[특허]Apparatus and method of compensating for motor velocity of fuel cell vehicle

[미국특허] Apparatus and method of compensating for motor velocity of fuel cell vehicle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60L-011/18 B60L-003/00 B60L-003/10 B60L-011/14 B60L-015/20
출원번호	US-0090552 (2013-11-26)
등록번호	US-9233610 (2016-01-12)
우선권정보	KR-10-2012-0146808 (2012-12-14)
발명자 / 주소	Kim, Kichang Youn, Kil Young
출원인 / 주소	Hyundai Motor Company
대리인 / 주소	Mintz Levin Cohn Ferris Glovsky and Popeo, P.C.
인용정보	피인용 횟수 : 37 인용 특허 : 1

초록 ▼

A method and apparatus that compensates for a velocity of a motor of fuel cell vehicle when a resolver is determined to have failed is provided. In particular, a wheel velocity sensor is configured to detect a wheel velocity of a driving wheel, and an ABS controller is configured to calculate an average wheel velocity and transmit the calculated average to a fuel cell controller (FCU). The FCU is configured to receive information related to the wheel velocity upon detecting that the resolver has failed, and control driving of the motor based on the data related to the wheel velocity so that the motor may maintain operation.

대표청구항 ▼

1. A system that compensates for a velocity of a motor of fuel cell vehicle during failure of a resolver, comprising: A resolver configured to detect the velocity of the motor during normal operation;A wheel velocity sensor configured to detect a wheel velocity of a driving wheel attached to the fuel cell vehicle;An ABS controller configured to calculate an average wheel velocity and transmit the calculated average wheel velocity; andA fuel cell controller configured to detect a failure of the resolver, receive data relating to the wheel velocity when failure of the resolver has been detected, and control driving of the motor by calculating the velocity of the motor based on the data related to the wheel velocity;Wherein the ABS controller is configured to transmit the data related to the wheel velocity via a CAN communication every 10 ms;Wherein the ABS controller is configured to transmit an average wheel velocity value received from a plurality of wheel velocity sensors at each of four wheels of the vehicle;Wherein the fuel cell controller is configured to calculate the velocity of the motor by applying the average wheel velocity and a final reduction gear ratio provided from the wheel velocity sensor when the failure of the resolver is detected. 2. The apparatus of claim 1, wherein: the ABS controller transmits the data regarding the wheel velocity via the CAN communication, and the fuel cell controller receives the data related to the wheel velocity through the controller area network (CAN) communication. 3. The apparatus of claim 1, wherein: the fuel cell controller switches to an emergency operation mode once the failure of the resolver is detected in order to drive the motor of the fuel cell vehicle. 4. The apparatus of claim 3, wherein: the fuel cell controller turns on an emergency indicator when the fuel cell controller is switched to the emergency operation mode. 5. A method of compensating for velocity of a motor of a fuel cell vehicle, comprising: Monitoring, by a fuel cell controller, a resolver that detects a velocity of a motor during normal operation;Switching, by the fuel cell controller, to an emergency operation mode when the resolver is determined to have failed;Receiving, at the fuel cell controller, data relating to a wheel velocity data associated with one or more wheels of the fuel cell vehicle from an ABS controller;Calculating, by the fuel cell controller, the velocity of the motor from the wheel velocity data;Wherein the data related to the wheel velocity is received from the ABS controller via a CAN communication every 10 ms;Wherein the fuel cell controller receives an average wheel velocity value from a plurality of wheel velocity sensors at each of four wheels of the vehicle;Wherein, the calculating of the velocity of the motor includes calculating the velocity of the motor by applying an average wheel velocity value and a final reduction gear ratio provided from the wheel velocity sensor to the motor calculation. 6. The method of claim 5, wherein: the receiving of the information on the wheel velocity from the ABS controller includes receiving data related to the wheel velocity via the controller area network communication. 7. A non-transitory computer readable medium containing program instructions executed by a controller, the computer readable medium comprising: Program instructions that monitor a resolver that detects a velocity of a motor during normal operation;Program instructions that switch a fuel cell controller to an emergency operation mode when the resolver is determined to have failed; andProgram instructions that calculate the velocity of the motor from wheel velocity data relating to a wheel velocity associated with one or more wheels of the fuel cell vehicle that is received from an ABS controller via a CAN communication;Wherein, the calculating of the velocity of the motor includes calculating the velocity of the motor by applying an average wheel velocity value and a final reduction gear ratio provided from the wheel velocity sensor to the motor calculation. 8. The non-transitory computer readable medium of claim 7, further comprises program instructions that turn on an emergency indicator when the fuel cell controller is switched to the emergency operation mode.

이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

Hirata, Takeshi; Yamanaka, Tsuyoshi, Vehicle drive control apparatus and method.
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연합인증

[미국특허] Apparatus and method of compensating for motor velocity of fuel cell vehicle 원문보기

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이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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[미국특허] Apparatus and method of compensating for motor velocity of fuel cell vehicle 원문보기

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이 특허에 인용된 특허 (1) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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