BRAKE CONTROL APPARATUS

WIPO Patent Application WO/2010/044379

A1

Disclosed is a brake control apparatus which includes a brake booster for augmenting deceleration, and which addresses the problem in conventional brake control apparatuses that deceleration and pedal reaction force depend on driver brake pedal input, and thus the pedal response and the ride comfort from the feeling of deceleration are affected by the manner in which the brake pedal is actuated by the driver. The brake control apparatus comprises a pedal reaction force generation unit for generating a pedal reaction force on the brake pedal, and a brake control unit for controlling the brake force in such a way as to suppress driver brake input fluctuations, wherein the pedal reaction force generation unit suppresses pedal reaction force fluctuations in accordance with specific deceleration and pedal reaction force characteristics. The brake control apparatus further comprises a calculation unit for calculating a target deceleration on the basis of lateral acceleration information in the left-to-right direction of the vehicle, wherein the brake control unit suppresses the brake force in such a way that the target deceleration is produced and, when the amount by which the brake pedal is depressed reaches a specific amount in respect of the target deceleration, the pedal reaction force generated by the pedal reaction force generation unit may be increased.

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MIYAJIMA Ayumu (HITACHI LTD., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
宮嶋　歩 (〒34 茨城県ひたちなか市堀口８３２番地２　株式会社日立製作所　機械研究所内 Ibaraki, 〒3120034, JP)
ARAI Masatsugu (HITACHI LTD., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
荒井　雅嗣 (〒34 茨城県ひたちなか市堀口８３２番地２　株式会社日立製作所　機械研究所内 Ibaraki, 〒3120034, JP)
INNAMI Toshiyuki (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
印南　敏之 (〒03 茨城県ひたちなか市高場２５２０番地　日立オートモティブシステムズ株式会社内 Ibaraki, 〒3128503, JP)
NISHINO Kimio (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)

JP2009/067645

April 22, 2010

October 09, 2009

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Hitachi Automotive Systems, Ltd. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
日立オートモティブシステムズ株式会社 (〒03 茨城県ひたちなか市高場２５２０番地 Ibaraki, 〒3128503, JP)
MIYAJIMA Ayumu (HITACHI LTD., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
宮嶋　歩 (〒34 茨城県ひたちなか市堀口８３２番地２　株式会社日立製作所　機械研究所内 Ibaraki, 〒3120034, JP)
ARAI Masatsugu (HITACHI LTD., 832-2, Horiguchi, Hitachinaka-sh, Ibaraki 34, 〒3120034, JP)
荒井　雅嗣 (〒34 茨城県ひたちなか市堀口８３２番地２　株式会社日立製作所　機械研究所内 Ibaraki, 〒3120034, JP)
INNAMI Toshiyuki (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
印南　敏之 (〒03 茨城県ひたちなか市高場２５２０番地　日立オートモティブシステムズ株式会社内 Ibaraki, 〒3128503, JP)

B60T8/17; B60T7/06; B60T13/74

ASAMURA PATENT OFFICE, p.c. (Room 331, New Ohtemachi Bldg. 2-1, Ohtemachi 2-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)

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