Patents Assigned to HYUNDAI AUTRON CO., LTD.
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Publication number: 20210167717Abstract: A motor drive system with a correction function of a temperature deviation of an IGBT module is provided. The system may include: a gate board configured to detect a plurality of sensing temperature information by sensing the IGBT module, acquire a difference value between maximum temperature information among the plurality of sensing temperature information and at least one sensing temperature information, and correct and output the at least one sensing temperature information by using the acquired difference value.Type: ApplicationFiled: November 30, 2020Publication date: June 3, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Hyung Min PARK, Dong On JANG, Na Yeon KIM
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Patent number: 11021104Abstract: A method of operating an Around View Monitoring (AVM) system according to the present invention includes: obtaining image data from image sensors disposed at different locations of a vehicle; performing image processing on the image data for improving an image; performing lens distortion correction on the processed image data; detecting an overlapping region from the corrected image data; selecting an image display method so as to prevent the detected overlapping region from overlapping when the image is synthesized, and synthesizing the image data according to the selected image display method; and outputting the synthesized image data.Type: GrantFiled: June 4, 2019Date of Patent: June 1, 2021Assignee: HYUNDAI AUTRON CO., LTD.Inventor: Kee Beom Kim
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Publication number: 20210159524Abstract: An apparatus for sensing voltage information of a fuel cell includes: a sensing unit configured to sense voltages of each cell and all cells included in a fuel cell; a controller configured to control the sensing unit to sense the voltages of each cell and all the cells of the fuel cell according to a command of an upper controller, or to transmit information of the sensed voltages of each cell and all the cells to the upper controller; and the upper controller configured to detect an error cell by calculating output power of the fuel cell based on the information of the voltages received from the controller, to substantially prevent damage to a surrounding cell by stopping an operation of the error cell, and to control the output power in real time in correspondence with a state of the fuel cell.Type: ApplicationFiled: November 19, 2020Publication date: May 27, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventors: Yeong-Geun YEO, Jung-Hwan OH, Su-Hun YANG, Seulkirom KIM
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Publication number: 20210156998Abstract: A LiDAR sensor having a parameter optimization function may include: a laser diode configured to emit a laser light signal; a photo diode configured to receive a maximum laser light reflection signal reflected from a target object at a scannable maximum distance in the laser light signal; and a parameter setting unit configured to set a parameter related to an output intensity of the laser light signal or a reception intensity of the laser light signal based on the maximum laser light reflection signal.Type: ApplicationFiled: November 4, 2020Publication date: May 27, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Young Kyun KIM
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Publication number: 20210157578Abstract: Disclosed is a method of updating a control unit for a vehicle, the method including: generating raw difference data by comparing an old version of data with a new version of data; generating divided difference data by dividing the raw difference data for each memory sector; and updating the old version to the new version by using the divided difference data.Type: ApplicationFiled: November 23, 2020Publication date: May 27, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Deok Joo LEE
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Publication number: 20210143456Abstract: A system for sensing a fuel cell of a vehicle may include: an analog digital converter (ADC) configured to receive a voltage of a fuel cell stack; a calculation unit configured to calculate a total number of cells of the fuel cell stack; and a control unit configured to acquire a voltage per a unit cell of the fuel cell stack based on output values of the ADC and the calculation unit.Type: ApplicationFiled: November 5, 2020Publication date: May 13, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Su Hun YANG
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Publication number: 20210141026Abstract: A battery management system for integrated management of high and low voltage batteries may include: a control unit; a low voltage monitoring unit connected to the control unit, and configured to transmit a monitoring result for a low voltage battery to the control unit; and a high voltage monitoring unit including a plurality of sensing ICs connected to each other in a daisy chain manner, wherein at least one sensing IC of the plurality of sensing ICs is connected to the low voltage monitoring unit, and transmits a monitoring result for a high voltage battery to the control unit through the low voltage monitoring unit.Type: ApplicationFiled: November 3, 2020Publication date: May 13, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Seulkirom KIM
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Publication number: 20210135560Abstract: Disclosed is an auxiliary apparatus for controlling a current mode of a DC-DC converter. The auxiliary apparatus includes a current mirror coupled to a source voltage and configured to duplicate and supply a reference current supplied from a constant current source, an amplification unit configured to perform negative feedback on a loop control voltage, generated from a DC-DC converter current mode driving unit, and a reference voltage, generated based on the reference current supplied from the current mirror, and a control voltage clamping unit configured to limit a reduction in the loop control voltage based on a gate control voltage output based on a result of the comparison and amplification of the amplification unit.Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Applicant: Hyundai Autron Co., Ltd.Inventors: Keon LEE, Na-Yeon KIM, Doo-Jin JANG
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Publication number: 20210132155Abstract: A Battery Management System (BMS) semiconductor device having a leakage current detection function, may include: a comparator configured to compare a voltage of a balancing terminal connected to a positive voltage terminal of a battery cell and a voltage of a lower sensing terminal connected to a negative voltage terminal of the battery cell and output a result of the comparing; an ADC connected to the upper sensing terminal and the lower sensing terminal and configured to sense a voltage difference between the upper sensing terminal connected to the positive voltage terminal of the battery cell and the lower sensing terminal; and a leakage current determining unit connected to the ADC and the comparator and configured to set a variable threshold value according to the difference value sensed by the ADC and determine whether a leakage current is generated by using the result of the comparing in the comparator and the variable threshold value.Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Seulkirom KIM
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Publication number: 20210132200Abstract: A method of correcting an error of a scanning LiDAR, may include: an initial value setting operation of designating an initial emission time point among a plurality of laser light emission time points of the scanning LiDAR; a designated value increasing operation of designating a laser light emission time point after the initial emission time point among the plurality of laser light emission time points; an error determining operation of determining whether an error is generated in the measurement time interval by applying the designated laser light emission time point to a pre-prepared error algorithm; and an error correcting operation of correcting the error of the measurement time interval by use of a pre-prepared correcting algorithm when it is determined that the error is generated in the measurement time interval.Type: ApplicationFiled: October 29, 2020Publication date: May 6, 2021Applicant: Hyundai Autron Co., Ltd.Inventor: Jung Yong KIM
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Patent number: 10994718Abstract: A multi-master system includes a first master, a second master, and an integrated control circuit controlled by each of the first and second masters. The integrated control circuit includes a first dedicated block configured to provide a first function to the first master, a second dedicated block configured to provide a second function to the second master, and a global using block configured to provide a common function to each of the first and second masters.Type: GrantFiled: June 27, 2018Date of Patent: May 4, 2021Assignee: HYUNDAI AUTRON CO., LTD.Inventors: Hyung Min Park, Ji Haeng Lee, Dong On Jang, Won Hee Jo
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Patent number: 10975965Abstract: The present invention relates to a position learning system for an electric shift-by-wire system, which senses changes in the load of a motor according to operations of a four-stage detent plate and a detent spring to learn positions of shift stages of the electric shift-by-wire system, the position learning system including: a sensor for sensing the current generated from the motor; and a controller for receiving current data until a shift stage P is switched to a shift stage D or the shift stage D is switched to the shift stage P from the sensor, learning positions of shift stages R and N through the received current data, and performing offset operations on the basis of the learned positions of the shift stages R and N to learn positions of the shift stages P and D.Type: GrantFiled: October 24, 2019Date of Patent: April 13, 2021Assignee: HYUNDAI AUTRON CO., LTD.Inventor: Hyoung Sang Cho
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Publication number: 20210096226Abstract: A LIDAR system may include: a light generator configured to irradiate a laser to an object disposed in a blind section of the LIDAR system; a light receiver configured to sensing light reflected from the object; a receiver configured to receive a signal converted into an electric signal in the light receiver; a comparator configured to determine whether the signal is a voltage value which is equal to or greater than a predetermined reference; and a controller configured to control a pulse width of the laser irradiated to the object according to the determination.Type: ApplicationFiled: September 25, 2020Publication date: April 1, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Seung Wuk BAEK
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Publication number: 20210039641Abstract: A method and device for vehicle speed control when towing a heavy load trailer are disclosed. The method includes determining whether a vehicle is in a trailer towing mode; determining whether the vehicle is in a slope-climbing situation or not using a G sensor based road gradient value when the vehicle is determined to be in the trailer towing mode; calculating a difference between the G sensor based road gradient value and a torque-based road gradient value, and determining whether a towed trailer is a heavy load trailer on the basis of the calculated difference, when it is determined the vehicle is in the slope-climbing situation; and performing shift control using a heavy load trailer dedicated shift map when the towed trailer is determined to be a heavy load trailer.Type: ApplicationFiled: October 22, 2020Publication date: February 11, 2021Applicant: Hyundai Autron Co., Ltd.Inventor: Hyeong Tak LEE
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Patent number: 10917104Abstract: An analog to digital converter (ADC) sampling time control method includes: grouping, by an electronic control unit, analog sensor signals received from a plurality of sensors based on a similar signal; setting, by the electronic control unit, a sampling time for converting the grouped analog sensor signals into digital signals; and obtaining, by the electronic control unit, a sensor value by converting the grouped analog sensor signals into the digital signals based on the set sampling time.Type: GrantFiled: November 14, 2019Date of Patent: February 9, 2021Assignee: HYUNDAI AUTRON CO., LTD.Inventor: Tae Gyu Kang
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Publication number: 20210033636Abstract: A method and apparatus for generating a drive signal for driving a resolver sensor are provided. The method and apparatus implement a drive signal to be input to a resolver sensor. The method and apparatus perform counting in association with an incoming square wave signal and implement a drive signal after confirming that a specific point corresponding to a preset condition of the incoming square wave signal arrives.Type: ApplicationFiled: June 25, 2020Publication date: February 4, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Sung-Hoon BANG
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Publication number: 20210025988Abstract: A light detection and ranging (LIDAR) system includes a transmitter configured to output a number of output pulses to a target object; a receiver configured to receive a plurality of input pulses corresponding to the number of output pulses; and a signal processor including a signal converter configured to convert the plurality of input pulses into discrete signals and an encoder configured to encode amplitude information of the plurality of input pulses converted into the discrete signals.Type: ApplicationFiled: July 8, 2020Publication date: January 28, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Jae Won CHOI
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Patent number: 10903199Abstract: The present invention relates to a method for designing a die-based vehicle controller-only semiconductor and a vehicle controller-only semiconductor manufactured by the same, and breaks the conventional semiconductor process to design and manufacture a novel conceptual vehicle controller-only semiconductor, EIP (ECU in Package), through a fusion of a new semiconductor process technique with a controller system technique, thereby obtaining an effect of capable of implementing a high performance/high quality semiconductor in micro-miniature size/ultra-light weight in a short time period.Type: GrantFiled: December 22, 2016Date of Patent: January 26, 2021Assignee: Hyundai Autron Co., Ltd.Inventors: Jae-Ho Chang, Eun-Jung Kim, Jae-Woo Joung
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Patent number: 10891180Abstract: 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.Type: GrantFiled: November 13, 2018Date of Patent: January 12, 2021Assignee: HYUNDAI AUTRON CO., LTD.Inventors: Kee Beom Kim, Young Suk Kim
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Publication number: 20210003424Abstract: A method and apparatus for obtaining a valid peak from an output signal of a resolver sensor are provided. The method includes inputting an excitation signal to a resolver sensor, receiving a resolver signal from the resolver sensor, receiving a high peak and a low peak from the received resolver signal, determining whether the high peak or the low peak falls within an effective range, and defining the high peak or the low peak as a valid peak when the high peak or the low peak falls within the effective range.Type: ApplicationFiled: June 26, 2020Publication date: January 7, 2021Applicant: HYUNDAI AUTRON CO., LTD.Inventor: Sung-Hoon BANG