receive baler-data indicative of one or more operating conditions of the agricultural baler; receive cooling-pressure-data indicative of a flow of the cooling fluid supplied by the at least one pump; set a threshold-condition based on the baler-data; and provide a control-signal to the agricultural baler based on a comparison between the cooling-pressure-data and the threshold-condition.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: February 15, 2022
    Assignee: CNH Industrial America LLC
    Inventors: Xavier G J M Bonte, Kenneth De Leener
  • Patent number: 11143291
    Abstract: An apparatus for controlling transmission of vehicle may include a determining device to determine whether to perform deceleration control, based on the vehicle and a target for the deceleration control in front of the vehicle, a calculating device to sub-divide a distance between a current position of the vehicle and the target for the deceleration control into sections, and calculate a target distance for each section of the plurality of sections and a target speed of the section, based on a current speed of the vehicle and the distance between the current position of the vehicle and the target for the deceleration control, a gearshifting stage deciding device to determine a gearshifting stage for each section of the plurality of sections, based on the calculated target speed and the calculated target distance for the section by configuring a deceleration profile for each gearshifting stage, and a control device to control the transmission for each section based on the gearshifting stage for the section.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 12, 2021
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Kwang Hee Park, Byeong Wook Jeon, Dong Hoon Jeong, Jae Chang Kook
  • Patent number: 10967860
    Abstract: A vehicle control device is provided which is capable of properly satisfying an acceleration request from a driver even when the driver performs a step-on operation of an accelerator pedal in the implementation of an ACC mode. The vehicle control device is capable of: a front car follow-up travel mode, in which a driving force and a transmission ratio are controlled based on a first accelerator position (AP1) for an inter-vehicle distance to a preceding vehicle to be a target inter-vehicle distance; and an override mode, in which the driving force and the transmission ratio are controlled based on a second accelerator position (AP2) determined by an operation of an accelerator operator performed by a driver.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: April 6, 2021
    Assignee: Honda Motor Co., Ltd.
    Inventor: Yuichiro Takemori
  • Patent number: 10948074
    Abstract: A method of shifting an automated transmission in a vehicle comprises tracking vehicle parameters and determining a current gear selection. An upshift threshold can be determined for the current gear selection. Future gradient conditions are determined in a lookahead distance and are processed to determine a first percentage of future conditions that are above a selected gradient threshold. The first percentage of future conditions is compared to a selected first percentage limit to determine that the first percentage of future conditions is within the first percentage limit. The upshift threshold for the current gear selection is adjusted to change the vehicle parameter at which the vehicle transmission shifts from the current gear selection to the adjacent gear. The automated transmission is computer-controlled to shift to the adjacent gear according to the adjusted upshift threshold. A downshift threshold can also be adjusted.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 16, 2021
    Assignee: Eaton Cummins Automated Transmission Technologies, LLC
    Inventors: Charles Adam Ganske, Himanshu Singh, Jerome J Palazzolo
  • Patent number: 10900561
    Abstract: Provided is a method of setting a neutral position of each speed-range shift rail for accurate gear-shifting in a transmission gear actuator. The method includes a reference neutral position determination step of determining a reference neutral position as an absolutely neutral position by reciprocating a shift finger in a free-range shift rail, and a speed-range neutral position determination step of determining a neutral position of each speed-range shift rail by reciprocating a control finger in the speed-range shift rail. Since the neutral position of each speed-range shift rail is set through the above method, it is possible to perform more accurate gear-shifting and prevent incomplete gear engagement by performing the gear-shifting at the neutral position of each speed-range shift rail.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: January 26, 2021
    Assignee: HYUNDAI TRANSYS INCORPORATED
    Inventor: Man Bok Lee
  • Patent number: 10821977
    Abstract: Pre-loading drivetrain to minimize electric vehicle rollback and increase drive responsiveness. In an exemplary embodiment, a method includes (a) detecting that an electric vehicle is stationary, a brake is engaged, and an accelerator is not engaged, and (b) controlling a vehicle motor to transition from a first mode to a second mode in response to (a). In the first mode, the motor is controlled to output torque in response to the accelerator position, and in the second mode, the motor is controlled to output torque sufficient to preload the electric vehicle. The method also includes (c) detecting the brake is transitioning away from being engaged and the accelerator is not engaged, and (d) controlling the motor to operate in a third mode in response to (c). In the third mode the motor is controlled to output torque sufficient to maintain the electric vehicle stationary.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 3, 2020
    Assignee: Motiv Power Systems, Inc.
    Inventors: Elias Stein, Justin Tomlin, Tai-Sik Hwang, James Michael Castelaz
  • Patent number: 10655731
    Abstract: As a mode switching shift line when a sub-transmission mechanism is switched from a first-speed to a second-speed, a first mode switching shift line, which prioritizes a learning of a hydraulic pressure with which a Low brake starts to slip and a learning of a hydraulic pressure with which a High clutch starts to transmit a torque, or a second mode switching shift line, which is a shift line in a Low side with respect to the first mode switching shift line and prioritizes a fuel efficiency of an engine is selected, and the sub-transmission mechanism is switched from the first-speed to the second-speed on the basis of the selected mode switching shift line.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: May 19, 2020
    Assignees: JATCO LTD, NISSAN MOTOR CO., LTD.
    Inventors: Takashi Koguchi, Sho Okutani, Kenji Hishida, Makoto Komatsu, Takuichiro Inoue, Jongkeun Lim, Hiroyasu Tanaka
  • Patent number: 10569662
    Abstract: A control apparatus for a vehicle having an electric motor, and a step-variable transmission selectively placed in a speed position with engagement of a coupling device, wherein the vehicle runs rearward with a reverse drive torque of the electric motor generated in a forward-drive low-speed position of the transmission, is provided. The control apparatus includes: a first shift control portion temporarily increasing an input torque of the transmission to raise its input speed toward a synchronizing speed in the low-speed position, and commands an engaging-side coupling device to be brought into its engaged state after the input speed has been raised to a predetermined value; and a second shift control portion increasing an engaging force of the engaging-side coupling device to bring the engaging-side coupling device into the engaged state.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: February 25, 2020
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin AW Co., Ltd.
    Inventors: Kenta Kumazaki, Takeshi Kitahata, Masato Yoshikawa, Hisashi Ishihara, Hiromichi Kimura, Kazuyuki Shiiba, Tooru Matsubara, Mitsuru Maeda
  • Patent number: 10502153
    Abstract: A method for controlling an engine of a vehicle going downhill with a throttle operator in an idle position, and a driven pulley of a CVT initially having a driven pulley speed below a predetermined driven pulley speed, includes: determining a first speed, the first speed being proportional to the driven pulley speed; as the driven pulley speed increases and the driven pulley speed is below the predetermined driven pulley speed, increasing an actual engine speed as the driven pulley speed increases; the actual engine speed being an engagement speed when the driven pulley speed is the predetermined driven pulley speed; and as the driven pulley speed continues to increase and the driven pulley speed is above the predetermined driven pulley speed: controlling the engine to operate under conditions corresponding to an engine braking speed thereby causing engine braking, the engine braking speed being less than the actual engine speed.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: December 10, 2019
    Assignee: BOMBARDIER RECREATIONAL PRODUCTS INC.
    Inventor: Jean-Philippe Houle
  • Patent number: 10501083
    Abstract: A vehicle control device includes control means for executing coasting control, in which a friction engaging element is disengaged and a rotation speed of a rotary shaft of a drive source is set at zero, when a shift range corresponds to a travel range and a coasting condition is established, and the control means executes the coasting control when the shift range is modified to a neutral range.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: December 10, 2019
    Assignee: JATCO LTD
    Inventors: Yusuke Nakano, Yusuke Ota, Yoshimasa Nishihiro, Masayoshi Nakasaki, Yukifumi Ootsuka, Takuro Kawasumi, Shintaro Oshio
  • Patent number: 10378644
    Abstract: Disclosed is a control apparatus for a vehicular transmission comprising: a vehicle speed sensor; an accelerator opening angle sensor; and a gear-shift control section (8D) of a CVTECU 8. The vehicle speed sensor includes: an output shaft rotation speed sensor (90) configured to detect a rotation speed (rotation numbers) of an output shaft (41) of the automatic transmission; road wheel rotation speed sensors configured to detect rotation speeds (rotation numbers) of four road wheels (90B through 90E); and a vehicle speed calculating section (8B) of CVTECU 8 configured to calculate the vehicle speed from the information of the road wheel rotation speeds when a preset predetermined condition as a condition under which vertical variations of the rotation speed of the output shaft are generated is established and calculate the vehicle speed from the output shaft rotation speed information if the predetermined condition is not established.
    Type: Grant
    Filed: March 7, 2016
    Date of Patent: August 13, 2019
    Assignee: JATCO LTD
    Inventors: Hiroki Iwasa, Tetsuya Izumi
  • Patent number: 10358125
    Abstract: A vehicle includes an engine and an electric machine coupled to a gearbox. A controller is programmed to predict, at an onset of a shift, a supplemental torque profile to fill a torque hole expected during the shift and an available electric machine torque during the shift. The controller is further programmed to, in response to the supplemental torque profile exceeding the available electric machine torque during the shift, operate the engine from the onset to achieve a torque reserve in anticipation of increasing the engine torque.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: July 23, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Mark Steven Yamazaki, Christopher John Teslak, Bernard D. Nefcy, Rajit Johri, Justin Panhans
  • Patent number: 10302178
    Abstract: An outer race assembly for a continuously variable transmission includes a hydraulic cavity housing, a first radially outer race structure spaced along an axis from a second radially outer race structure to form a radially outer race, and planetary members in rolling contact with the radially outer race. The first radially outer race structure includes nesting engagement with the hydraulic cavity housing, and a hydraulic cavity sealed between the hydraulic cavity housing and the first radially outer race structure to control axial movement of the first radially outer race structure.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: May 28, 2019
    Assignee: Orbital Traction, Ltd.
    Inventors: Joseph D. Kliewer, Mark M. Koeroghlian
  • Patent number: 10161516
    Abstract: A shift control apparatus for a vehicle which has an engine with an exhaust supercharger, and a transmission, if there is a deceleration intention of a driver, compares a target torque and an actual torque, and while the actual torque is higher than the target torque and a difference therebetween is greater than or equal to a predetermined threshold value, controls a speed at which to cause a gear ratio of the transmission to change to the target gear ratio to be slower than at a time of normal shift control.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: December 25, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Atsushi Sato, Hirofumi Akagi
  • Patent number: 10077049
    Abstract: A method is provided for adapting the starting gear of an automated manual transmission in a heavy vehicle, where a pre-selected starting gear is selected by a transmission control unit depending on vehicle parameters of the heavy vehicle, where the starting gear is lowered from the pre-selected starting gear depending on a movement behavior of a vehicle in front of the heavy vehicle. The pre-selected starting gear can be adapted to the traffic in front of the vehicle, which makes it possible to avoid unnecessary gear changes and which allows for a smooth starting cycle of the vehicle.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: September 18, 2018
    Assignee: Volvo Truck Corporation
    Inventors: Johan Bjernetun, Anders Eriksson
  • Patent number: 9975428
    Abstract: A cluster control system of a vehicle may include a cluster controller for controlling a cluster, an engine controller for controlling an engine and supplying an engine revolutions per minute (RPM) to the cluster controller, and a transmission controller for controlling a transmission and supplying a virtual engine RPM according to a shifting type to the cluster controller when a shifting event occurs.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: May 22, 2018
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Joung Chul Kim, Sunghyun Cho
  • Patent number: 9891634
    Abstract: A solenoid valve control system comprising a solenoid valve drive circuit applying a drive current to the solenoid valve; a pressure data calculation unit calculating a pressure data including a band and a cycle of pressure fluctuation from a pressure value; a pressure hysteresis calculation unit calculating a difference between the pressure value when the drive current value is increased and the pressure value when the drive current value is decrease as a hysteresis amount; a vibration determination unit determining whether or not the pressure data is included in an area outside the pressure data range, which is outside a first predetermined range; a hysteresis determination unit determining whether or not the pressure hysteresis amount is included in an area outside the pressure hysteresis amount range, which is outside a second predetermined range; and a drive frequency adjustment unit adjusting a drive frequency based on the determination result.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: February 13, 2018
    Assignee: NIDEC TOSOK CORPORATION
    Inventors: Yoshihisa Sugimoto, Jyunichi Sakashita, Naoki Kobayashi
  • Patent number: 9771883
    Abstract: An engine assembly includes a control module configured to receive a torque request and an engine configured to produce an output torque in response to the torque request. The control module includes a processor and tangible, non-transitory memory on which is recorded instructions for executing a method for supervisory model predictive control. The control module includes a multi-layered structure with an upper-level (“UL”) optimizer module configured to optimize at least one system-level objective and a lower-level (“LL”) tracking control module configured to maintain at least one tracking parameter. The multi-layered structure is characterized by a decoupled cost function such that the UL optimizer module minimizes an upper-level cost function (CFUL) and the LL tracking control module minimizes a lower-level cost function (CFLL). The system-level objective may include minimizing fuel consumption of the engine and the tracking parameter may include delivering the torque requested to engine.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: September 26, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Ibrahim Haskara, Yiran Hu, Chen-Fang Chang
  • Patent number: 9752971
    Abstract: A viscosity measuring apparatus is mounted on a vehicle provided with an engine, a cylinder pressure sensor configured to detect cylinder pressure which is inner pressure of a cylinder of the engine, a fuel injection valve configured to supply fuel to the engine, and a temperature sensor configured to detect temperature of a coolant of the engine. The viscosity measuring apparatus is provided with: an estimating device configured to calculate a cooling loss from a heating value of the cylinder based on the cylinder pressure detected by the cylinder pressure sensor and an input heating value of the cylinder, and to estimate viscosity of the coolant on the basis of the calculated cooling loss.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: September 5, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Sho Tomita, Rentaro Kuroki
  • Patent number: 9746073
    Abstract: A system for a vehicle includes a desired pressure module, a valve actuation module, a filter module, and a capacity detection module. The desired pressure module selectively generates an increase in a desired pressure of hydraulic fluid for a clutch of an automatic transmission. The valve actuation module actuates a solenoid valve based on the desired pressure. The solenoid valve supplies hydraulic fluid to a regulator valve, and the regulator valve supplies hydraulic fluid to the clutch. The filter module filters an acceleration of a shaft of the automatic transmission to generate a filtered acceleration. The capacity detection module indicates whether the clutch reached torque carrying capacity based on the filtered acceleration.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: August 29, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Matthew D. Whitton, Timothy R. Stockdale, Amanda P. Igel, Nathaniel E. Wilke
  • Patent number: 9656656
    Abstract: In one aspect, a method for reducing fuel consumption of a work vehicle is disclosed. The method may generally include determining, with a controller, a load power requirement for the work vehicle, determining a plurality of candidate engine speeds at which the load power requirement is achievable, analyzing stored efficiency data for a transmission and at least one additional component of the work vehicle to determine a power loss value for each candidate engine speed, determining a candidate engine power for each candidate engine speed based on the load power requirement and the power loss values and analyzing stored fuel efficiency data based on the candidate engine powers to determine a target engine speed for the work vehicle.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 23, 2017
    Assignee: CNH Industrial America LLC
    Inventors: Yun Xing, Yanming Hou, Haibo Guo
  • Patent number: 9656664
    Abstract: A hybrid vehicle control device for a drive system is provided with an engine, a motor and an automatic transmission. The hybrid vehicle control device is configured such that when there is a mode switch request during an EV mode where only the motor is used as a drive source, a shift is made to an HEV mode where the engine and the motor are used as drive sources. The hybrid vehicle control device is further configured such that if a mode switch request and a downshift request for the automatic transmission (are generated, mode switch control is immediately started first. The configuration is also such that downshift control is started once the rotational speed of the engine has reached a combustion possible rotational speed, and the transmission speed at this time is made to be faster than an ordinary transmission speed.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 23, 2017
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takao Ando, Ryosuke Ito
  • Patent number: 9605755
    Abstract: A method and system for controlling movement of an actuator fork of a transmission through a pre-synchronization phase of a synchronization event at a pre-synchronization fork velocity includes adjusting the level of fluid pressure applied to an actuator operatively attached to the actuator fork to control the pre-synchronization fork velocity within a predetermined range of a velocity target. The method determines, via a controller, the fork velocity during the pre-synchronization phase of a current synchronization event, compares the determined fork velocity to a velocity target, and adjusts the pressure level of fluid applied to an actuator piston of the actuator to control the velocity of the actuator fork within a predetermined range defined by the velocity target during a subsequent pre-synchronization phase. The velocity target may be defined for a shift type, such as a fast or slow shift, where the shift type is determined by the controller.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: March 28, 2017
    Assignee: GM Global Technology Operations LLC
    Inventors: Glenn W. Hoefflin, Minh Q. Truong, Christopher Jay Weingartz
  • Patent number: 9586478
    Abstract: An engine rotational speed display device includes: an engagement state determination module that determines an engagement state of a lock-up clutch; a target rotational speed setting module that sets a target turbine rotational speed according to a selected gear stage; a rotational speed for display selection unit that selects an engine rotational speed as a rotational speed for display when the lock-up clutch is not engaged and selects the target turbine rotational speed as the rotational speed for display when the lock-up clutch is engaged; a time measuring module that measures an elapsed time since a gear shift operation is received; and a rotational speed for display limiting module that limits a variation in the rotational speed for display per unit of time according to the elapsed time when the target turbine rotational speed is selected as the rotational speed for display.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: March 7, 2017
    Assignee: FUJI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shinya Yasunaga, Keisuke Ajimoto
  • Patent number: 9575992
    Abstract: The invention relates to a method, a map providing device, a computer program and a computer program product for presenting a digital map via a map presenting unit of a user terminal. An object (01) and a first position (P1) of this object are obtained together with a digital map (M1) comprising a reference position (RP) and the first position (P1). A line (L1) is determined, which at one end is to be connected to the reference position and at another opposite end to the first position. Then a geographical area (A1) of the digital map including the reference position is presented. If the first position (P1) is outside of the geographical area then a part (L1A) of the line stretching through the geographical area is presented. If not no line is presented. The appearance of the line when presented is dependent on the distance between the reference position and the first position.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: February 21, 2017
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventor: Johan Bolin
  • Patent number: 9333973
    Abstract: A speed change control system for reducing shift shocks of clutch-to-clutch shifting is provided. The control system is applied to a vehicle in which a transmission having engagement devices is connected to an output side of a prime mover, and in which a gear stage of the transmission is shifted among a plurality of stages by changing engagement states of the engagement devices. The speed change control system carries out a clutch-to-clutch shifting from a predetermined gear stage to another gear stage by reducing a torque capacity of the predetermined engagement device to be disengaged while increasing a torque capacity of another engagement device to be engaged.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: May 10, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Seiji Masunaga, Yoshio Hasegawa, Seiji Kuwahara, Nobufusa Kobayashi
  • Patent number: 9315193
    Abstract: A speed change control system for reducing shift shocks of clutch-to-clutch shifting is provided. The control system is applied to a vehicle in which a transmission having a plurality of engagement devices is connected to an output side of a prime mover, and in which a gear stage of the transmission is shifted among a plurality of stages by changing engagement states of the engagement devices. The speed change control system is configured to carry out a clutch-to-clutch shifting of the gear stage from a predetermined gear stage to another gear stage by gradually reducing a torque capacity of the predetermined engagement device to be disengaged while gradually increasing a torque capacity of another engagement device to be engaged.
    Type: Grant
    Filed: May 8, 2012
    Date of Patent: April 19, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Seiji Masunaga, Yoshio Hasegawa, Seiji Kuwahara, Nobufusa Kobayashi
  • Patent number: 9187082
    Abstract: At a hybrid vehicle including a driving power generation device with an engine, a first MG (motor generator) and a second MG, and a transmission device including a power split mechanism coupling an output shaft to the engine and the first MG, and a transmission coupling an output shaft to the second MG, an ECU stops the driving power generation device when the transmission device is in error. Then, the ECU determines whether the vehicle is actually stopped or not based on a detection value from a wheel speed sensor, and maintains the supply of electric power from the battery until a determination is made that the vehicle has actually stopped.
    Type: Grant
    Filed: February 2, 2011
    Date of Patent: November 17, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takeshi Nozaki
  • Patent number: 9145659
    Abstract: A ride control system uses speed, pressure, hand throttle, foot throttle and seat position information associated with a tractor-loader-backhoe to determine when to engage and disengage the ride control system for the tractor-loader-backhoe. Once the ride control system is engaged, the ride control system can be disengaged in response to either an operator command or a measured speed of the tractor-loader-backhoe being below a predetermined speed.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: September 29, 2015
    Assignee: CNH Industrial America LLC
    Inventors: Robert Walz, C. David Anderson, Matthew J. Hennemann, David J. Sanning, Nicholas S. Chibucos
  • Patent number: 9140337
    Abstract: A method for operating a powertrain through selective application of a hydraulically actuated clutch includes monitoring a state of a pressure control switch operatively coupled the clutch, monitoring a hydraulic line pressure utilized by the pressure control switch to fill the clutch, determining a hydraulic flow rate flowing to the clutch based upon the state of the pressure control switch and the hydraulic line pressure, tracking a clutch fill volume of the clutch based upon the hydraulic flow rate, and controlling operation of the clutch based upon the clutch fill volume.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: September 22, 2015
    Assignees: GM Global Technology Operations LLC, Daimler AG, Chrysler Group LLC, Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Jy-Jen F. Sah, Bryan R. Snyder, Ali K Naqvi
  • Patent number: 9096217
    Abstract: A control apparatus for a transmission that form a plurality of shift speeds by engaging those of a plurality of engagement elements which need be engaged for each shift speed. The control apparatus having a target shift speed changing unit that changes a target shift speed based on a vehicle speed and a neutral control unit that, when predetermined conditions that are predetermined to bring the transmission into a neutral state are satisfied during traveling, engages at least one of the engagement elements that need be engaged to attain the target shift speed, and disengages the remainder of the engagement elements, thereby bringing the transmission into the neutral state.
    Type: Grant
    Filed: March 29, 2012
    Date of Patent: August 4, 2015
    Assignee: AISIN AW CO., LTD.
    Inventors: Takehiko Suzuki, Tomonori Tsugo, Yukio Sugiura
  • Patent number: 9091343
    Abstract: A system for driving a machine is provided. A user input device inputs a desired throttle setting for the machine. The system includes an infinitely variable transmission having a transmission ratio that is adjustable. At least one sensor determines an inclination of the machine relative to a reference plane. A controller is configured to determine and apply a variable rate limit upon change in the transmission ratio based on the inclination of the machine when the desired throttle setting is reduced more than a predetermined amount and to adjust the rate limit based on the difference between an actual engine speed and a desired engine speed.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: July 28, 2015
    Assignee: Caterpillar Inc.
    Inventors: Joshua Callaway, Steven J. Juricak, Corwin E. Storer
  • Patent number: 9085341
    Abstract: An electric power assist device and a driving method for an electric vehicle are provided. The electric power assist device adapted for the electric vehicle includes an angle sensing unit, a driving module, and a control module. The angle sensing unit senses a tilting angle of the electric vehicle on the road. The driving module includes a power driving unit and a motor. The driving module receives a control signal for driving the electric vehicle by the motor. The control module is coupled to the angle sensing unit and the driving module. The control module adjusts the control signal according to a change of the tilting angle to increase a torque force of the motor when the electric vehicle is on an uphill road.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: July 21, 2015
    Assignees: Kinpo Electronics, Inc., Cal-Comp Electronics & Communications Company Limited
    Inventors: Chia-Chin Tsai, Wen-Hsin Lo
  • Patent number: 9057438
    Abstract: A compression control device for a continuously variable transmission is provided in which when estimating the torque ratio, which is the ratio of the actually transmitted torque relative to the maximum transmittable torque of the continuously variable transmission, based on the transmission characteristics for transmitting the given variable component of the input shaft to the output shaft via an endless belt, a slip identifier, which is an indicator for the ratio of the amplitude of the variable component between the input shaft and the output shaft, or a phase lag, which is an indicator for difference in phase of the variable component, is used. It is possible to improve the control responsiveness and reduce the computation load of the control device and to improve the power transmission efficiency of the continuously variable transmission while preventing the endless belt thereof from slipping.
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: June 16, 2015
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kyohei Sakagami, Hirohiko Totsuka, Masato Shigenaga
  • Publication number: 20150149052
    Abstract: A shift control apparatus for a vehicle may include a GPS sensor detecting a vehicle location, a navigation device outputting short-distance road information and long-distance road information using the vehicle location, a vehicle controller restoring forward road information using the short-distance road information and the long-distance road information, and determining a degree of curve and an average degree of inclination of a road using the forward road information, and a vehicle shifting unit having a shift controller controlling a shift pattern of a transmission using the degree of curve and the average degree of inclination.
    Type: Application
    Filed: September 30, 2014
    Publication date: May 28, 2015
    Applicants: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hoon Jeong, Joseph D. Chang, Byeong Wook Jeon
  • Patent number: 9043100
    Abstract: The present invention provides for a transmission shift assembly for a vehicle and methods of monitoring and controlling the same. The transmission shift assembly includes a transmission having a shift position member movable between a plurality of gear positions, an actuator configured to move the shift position between the gear positions, and a linkage coupled to the actuator and movable between a plurality of positions in response to movement of the actuator. The assembly further includes a controller to control the actuator, an ignition to receive a key, and at least one key sensor positioned within the ignition and configured to transmit a signal to the controller upon sensing removal of the key, the controller controlling the actuator to move the shift position member to a predetermined gear position upon receiving the signal from the key sensor that the key has been removed from the ignition.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: May 26, 2015
    Assignee: Steering Solutions IP Holding Corporation
    Inventor: James E. Rouleau
  • Patent number: 9043101
    Abstract: In an arrangement for controlling an automatically shifting transmission, as a result of a corresponding programming of an electric control device, when actuating a second selecting device, starting from the automatic mode, first an immediate upshifting or downshifting can be prompted and is permitted unless prevented by a specified condition. In the case of a brief actuation, a first or further immediate upshifting and/or downshifting can be prompted and the current or thereby reached gear will be maintained until, first, the duration of the actuation has reached the specific minimum duration and, second, the actuation of the selecting device was terminated. When the second selecting device has a first operating element for the manual triggering of an upshift command and a second operating element for the manual triggering of a downshift command, the event controlling the return to the automatic mode may be the recognition of the simultaneously present commands downshifting and upshifting.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: May 26, 2015
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Matthias Reichler, Andreas Segerer
  • Publication number: 20150142282
    Abstract: A method of controlling the shifting of gears in a TMED-type hybrid vehicle may include a stage in which, in a case where it is required that a power-on upshift operation is performed simultaneously when engagement of an engine clutch is carried out in order to convert the driving mode from an electric vehicle (EV) driving mode to hybrid-electric vehicle (HEV) driving mode, simultaneously performs the engagement of the engine clutch and the shift operation, thereby improving acceleration and shifting performances and providing a quick driving response for a driver.
    Type: Application
    Filed: August 13, 2014
    Publication date: May 21, 2015
    Applicant: Hyundai Motor Company
    Inventors: Soo Bang LEE, Tai Jin Jung
  • Patent number: 9031753
    Abstract: A control apparatus for an automatic transmission that selectively engages a plurality of frictional engaging elements for shift control includes a shift instruction device, a temperature calculator, an engageability determiner, an engagement delay device, a load calculator, a cumulative load calculator, and a threshold temperature changer. The engageability determiner is configured to determine whether at least one of the plurality of frictional engaging elements is engageable or not based on a comparison between a temperature of the at least one of the plurality of frictional engaging elements calculated by the temperature calculator and a predetermined threshold temperature in a case where the shift instruction device outputs a shift instruction. The threshold temperature changer is configured to change the predetermined threshold temperature in a case where a cumulative load calculated by the cumulative load calculator reaches a value greater than or equal to a predetermined value.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: May 12, 2015
    Assignee: Honda Motor Co., Ltd.
    Inventor: Takashi Satoyoshi
  • Patent number: 9026327
    Abstract: A method for controlling a transmission of a powertrain system includes executing a single source shortest path search to identify a preferred shift path originating with an initial powertrain state and terminating at a target powertrain state, wherein the single source shortest path search employs transition-specific costs and situational costs to identify the preferred shift path. The preferred shift path is executed to achieve the target powertrain state.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: May 5, 2015
    Assignee: GM Global Technology Operations LLC
    Inventors: Lawrence A. Kaminsky, Besim Demirovic, Pinaki Gupta, Anthony H. Heap