Title:
CONTROL DEVICE FOR POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/181224
Kind Code:
A1
Abstract:
This control device for a power steering device has a low-pass filter unit provided with a cutoff frequency adjustment unit, which is capable of: adjusting a cutoff frequency for attenuating some components of an input signal; setting the cutoff frequency to a first cutoff frequency when the steering torque signal is lower than a first predetermined torque value; and setting the cutoff frequency to a second cutoff frequency lower than the first cutoff frequency when the steering torque signal is equal to or higher than the first predetermined torque value.
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Inventors:
NAKAKUKI YASUHITO (JP)
YAMANO KAZUYA (JP)
ISHIKAWA ATSUSHI (JP)
YAMANO KAZUYA (JP)
ISHIKAWA ATSUSHI (JP)
Application Number:
PCT/JP2019/003347
Publication Date:
September 26, 2019
Filing Date:
January 31, 2019
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
B62D6/00; B62D5/04; H02P4/00; B62D101/00; B62D113/00; B62D119/00; B62D137/00
Domestic Patent References:
| WO2011052470A1 | 2011-05-05 |
Foreign References:
| JP2009132344A | 2009-06-18 | |||
| JP2004066999A | 2004-03-04 | |||
| JP2838053B2 | 1998-12-16 | |||
| JP2001106048A | 2001-04-17 | |||
| JP2011235760A | 2011-11-24 | |||
| JP2002211429A | 2002-07-31 | |||
| JP2011245918A | 2011-12-08 |
Attorney, Agent or Firm:
ONO, Shinjiro et al. (JP)
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