Abstract: A system that includes a first control unit having one or more processors. The one or more processors may operate a first traction control unit and a first braking device of a first vehicle of a vehicle system based on an operator input command signal. The system also includes a second control unit in communication with the first control unit and having one or more processors configured to operate a second traction device and a second braking device of a second vehicle of the vehicle system based on at least one operational objective of the vehicle system.

Abstract: The invention is a method for determining a speed profile for minimizing emissions of at least one pollutant generated by a vehicle during a journey. The method requires a model of the vehicle dynamics, an analytical model of the emissions of the pollutant, and at least one speed profile model divided into at least two phases, each of the phases corresponding to a traction acceleration mode of the vehicle with a number of acceleration modes preferably being five. Then, a speed profile minimizing the emissions of at least one pollutant is determined by seeking, from speed profiles with respect to the distance, duration, and initial and final speeds of the journey and distinguished by distinct phase durations with the speed profile for which the emissions of the pollutant are modelled is by use of an analytical model for which the pollutants are the lowest.

Abstract: A motor control apparatus for controlling a power supply to an electrical motor (M) connected to an output terminal (3) of the motor control apparatus (1) comprising: an overcurrent protection circuit (1A) having a power switch (5) through which the electrical motor (M) receives an electrical load current (IL) and having a sensor component (4) connected in series with the power switch (5) and adapted to generate directly a voltage drop (?U4) corresponding to the current rise speed of the electrical load current (IL) flowing from an input terminal (2) of the motor control apparatus (1) via the sensor component (4) and the power switch (5) to the output terminal (3) and having a driver circuit (6) adapted to detect an occurring overcurrent depending on the voltage drop (?U4) generated by the sensor component (4) and/or depending on a voltage drop (?U5) along the power switch (5) and adapted to switch off said power switch (5) upon detection of an overcurrent within a switch-off period of less than one millisec

Abstract: An apparatus of controlling travel on a slope includes a receiver configured for obtaining information on a vehicle, a slope travel determiner configured to determine whether the vehicle is traveling on a slope requiring a slope travel control, a slope travel preparator configured to set a virtual accelerator position sensor (APS) mode, and determine hill hold torque based on the obtained information on the vehicle, a slope travel controller operatively connected to the slope travel determiner, the slope travel determiner and the slope travel preparator and configured to determine driving torque of the vehicle, and control the vehicle to stop or travel on the slope by generating driving torque in an amount equal to or greater than the hill hold torque, and a torque generator operatively connected to the slope travel controller and configured to generate the driving torque determined by the slope travel controller.

Abstract: A vehicle motion control system for coordinating and synchronizing a wheel-individual brake system and a power-train torque vectoring actuator system in a vehicle. The wheel-individual brake system includes at least one first actuator for applying a braking torque to individual wheels of the vehicle. The power-train torque vectoring actuator system includes at least one second actuator for applying a torque to individual wheels of the vehicle through a propulsion system. The vehicle motion control system includes a central control function module including a plurality of yaw torque controllers. Each yaw torque controller is configured to receive data including driver inputs and vehicle motion states to determine a respective yaw torque based on the received data for controlling the yaw behavior of the vehicle.

Abstract: A motor control device according to an embodiment includes a hardware processor configured to: calculate a first torsion torque generated by a motor shaft according to fluctuation of an engine torque based on a difference between a motor angle as a rotation angle of the motor shaft and a shaft angle as a rotation angle of a transmission shaft of a transmission on the downstream side of a damper; calculate a first vibration damping torque to be output by a motor generator to damp vibration of the motor shaft based on the first torsion torque and a drive state value indicating a drive state of an engine; and output a motor torque command value to be provided to the motor generator based on the first vibration damping torque.

Abstract: A vehicle control apparatus configured to control a driving motor coupled to at least one wheel includes a motor controller, a vehicle speed calculator, and a vehicle speed setter. The motor controller controls the driving motor in a constant speed driving mode. The vehicle speed calculator calculates a first vehicle speed based on a rotation angle of the driving motor. The vehicle speed setter sets, as a driving speed in the constant speed driving mode, a second vehicle speed based on the first vehicle speed and a brake operation amount. The vehicle speed setter sets zero as the second vehicle speed when the brake operation amount exceeds its threshold and the first vehicle speed falls below its threshold, and sets the first vehicle speed as the second vehicle speed when the brake operation amount does not exceed its threshold r the first vehicle speed does not fall below its.

Abstract: A first torque estimator determines a first torque estimation value according to a cross product method, and a second torque estimator determines a second torque estimation value according to an energy method. A torque weight adjuster adjusts, using a weighting coefficient calculated in accordance with a predetermined condition, weightings respectively applied to these two types of torque estimation values, and outputs a torque estimation value.

Abstract: The disclosure discloses a method and an apparatus for simulating a vehicle. The detailed implementation includes: determining, by a tire dynamics module, a tire translational force at a current moment based on a control instruction issued by an upper planning module and motion data of a vehicle body and a tire normal load outputted by a vehicle body dynamics module at a previous moment; and determining, by the vehicle body dynamics module, motion data of the vehicle body and a tire normal load at the current moment based on the control instruction and the tire translational force at the current moment, the motion data of the vehicle body at the current moment being used for vehicle simulation, and the tire normal load at the current moment being used to determine a tire translational force at a next moment.

Abstract: Providing high accuracy calibration of a pump control table when variable capacity of a hydraulic pump is controlled based on a pump control table representing the relationship between pump capacity and current command value. The calibration: acquires data by measuring pump pressure corresponding to each current command value while changing the current command value in a multi-step manner; obtains a factor K representing a relationship between pump pressure and pump flow rate; creates a first table representing a relationship between the factor K and pump pressure; creates a second table representing a relationship between current command value and pump pressure; creates a third table representing a relationship between pump flow rate and current command value according to factor K; and creates a pump control table representing a relationship between pump capacity and current command value through engine rotation speed during pump pressure measurement.

Abstract: A system and method for speed/traction/slip control influences a driving engine torque of the vehicle. The method includes: calculating an idealized nominal engine torque from a linear control law applied to the speed/slip error; calculating an idealized setpoint for the speed/slip by applying a reference model to the idealized nominal engine torque; calculating a linearizing feedback with properties of compensating the nonlinearities in the road surface contact, compensating the inertia in the powertrain, and damping the powertrain; using for feedback the engine rotational speed, numerically determined derivation of engine speed, average speed of the driven axis, numerically determined derivative of the rotational speed of the driven axis, actual engine torque, and applying the driving engine torque to the engine vehicle to influence the traction and stability of the vehicle.

Abstract: An apparatus and a method for controlling pitch reduction may include a sensor device that measures a wheel speed and a longitudinal acceleration of a vehicle, a pitch rate estimation device that performs pseudo-integral of a difference between a wheel acceleration determined from the wheel speed and the longitudinal acceleration to determine an estimation value of a pitch rate, and a pitch motion reduction controller that generates a control command for implementing a motor torque in which the determined estimation value of the pitch rate is reflected and transmits the control command to an electric motor of the vehicle.

Abstract: A vehicle stability control method and a vehicle stability control device are provided. The method may be applied to an intelligent automobile field such as intelligent driving or autonomous driving, and is used to control lateral stability of a front axis and rear axis distributed driven vehicle. In this method, a yawing movement of the vehicle is considered, and an additional yawing moment for maintaining lateral stability of the vehicle is provided by compensating for front-axis and rear-axis slip ratios, to control lateral stability of the vehicle and therefore improve stability of the vehicle during driving.

Abstract: A method for operating a dual-clutch transmission includes, to resolve a respective tooth-on-tooth position between a toothing of a sliding sleeve and a toothing of a gear wheel during an engaging operation for the respective gear, a relative rotation between the toothing of the sliding sleeve and the toothing of the gear wheel is effected by a twisting torque which acts on the respective gear where the twisting torque is a same size for all of the plurality of gears.

Abstract: A method of controlling braking of a vehicle is provided. When a disconnector is disconnected and an auxiliary drive wheel is separated from a driving system, vehicle braking is performed with regenerative braking by a primary drive wheel motor during braking. Subsequently, the disconnector is connected based on a vehicle stability state, and then, braking is performed simultaneously on the auxiliary drive wheel and a primary drive wheel.

Abstract: Provided is a control apparatus for a vehicle, the control apparatus being configured to determine a road surface ? state of a road in front of the vehicle based on an image of a front region of the vehicle, and change a magnitude of an amount of reduction in a braking force per unit time in accordance with the determined road surface ? state in braking force cancel control executed after hill-hold control

Abstract: A vehicle running control device that is provided with an accelerating-decelerating operation element with an operation range inclusive of a driving range and a braking range includes the following. An input-output section that receives various information including information on a direction in which the vehicle is currently running, a determining section that determines whether the vehicle is in a switch-back state, and an acceleration-deceleration control section that controls the vehicle running. When a braking-driving request value for an operation of the accelerating-decelerating operation element is in the braking range and the determining section determines that the vehicle is in the switch-back state, the acceleration-deceleration control section keeps the braking-driving force at a braking-driving force that is applied to the vehicle when a shift range switch request is accepted.

Abstract: A method for controlling driving force of a vehicle includes: determining, by a controller, a basic torque command on the basis of vehicle operation information collected while a vehicle is driven; obtaining, by the controller, tire vertical load information and vehicle pitch motion information in real time during the vehicle is driven on the basis of the information collected from the vehicle; determining, by the controller, a final torque command using the determined basic torque command and the obtained tire vertical load information and vehicle pitch motion information; and controlling, by the controller, a torque output of a driving device configured to drive the vehicle according to the determined final torque command.

Abstract: A control device of a hybrid vehicle including an engine, motor that receives power from the engine via an engine connecting and disconnecting device, and automatic transmission, starts the engine in a first starting method in which the engine performs ignition and rotates by itself after the engine speed is increased to be equal to or higher than a predetermined rotational speed through slipping engagement of the engine connecting and disconnecting device, or a second starting method in which the engine performs ignition and rotates by itself from a stage before the engine speed reaches the predetermined rotational speed, and controls the automatic transmission to permit a lower gear position to be established according to shift conditions when the engine is started in the second starting method during a downshift of the automatic transmission, as compared with when the engine is started in the first starting method during the downshift.

Abstract: A drive control apparatus is applied to a drive system that is mounted to a vehicle, drives wheels of the vehicle by a motor, and brakes the wheels by a brake apparatus. The drive control apparatus determines a road-surface state of a travel road of the vehicle. The drive control apparatus suppresses slipping of the vehicle by correcting a drive torque by correcting at least either of a motor torque and a brake torque. When determined that the drive torque is to be corrected, the drive control apparatus adjusts a correction amount of the drive torque by adjusting the motor torque with higher priority than the brake torque in response to be determined that the road-surface state is rough.

Abstract: A method for executing multi-mode turns with a work vehicle includes transmitting initial steering and braking commands for controlling an operation of a steering actuator(s) and a steering brake(s), respectively, of the work vehicle to initiate execution of a multi-mode turning operation. The method also includes determining allowable steering and braking rates for the work vehicle based at least in part on an actual steering rate and an actual braking rate, respectively, of the work vehicle during execution of the multi-mode turning operation, and determining updated steering and braking commands based at least in part on the allowable steering and braking rates. In addition, the method includes transmitting the updated steering and braking commands to control the operation of the steering actuator(s) and the steering brake(s), respectively, to continue execution of the multi-mode turning operation.

Abstract: A steering determination device determines a steering state in which a driver of a vehicle is steering a steering wheel of the vehicle. The device includes a torque recognition unit configured to recognize a steering torque based on a measurement result of a torque sensor provided on a steering shaft, an acceleration recognition unit configured to recognize longitudinal acceleration or lateral acceleration, a threshold value setting unit configured to set a threshold value for the determination of the steering state, based on the longitudinal acceleration or the lateral acceleration, and a steering determination unit configured to determine that the driver is in the steering state if the steering torque is equal to or greater than the threshold value. The threshold value setting unit is configured to set the threshold value such that the threshold value decreases as an absolute value of the longitudinal acceleration or the lateral acceleration decreases.

Abstract: During shift control of a transmission mechanism, a hybrid drive device computes the amount of change in input torque (deTr) acting on the transmission mechanism and an input torque change time (t15), and controls a motor so that motor torque is changed by the amount of change in input torque (deTr), when the motor can change the amount of change in input torque (deTr), and outputs, when the motor cannot change the amount of change in input torque (deTr), an engine torque signal (Tesig1) at an engine torque change time (t14) earlier than the input torque change time (t15) at which drive power of the motor is changed when the motor can change the amount of change in input torque (deTr).

Abstract: An indicator control system includes an indicator configured to show a rotational speed of an internal combustion engine, and a controller configured to control an indicated rotational speed, which is the rotational speed to be shown by the indicator. The controller is configured such that, during a specific period in which the rotational speed of the internal combustion engine is reduced from a first rotational speed to a rotational speed lower than the first rotational speed and then increased to a second rotational speed higher than the first rotational speed, the controller increases the indicated rotational speed to the second rotational speed without reducing the indicated rotational speed from the first rotational speed to the rotational speed lower than the first rotational speed.

Abstract: A control unit performs a vehicle attitude control to reduce a torque generated by an engine when an increase in a steering angle exceeds a standard increase, and a spark ignition controlled compression ignition combustion in a predetermined operating range. In the spark ignition controlled compression ignition combustion, switching of an air-fuel ratio mode is performed between a first air-fuel ratio mode (?>1) is formed and a second air-fuel ratio mode (in which a mixed gas of ??1) is formed. If the switching of the air-fuel ratio mode is requested without the vehicle attitude control, the control unit allows performing the requested switching of the air-fuel ratio mode. In contrast, if the mode switching is requested in a state where the vehicle attitude control is requested, the control unit disallows switching of the air-fuel ratio mode even when the switching of the air-fuel ratio mode is requested.

Abstract: An engine control method includes a step of setting combustion mode in which a first combustion mode in which a mixed gas is combusted by propagating flame or a second combustion mode in which the mixed gas is combusted by self-ignition is selected, a step of setting air-fuel ratio mode in which a lean first air-fuel ratio mode or a second air-fuel ratio mode equal to or richer than a theoretical air-fuel ratio is selected, a step of setting torque reduction in which a torque reduction amount by which a torque generated by an engine is reduced based on a steer angle of a steering wheel, and a suppressing step in which reducing the torque generated by the engine based on the torque reduction amount set in the step of setting torque reduction is suppressed.

Abstract: A construction machine that precisely enables derivation of the operation characteristics of hydraulic actuators in a high-velocity area with less calibration operation is provided. A controller (10) has a calibration mode in which the controller (10) derives operation characteristics (?(xs)) representing a relation among a spool position (xs) of a meter-in valve (8a1), an operation velocity (Va) of a hydraulic actuator (4a), and a differential pressure (?P) across the meter-in valve (8a1), and is configured to, in a case where the spool position (xs) of the meter-in valve (8a1) has changed in a direction to increase the opening area of the meter-in valve (8a1) in the calibration mode, output a command signal to increase the opening area of a bleed-off valve (8b1) to a bleed-off solenoid proportional pressure-reducing valve (8b2) as a command signal to reduce the differential pressure (?P).

Abstract: A vehicular control system includes a camera, a yaw rate sensor, wheel sensors, an accelerometer and a steering sensor. A control includes a processor that estimates the actual yaw rate of the vehicle based on (a) a first yaw rate derived from yaw rate data provided by the yaw rate sensor, and (b) at least one selected from the group consisting of (i) a second yaw rate derived from wheel sensor data provided by the wheel sensors, (ii) a third yaw rate derived from acceleration data provided by the accelerometer, and (iii) a fourth yaw rate derived from steering data provided by the steering sensor. The vehicular control system at least in part controls the vehicle based on (i) image data captured by the camera as the vehicle travels along a road and (ii) the estimated actual yaw rate of the vehicle.

Abstract: A method and a system for controlling wheel torques of a vehicle (201) to provide a desired vehicle yaw torque during a cornering event. A set of indirect yaw torque parameters (a,k) indicative of the indirect vehicle yaw torque contribution from lateral wheel forces are determined based on the present wheel torque data (PtTq) and the lateral acceleration data (LatAcc) and a model. A required torque for the front axis wheels (202, 204) and a required torque for the rear axis wheels (206, 208) are calculated such that the desired longitudinal wheel torque and the target vehicle yaw (MzReq) provided, taking into account the set of indirect yaw torque parameters. The calculated torques are applied to the respective individual wheels.

Abstract: A method for operating a steering assist system of a motor vehicle, in which during a steering movement of the driver while driving the vehicle a steering assistance is determined. The steering assistance provided by an electro-hydraulic or electro-mechanical drive and may depend on the vehicle speed. The steering assistance providing a supportive force or a supporting moment to the steering system, wherein the provision of the steering assistance depends on the result of a judgment of whether there is a discrepancy between the determined steering assistance and the driver's steering intention based on a steering movement of the driver and a current value at least one steering parameter. A discrepancy exists between the steering assistance and the driver's intention to drive when a current value of a steering parameter exceeds a predetermined limit value.

Abstract: A vehicle control device is configured such that if, during an automatic driving mode in which a vehicle is automatically driven regardless of operations by a driver, such automatic driving mode is temporarily stopped by a prescribed operation by the driver and a normal driving mode in which the vehicle is driven in accordance with the operations of the driver is entered, and thereafter the automatic driving mode is returned to from the normal driving mode, specific control is implemented in the post-return automatic driving mode, such control being determined on the basis of the driving state of the vehicle during the normal driving mode before the return.

Abstract: A variety of methods and arrangements for reducing noise, vibration and harshness (NVH) in a skip fire engine control system are described. In one aspect, a firing sequence is used to operate the engine in a dynamic firing level modulation manner. A smoothing torque is determined by adaptive control that is applied to a powertrain by an energy storage/release device. The smoothing torque is arranged to at least partially cancel out variation in torque generated by the firing sequence. Various methods, powertrain controllers, arrangements and computer software related to the above operations are also described.

Abstract: A steering compensation apparatus includes a road camber determiner to determine a first road camber at a road position in front of a vehicle using wheel trajectory data and height data of the road position, a road camber logic circuit to select, via a torque mapper mapping a plurality of road cambers to a plurality of first compensating torques, a first compensating torque corresponding to the first road camber and a steering controller to drive a motor to deliver the selected first compensating torque to a steering rack at the road position responsive to the first road camber.

Abstract: Disclosed herein are an automotive radar apparatus and a method of controlling automotive radar, capable of recognizing a road gradient by easily adjusting a vertical scan angle based on intensities of radio waves received by radar of a vehicle traveling on a road to recognize a gradient of the road, and of preventing deterioration of detection performance by vertically adjusting a radio wave elevation angle of the radar so as to be suitable for the road gradient. The automotive radar apparatus includes an antenna unit transmitting radar signals or receiving reflected radar signals according to elevation angles of a transmission antenna or a receiving antenna, and a control unit searching a center angle based on received power according to the elevation angles to set a beam corresponding to the center angle as a center beam and setting ranges of interest on the basis of the center beam.

Abstract: A method for damping juddering in the drive train of a vehicle having an electric motor as the drive motor, and a vehicle having a closed-loop control system to carry out the method. The method includes calculating an electric motor setpoint torque for actuating the electric motor from an electric motor request torque which corresponds to a current request for a torque, and calculating a correction torque as a function of the electric motor request torque and a correction factor which is determined from a rotational speed of the electric motor.

Abstract: A hybrid vehicle includes an electronic control unit configured to: set a target rotation speed of an engine based on a vehicle speed and a shift position; set a driving force when an upper-limit power is output to a drive shaft as an upper-limit driving force; set a target engine power such that the smaller of the upper-limit driving force and the required driving force is output to the drive shaft; and control the engine, the first motor, and the second motor such that the engine to rotate at the target rotation speed and to output the target power. At this time, the upper-limit power is set to be lower when a coolant temperature of the engine is low than when the coolant temperature is high.

Abstract: A control system for a vehicle including a three-phase AC motor, a first switching device, a second switching device, and a power converter, is provided. The control system includes a short-circuit detector, and an ECU. The ECU is configured to: (a) control the power converter, when it is determined that the vehicle is stopped, so as to place, the power converter in a predetermined condition in which one of the first switching device and the second switching device for all of the three phases is in an OFF state, and (b) control the power converter when the short-circuit detector detects a short circuit in one of the first switching devices and the second switching devices, so that said one of the first and second switching devices in which the short circuit is detected provides the ON state in the predetermined condition.

Abstract: An electronic control unit sets a drivability target engine speed, sets upper limit engine power on the basis of the drivability target engine speed, and sets upper limit drive power by dividing the upper limit engine power by a rotational speed of a driveshaft. Then, the electronic control unit compares accelerator requested drive power with the upper limit drive power, sets target engine power such that lower one of the accelerator requested drive power and the upper limit drive power is output to the driveshaft, and controls an engine, a first motor, and a second motor such that the target engine power is output from the engine. In this way, a driver can receive further favorable drive feeling.

Abstract: A control unit of a work vehicle has a transmission requirement determination unit, a command-torque determination unit, and a tractive force limiting unit. The transmission requirement determination unit determines a required tractive force on the basis of an operating amount of an accelerator operating member. The required tractive force is a target tractive force of a travel device. The command-torque determination unit determines an output torque of the electric motor so that the tractive force of the vehicle reaches the required tractive force. The tractive force limiting unit reduces the required tractive force to a value less than a value corresponding to the operating amount of the accelerator operating member when the vehicle is excavating.

Abstract: A drive shaft protection apparatus may include a Revolutions Per Minute RPM) detection device configured to detect an RPM of an engine and of a turbine, a gear-shifting detection device configured to detect a lever position of a transmission, a steering-angle detection device configured to detect a steering angle, an accelerator pedal position detection device configured to detect a displacement of an accelerator pedal, an engine-torque detection device configured to detect an engine torque of a vehicle, a loss-torque detection device configured to detect loss torque of the vehicle, and a controller configured to change a limit torque based on a bending angle of a drive shaft upon receiving the steering angle, and variably perform engine torque reduction control in a manner that torque applied to the drive shaft does not exceed the limit torque in response to output signals of the respective detection device.

Abstract: An agricultural working system includes a self-propelled agricultural working machine equipped with an attachment in the form of a soil-management device such as a plow, a cultivator, or a harrow, a drive unit that acts as a drive train on land wheels, a control arrangement and a user interface and display unit associated with the control arrangement (5). The control arrangement ascertains the torque loads that occur during the working operation for at least one drive-train component, for example, drive shafts of the land wheels and provides at least one control function on the basis of the ascertained torque loads.

Abstract: An ECU executes a program including the steps of: executing addition processing when current IB is equal to or more than a current upper limit value IB(0) and there is a divergence between command power Pc and an upper limit value Woutf of an allowable range of electric power at the time of agreement between the current IB and the current upper limit value IB(0); and executing normal Woutf determination processing when the current IB is less than the current upper limit value IB(0) or there is no divergence between the command power Pc and the upper limit value Woutf at the time of agreement between the current IB and the current upper limit value IB(0).

Abstract: To provide a vehicle state amount estimating device capable of suppressing sudden change in behavior at the time of behavior control of the vehicle, in a vehicle state amount estimating device that estimates a target lateral acceleration used in a behavior control of a vehicle based on a lateral acceleration actual measurement value and a lateral acceleration estimated value at time of traveling of the vehicle; when estimating the target lateral acceleration based on the lateral acceleration actual measurement value and the lateral acceleration estimated value, the target lateral acceleration is estimated by performing weighting on the lateral acceleration actual measurement value and the lateral acceleration estimated value according to a state of side slipping of the vehicle.

Abstract: A drive and control system is provided for a towing vehicle pulling a towed implement, such as a tractor pulling a scraper. The drive system includes an engine which drives a generator for generating electric power. A towing vehicle electric drive motor is connected to driven wheels of the towing vehicle through a transmission. An assist or implement electric drive motor is drivingly connected to driven wheels of the implement. A power distribution unit controls distribution of electric power from the generator to the towing vehicle and implement drive motors. A control unit controls the power distribution unit as a function of an operator set power split, an operator set maximum wheel slip, sensed wheel slip and other sensed parameters.

Abstract: A power output of engine is restricted to become a power output which is calculated by using a first restriction accelerator operation degree when a brake operation with a brake pedal is detected in addition to an accelerator pedal operation with an accelerator pedal; and the power output of the engine is restricted to become a power output which is calculated by using a second restriction accelerator operation degree in place of the first restriction accelerator operation degree when an amount of change of the accelerator operation degree per unit time becomes larger than a preset certain value in a direction of depression of the accelerator pedal under a condition where the power output of the engine is restricted by using the first restriction accelerator operation degree, the second restriction accelerator operation degree being larger than the first restriction accelerator operation degree.

Abstract: A system and method for protecting a drive shaft that include a vehicle state detector configured to detect vehicle information including currently selected shift speed, hydraulic pressure signal detected by a hydraulic pressure detector mounted to a hydraulic pressure power steering assembly, vehicle speed, and engine RPM. In addition, a traction controller is configured to analyze the vehicle information delivered from the vehicle state detector and request reduction of torque when a predetermined condition is satisfied. An engine controller is configured to reduce output torque of an engine based on torque reduction requested by the traction controller to cause the torque applied to the drive shaft to be less than a limit torque.

Abstract: A drive system for a mobile machine is disclosed. The drive system may have a travel speed sensor, at least one traction device speed sensor, and a controller in communication with the travel speed sensor and the at least one traction device speed sensor. The controller may be configured to determine a slip value associated with a traction device of the mobile machine based on signals generated by the travel speed sensor and the at least one traction device speed sensor, and determine a torque output value of the mobile machine. The control may also be configured to make a comparison of the slip value and the torque output value with a pull-slip curve stored in memory, and selectively update the pull-slip curve based on the comparison.

Abstract: A two-wheeled inverted pendulum vehicle includes: single-winding first and second motors respectively rotating one of two wheels; first and second control systems respectively supplying drive currents to the first and second motors; a sensor detecting a physical quantity that varies with a turn of the vehicle; a dynamic brake unit being able to switch between active and inactive states of dynamic brake being applied to the first motor; and a control unit, when the control unit has determined that the vehicle is turning about the second motor side on the basis of the physical quantity while supply of drive current from the first control system to the first motor is inhibited, activating dynamic brake in the dynamic brake unit. The first control system, when an abnormality has been detected in the first control system, inhibits supply of drive current from the first control system to the first motor.

Abstract: A traction control device reducing an output of an engine unit for suppressing a spin of a driving wheel of a motorcycle, includes: a first spin detection unit detecting a spin of a rear wheel based on a vehicle speed calculated from a rotation of a front wheel being a driven wheel to which a driving force is not transmitted from the engine unit, and a vehicle speed calculated from a rotation of the rear wheel being the driving wheel to which the driving force is transmitted; and a second spin detection unit detecting the spin of the rear wheel based on a vehicle speed calculated from the rotation of the front wheel, and a vehicle speed calculated from a rotation of the engine unit.

Abstract: A PI calculation unit of a rectangular-wave voltage control unit calculates a control deviation by performing a PI calculation on a torque deviation relative to a torque command value, and outputs a voltage phase of a rectangular-wave voltage in accordance with the control deviation. A rate-of-change limiter imposes a restriction on the rate of change of the voltage phase. Here, the rate-of-change limiter lessens the restriction on the rate of change of the voltage phase, when the rate of change of the rotational speed of an electric motor is larger than a predetermined value representing an abrupt change of the rotational speed of the electric motor.