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1. 发明授权

US5705744A Vehicle brake system checking method 失效
标题翻译：车辆制动系统检查方法
公开(公告)号：US5705744A
公开(公告)日：1998-01-06
申请号：US595469
申请日：1996-02-05
申请人： Franz Brugger , Bernd Knoff , Albrecht Eckl , Hans-Georg Riedel , Ulrich Stoll
发明人： Franz Brugger , Bernd Knoff , Albrecht Eckl , Hans-Georg Riedel , Ulrich Stoll
IPC分类号： B60T17/22 , G01L5/28 , G01M17/007
CPC分类号： G01L5/282 , B60T17/221 , G01L5/28
摘要： A method checks a vehicle brake system rapidly and reproducibly to measure the correlation between the brake pedal travel and the retardation produced. A test-bed routine is called up in the control unit. During the operation of the test-bed routine, the functioning of the brake system is checked. For this purpose, a pressure difference is produced in the vacuum brake booster. The brake booster pressure difference produces a brake pressure in the brake master cylinder, and a pedal travel corresponding to this brake pressure simultaneously arises. The retardation can either be measured at the rollers of the test bed or is derived from continuously measured wheel speed values. A retardation value can be determined for each wheel as can a correlation between the pedal travel and the retardation from the measured values in the presence of different brake booster pressure difference. The process can average the values measured at the individual wheels.
摘要翻译：一种方法可快速，可重复地检查车辆制动系统，以测量制动踏板行程与产生的延迟之间的相关性。在控制单元中调用了测试台程序。在试验台程序的运行过程中，检查制动系统的功能。为此，在真空制动助力器中产生压力差。制动助力器压力差在制动主缸中产生制动压力，同时产生对应于该制动压力的踏板行程。延迟可以在测试台的辊子上测量，也可以来自连续测量的车轮速度值。可以在存在不同的制动助力器压力差的情况下，从踏板行程和延迟之间的相关性可以确定每个车轮的延迟值与来自测量值的相关性。该过程可以平均在各个车轮测量的值。

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