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Active steering nibble control algorithm for electric steering systems
专利权人:
Darrel Recker
发明人:
Darrel Recker,Joseph Mikhael Raad
申请号:
US12188485
公开号:
US08219283B2
申请日:
2008.08.08
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A system and method for actively cancelling steering nibble and/or brake judder in an electric power steering system using a controller and an electric motor by converting a selected wheel speed to a frequency, selecting a nibble order, determine nibble enable frequencies for cancellation, selecting a damping factor based on changes in vehicle velocity, calculating filter coefficients based on the selected damping factor, the selected nibble order and the wheel frequency, applying a gain scheduler to a steering column torque signal for the nibble enable frequencies, applying a tuned resonator filter to an output of the gain scheduler and using the filter coefficients to produce a nibble signal, calculating an active nibble cancelling torque signal from the nibble signal and applying the active nibble cancelling torque signal to the electric motor to cancel steering wheel nibble vibration.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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