[특허]Vehicle control device and control method of vehicle control device

Toyota Jidosha Kabushiki Kaisha

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Vehicle control device and control method of vehicle control device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60L-009/00
미국특허분류(USC)	701/022;
출원번호	US-0449453 (2008-07-25)
등록번호	US-8655523 (2014-02-18)
우선권정보	JP-2007-279929 (2007-10-29)
국제출원번호	PCT/JP2008/063377 (2008-07-25)
§371/§102 date	20090807 (20090807)
국제공개번호	WO2009/057363 (2009-05-07)
발명자 / 주소	Fukushiro, Eiji Yamamoto, Koji Hashimoto, Toshiya
출원인 / 주소	Toyota Jidosha Kabushiki Kaisha
대리인 / 주소	Oliff PLC
인용정보	피인용 횟수 : 1 인용 특허 : 11

초록
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A vehicle control device (10) comprises a driving device (20) including an engine (22) and a rotary electric machine (24), a power circuit (30) connected to the rotary electric machine (24), a control part (50), and an ecoswitch (42). The CPU (52) of the control part (50) comprises a low fuel consumption travel instruction judgment module (60) for judging on or off of the ecoswitch (42), an operation condition switch module (62) for switching the operation condition of the rotary electric machine on the basis of the on or off of the ecoswitch (42), an en...

대표
청구항
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1. A vehicle control device comprising: a drive element having a rotating electric device and a power supply device which is connected to the rotating electric device and which includes a step-up converter that enables boosting a voltage of a battery device side and supplying the boosted voltage to a rotating electric device side;an obtaining element to obtain a fuel-efficient running command from a user;a memory device that stores a normal operation condition map of the rotating electric device for allowing the step-up converter in the power supply device to operate normally within a voltage range between the voltage of the battery device side and a normal upper limit voltage of the step-up converter and a restricted operation condition map of the rotating electric device for allowing the step-up converter to operate in a restricted manner within a voltage range between the voltage of the battery device side and a restriction upper limit voltage which is set below the normal upper limit voltage; anda control element that controls the drive element,wherein the control element includes:a fuel-efficient running command determination part to determine whether the fuel-efficient running command has been obtained; anda switching part to switch an operation condition of the rotating electric device between operation according to the restricted operation condition map when the fuel-efficient running command has been obtained and the operation according to the normal operation condition map when the fuel-efficient running command has not been obtained. 2. The vehicle control device according to claim 1, wherein: the memory device stores as the normal operation condition map an operation condition map having a wider range of sine wave control than that of the restricted operation condition map, and as the restricted operation condition map, an operation condition map having a wider range of rectangular wave control than that of the normal operation condition map. 3. The vehicle control device according to claim 2, wherein the control element includes: an engine start determination part to determine whether an engine start request has been issued while the fuel-efficient running command has been obtained; anda start-time damping control part to, when the engine start request has been issued, perform damping control under the sine wave control as the operation condition of the rotating electric device according to the normal operation condition map by temporarily boosting an actual boost voltage of the step-up converter within a range up to a restriction upper limit value. 4. The vehicle control device according to claim 3, wherein: the start-time damping control part determines, when the engine start request has been issued, whether an operation state of the rotating electric device is within the range of the rectangular wave control or within the range of the sine wave control, and when the operation state is within the range of the rectangular wave control, performs the damping control under the sine wave control as the operation condition of the rotating electric device according to the normal operation condition map by temporarily boosting the actual boost voltage of the step-up converter within the range up to the restriction upper limit value, and performs the damping control directly when the operation state is within the range of the sine wave control range. 5. The vehicle control device according to claim 3, wherein: the control element includes a delay permission determination part to determine whether an engine start is to be delayed when the engine start request is issued while the fuel-efficient running command has been obtained; andthe start-time damping control part switches the operation condition of the rotating electric device using a predetermined delay condition that has been set in response to accelerator opening for an engine start when a delay is permitted by the delay permission determination part. 6. The vehicle control device according to claim 2, wherein the control element includes: an engine stop determination part to determine whether an engine stop request has been issued while the fuel-efficient running command has been obtained; anda stop-time damping control part to, when the engine stop request has been issued, perform the damping control under the sine wave control as the operation condition of the rotating electric device according to the normal operation condition map by temporarily boosting an actual boost voltage of the step-up converter within a range up to a restriction upper limit value. 7. The vehicle control device according to claim 6 wherein: the stop-time damping control part determines, when the engine stop request has been issued, whether an operation state of the rotating electric device is within the range of the rectangular wave control or within the range of the sine wave control, and when the operation state is within the range of the rectangular wave control, performs the damping control under the sine wave control as the operation condition of the rotating electric device according to the normal operation condition map by temporarily boosting the actual boost voltage of the step-up converter within the range up to the restriction upper limit value, and performs the damping control directly when the operation state is within the range of the sine wave control. 8. The vehicle control device according to claim 6, wherein: the stop-time damping control part switches the operation condition of the rotating electric device after an engine stop is delayed under a predetermined condition. 9. A vehicle drive control method performed by a control device that controls a drive element having a power supply device which is connected to a rotating electric device and which includes a set-up converter that enables a boosting voltage of a battery device side and supplying the boosted voltage to a rotating electric device side, the method comprising: determining whether a fuel-efficient running command from a user has been obtained; andreferring to a memory device that stores a normal operation condition map of the rotating electric device for allowing the step-up converter in the power supply device to operate normally within a voltage range between the voltage of the battery device side and a normal upper limit voltage of the step-up converter and a restricted operation condition map of the rotating electric device for allowing the step-up converter to operate in a restricted manner within a voltage range between the voltage of the battery device side and a restriction upper limit voltage which is set below the normal upper limit voltage, and switching an operation condition of the rotating electric device between operation according to the restricted operation condition map when the fuel-efficient running command has been obtained and the operation according to the normal operation condition map when the fuel-efficient running command has not been obtained.

이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 피인용횟수: 1

Mansour, Mohamad; Okubo, Shunsuke; Okubo, Carol Louise; Bryan, Paul Stephen; Frederick, Kenneth; Cadwell, Floyd. Method for increasing electric operation in hybrid electric vehicles. USP2018049932914.

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Vehicle control device and control method of vehicle control device

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Vehicle control device and control method of vehicle control device

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