Abstract: Provided is an apparatus for compensating an image distortion and an apparatus for compensating an image distortion according to exemplary embodiments of the present invention, which compensates distortion of an image including a plurality of image division units includes: a compensation rate setting unit setting a variable distortion compensation rate so that the plurality of respective image division units are compensated at different ratios; and a compensation unit compensating the plurality of image division units according to the variable distortion compensation rate set by the compensation rate setting unit.
Abstract: The present invention relates to an apparatus and a method for monitoring a tire pressure considering a low pressure situation. Provided is a tire pressure monitoring apparatus considering a low pressure situation including: a radius analyzing unit which calculates a radius analysis value using a relative velocity difference and an average velocity calculated from wheel velocities of the wheels mounted on the vehicle; a critical value setting unit which compares the calculated radius analysis value with a predetermined determination reference value and sets different critical values in accordance with the comparison result; and a low pressure determining unit which determines a low pressure of a tire mounted on a vehicle using the set critical value.
Abstract: A method of protecting a frictional element of a clutch for an automatic transmission includes calculating an equivalent rotation number X of a frictional element using a trigonometric function equation on the basis of a virtual right triangle, if a rotation number of an engine exceeds a predetermined boundary value during a driving in a constant speed stage over a predetermined shift stage of an automatic transmission, entering a frictional element protection mode, if the equivalent rotation number X of the frictional element exceeds a predetermined critical value in a state in which the control unit enters the frictional element protection mode, reducing the rotation number of the engine by applying a target engine torque limiting value.
Abstract: The present invention relates to a predictive transmission control method through road shape recognition, and more particularly, to a control method for carrying out predictive transmission by recognizing the shape of a road utilizing information of a high density map. The present invention provides a transmission control method which can provide an accurate predictive transmission by recognizing the shape of the front road based on GPS information.
December 2, 2016
Date of Patent:
July 16, 2019
HYUNDAI AUTRON CO., LTD.
Dae-Geun Lee, Yong Min Kim, Jae Hoon Byeon, Ji Young Jung
Abstract: Provided are an apparatus for estimating vehicle mass using tire air pressure and a method thereof, the apparatus for estimating the vehicle mass including: an air pressure determining unit; a speed measuring unit; a data storing unit; an error calculating unit; and a mass calculating unit.
Abstract: An apparatus for pretreating a wheel speed includes a tone wheel having a plurality of teeth, a hall sensor configured to detect a measurement angle including an offset of each of the teeth, an offset correcting unit configured to correct the measurement angle with a corrective offset when disturbance is generated and a frequency estimating unit configured to estimate a frequency based on a result value calculated from the offset correcting unit.
November 25, 2014
Date of Patent:
July 2, 2019
Hyundai Autron Co., Ltd.
Tae-Hun Kim, Seung-Hwan Shin, Byung-Koo Choi, Young-Taek Cho
Abstract: A rain sensor is included in a vehicle, and a method for controlling the vehicle utilizes the rain sensor. The rain sensor includes a light transmitter configured to radiate light to a windshield of the vehicle; a light receiver configured to receive light reflected from the windshield to generate a reception light signal; a filter configured to filter out noise from the reception light signal; and a controller configured to determine a presence or absence of pollutant and a degree of pollution on the basis of the filtered reception light signal, and perform pollutant removing.
August 12, 2017
Date of Patent:
June 25, 2019
Hyundai Motor Company, Kia Motors Corporation, Hyundai Autron Co., Ltd.
Jong Min Park, Nak Kyoung Kong, Ki Hong Lee, Keun Sig Lim, Young Ik Cho, KyungTaek Kim, WonBok Hong, Taewang Kim
Abstract: Disclosed are a method of controlling a transmission for reducing clutch abrasion and an automatic transmission controlled by the method. The method is applied to a hybrid vehicle, and controls an automatic transmission having an independent flow control valve and an engine clutch cooling channel for the cooling of an engine clutch mounted thereon. The method includes a hybrid starter generator (HSG) state determination step of determining a state of an HSG, a driving motor cranking execution step of cranking an engine using a driving motor when the state of the HSG is a state in which the HSG does not operate in the HSG state determination step, and a cooling execution step of supplying an additional flow to the engine clutch cooling channel by driving the independent flow control valve, wherein the cooling execution step is performed simultaneously with the driving motor cranking execution step.
Abstract: Provided is a collision prevention system of a multi-master including: a plurality of external modules; and an integrated device. The integrated device includes: a plurality of interfaces connected respectively to the plurality of external modules and respectively controlled by corresponding external modules; a plurality of internal modules; a plurality of dedicated buffers connected respectively to the plurality of interfaces and the plurality of internal modules; and a common block connected to the plurality of dedicated buffers and controlled by the plurality of interfaces and the plurality of internal modules. The plurality of dedicated buffers includes a GBU and a plurality of LBUs. The GBU and the plurality of LBUs are connected to two neighboring GBUs and a plurality of LBUs to form a ring communication topology, which transmits ring communication data in one direction. The common block is connected to the ring communication topology through the GBU.
Abstract: The present invention provides an electronic control device including: a housing which has an opening portion formed at one side thereof; printed circuit boards which are inserted into the housing; and a connector unit which includes connector pins coupled to the printed circuit boards and closes the opening portion of the housing, in which the printed circuit boards include a first printed circuit board, and a second printed circuit board which is connected to one side of the first printed circuit board through a substrate connecting portion and provided below the first printed circuit board, the connector unit includes a first connector pin connected to the first printed circuit board and a second connector pin connected to the second printed circuit board, and an outer connector cover of the connector unit is disposed to be directed upward.
Abstract: Disclosed are a method and system for controlling fuel injection in response to a change in the content of ethanol in a FFV having oxygen sensors and an ethanol sensor. The system includes an ethanol content change detection unit configured to detect a change in the content of ethanol, a flow rate calculation unit configured to calculate a volumetric flow rate of blending fuel and to integrate the calculated value, a condition determination unit configured to determine whether the change in the content of ethanol satisfies a condition for applying a fuel injection correction value, a control execution determination unit configured to determine whether to apply the fuel injection correction value by comparing the volumetric flow rate integration value with a preset second reference value, and a controller configured to determine a fuel injection correction value and to adjust an amount of fuel injection.
Abstract: Provided is a multi-core processor error monitoring system including: first and second multi-core processors; and an error monitoring processor configured to monitor the first and second multi-core processors. The error monitoring processor includes a monitoring module and a first buffer and a second buffer. The monitoring module is connected to the first multi-core processor through a first path not passing through the first buffer and a second path passing through the first buffer. The monitoring module calculates and monitors a communication characteristic with the first multi-core processor including a communication speed and a delay rate in a bypass mode in connection with the first multi-core processor through the first pass. The monitoring module measures a read and write time of the first buffer in a QoS mode in connection with the first multi-core processor through the second pass to calculate a communication time with the first multi-core processor.
Abstract: A dynamic routing device for a CAN message of a vehicle includes: a message reception unit configured to receive a message of a specific ID transmitted from a source controller and a designated specific message from at least one destination controller; a message reception filter configured to dynamically change based on at least one piece of information included in the specific message; and a gateway controller including the message reception unit and the message reception filter, wherein the gateway controller is configured to generate dynamic routing table information based on information about the specific message, check reception of a message with respect to only a message ID set to the message reception filter, and perform message routing on a destination controller designated in the dynamic routing table.
Abstract: Provided is a multi-master collision prevention system including: a plurality of functional blocks including a plurality of external modules and a plurality of internal modules performing different functions; a plurality of interfaces respectively connected to the plurality of external modules, respectively; a plurality of dedicated registers including priority information of the plurality of functional blocks and connected to the plurality of functional blocks, respectively; a common block selectively connected to the plurality of functional blocks, and configured to function as a master for controlling the common blocks when the plurality of functional blocks are connected to the common block; and a priority determination unit configured to determine a connection between any one of the plurality of functional blocks and the common block.
Abstract: Disclosed herein is a motor control strategy of an electric shift-by-wire (SBW) system and is a method of performing PWM waveform simulation control in order to solve an impact/noise occurrence problem in a motor control process. A method of controlling the electric motor of an electric SBW system includes determining whether a current stage and a target stage are identical, rotating the motor in the direction of the target stage when the current stage and the target stage are not identical, performing motor OFF control when the current stage and the target stage are identical, performing reverse driving duty control when a difference between the current position and target position of the motor is less than a first setting value, and stopping the motor when the difference between the current position and target position of the motor is less than a second setting value.
Abstract: Provided is a power chip integration module including: a first semiconductor chip; a second semiconductor chip; a wiring layer on an upper surface or a lower surface of the first semiconductor chip and the second semiconductor chip to electrically connect the first semiconductor chip and the second semiconductor chip; an internal electrode extending from an internal electrode pad on an upper surface of at least one of the wiring layer, the first semiconductor chip, the second semiconductor chip, and combinations thereof to an external solder pad formed on an installation surface of the first semiconductor chip and the second semiconductor chip; and a first molding member in a shape to surround at least a portion of the first semiconductor chip, the second semiconductor chip, and the internal electrode.
Abstract: A method for learning a touch point of a transmission is disclosed. The method may include: moving a sleeve of a synchronizing device in a shift stage gear direction and calculating a predicted rotation speed based on an initial rotation speed and a rotation speed change rate of a transmission clutch; positioning a first point when a difference between an actual rotation speed and the predicted rotation speed occurs and positioning a second point when a difference value between the actual rotation speed and the predicted rotation speed reaches a set speed; calculating a determination time by subtracting a second time to move the sleeve from the first point to the second point from a first time to move the sleeve from the first point to a pre-stored touch point; and performing a correction and control on the touch point based on the determination time.
November 30, 2017
Date of Patent:
June 11, 2019
HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, HYUNDAI AUTRON CO., LTD.
Young Min Yoon, Joon Bae Kim, Seong Jin Park
Abstract: The present invention relates to an electronic control device. The present invention provides an electronic control device including: a housing which includes sidewalls that are disposed in a polygonal shape, and a bottom plate that closes one side of the sidewalls; and a PCB-connector assembly which includes multiple PCB-connector modules each including a printed circuit board and a connector connected to one side of the printed circuit board, in which the adjacent PCB-connector modules are connected through a flexible connecting portion, in which the PCB-connector assembly is coupled to the housing in a state in which the multiple PCB-connector modules are folded at the flexible connecting portions.
Abstract: Provided is an error detection system including: an input unit for setting a system operation request time based on an external input; a plurality of processors for performing a predetermined operation; and an error detection processor for detecting an error of each of the plurality of processors. The error detection processor transmits an error detection signal to a predetermined first processor of the plurality of processors, receives an updated error detection signal from a predetermined second processor among the plurality of processors, and determines whether the operation processing time of the plurality of processors is processed within the operation request time based on the updated error detection signal.