驻车制动性能(parking brake holding power)在坡道上的汽车，在自身重力的作用下，将自动向下滑行。为了使汽车能在坡道上停放，汽车必须具有驻车制动的功能。
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另外，提出了极限坡度利用率的概念，作为对驻车制动性能分析指标的补充。
In addition, a concept named utilization rate of grade limit is proposed as a supplement to the analysis indicators of parking braking performance.
实例分析结果表明，该方法简单、实用，能对多轴汽车驻车制动性能进行有效分析。
The results of real sample analysis show that the method proposed is simple, pragmatic and can effectively analyze the parking braking performance of multi-axle vehicles.
探讨了在台架上进行驻车制动器总成的模拟试验方法和评定技术，提出了改善驻车制动性能的途径。
The simulation test method and assessment technique of parking brake assemblies on the bench are discussed in this paper, the approach for improving the performance of parking brake is also proposed.
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