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| | On the basis of discussing the wheel speed sensors of ABS and its signal characters,this article -analyses and compares the advantage and disadvantage of three methods of processing thewheel 'speed signal and their crrors. It's also pointed out that wheel speed infOmption carried in signais will be mosUy resend when raising the teSting frequency and .recording the pu1se delay. | | 在叙述ABS轮速传感器及其信号特点的基础上.分析对比了三种轮速信号处理方法的误差及优缺点,并且指出.提高信号的检测频率并记录脉冲延迟.能最大程度地保留轮速传感器信号所提供的轮速信息. | | 文摘来源 | | The processing of the signal from wheel rotation speed sensor in anti-lock brake system has been studied in this paper. Based on the experiments for the property of varibale magneto-resistance excited rotation speed sensor, the requirement for the circuit used to process the wheel rotation speed sensor signal has been put forward and circuit consisting of two stage lagging comparator plus low-pass filter has been designed to achieve that function. The corresponding simulations and experiments show that the ... | | 本文研究了汽车防抱死制动系统轮速传感器信号的处理问题。在对变磁阻激励式轮速传感器的工作特性进行试验研究的基础上,提出了对轮速传感器信号处理电路的要求,设计出了由两级迟滞比较器+低通滤波构成的信号处理电路。对电路进行了仿真和试验研究。研究结果显示,这种轮速信号处理电路工作可靠、抗干扰能力强。在较低车速下(<3km/h)仍能准确地测量车速。 | | 文摘来源 | | The cause and property of the common false wheel signal in anti-lock brake system has been studied in this paper. Based on the method of time series analysis, a kind of preconditioning algorithm of singular point rejecting has been devised in order to separate the false wheel speed signal. The corresponding processing on the experiment data shows that the preconditioning algorithm has the advantage of strong real-time property and can separate the false signal completely. | | 分析ABS轮速信号处理中常见的虚假信号的产生原因和特点 ,运用时间序列分析的方法构造分离虚假信号的异点剔除预处理算法。对ABS实验数据的处理结果表明 ,该算法具有实时性好、虚假信号分离彻底的优点。 | | 文摘来源 | |   | | << 更多相关文摘 |
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