针对目前汽车手动驻车制动装置存在的不足，提出电子驻车制动系统软硬件设计方案。

Aiming at the shortages of the traditional parking brake system, put forward a new hardware and software design of electronic parking brake system.

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原JN162型载货汽车的制动系，装有双回路行车制动装置、弹簧储能断气式驻车制动装置和发动机排气制动装置。

Brake system of the existing JN162 truck, consists of dual-line foot brake, spring actuated and air cut-off parking brake and engine exhaust brake.

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汽车储能弹簧制动气室做为驻车制动系统的动力装置，提高了驻车制动效能，简化了驻车制动系统结构。

The spring brake air chamber of motor vehicle, acting as the power installation of brake actuating system, improves the efficacy and simplifies the construction of parking brake system.

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