Boots – shoes – and leggings
Patent
1995-09-21
1997-12-16
Park, Collin W.
Boots, shoes, and leggings
180 791, 180142, B62D 504
Patent
active
056992491
ABSTRACT:
An electric power steering apparatus provides a steering assist of an electric motor directly to a vehicle steering system so as to reduce necessary steering power to be applied by a driver, and it is provided with a control unit including a phase compensation section implemented by software. The gain and phase of a steering torque signal from a steering torque sensor can be accurately set which correspond to the running and steering states of the vehicle, on the basis of a vehicle velocity signal from a vehicle velocity sensor. Thus, the gain in a high vehicle velocity condition and in such a frequency range outside the steering region can be controlled to substantially decrease so as to avoid parasitic oscillation and hence prevent the occurrence of magnetostrictive sound and hunting due to the parasitic oscillation. Accordingly, optimum steering feel can be achieved which corresponds to the states of the vehicle.
REFERENCES:
patent: 5239490 (1993-08-01), Masaki et al.
patent: 5259473 (1993-11-01), Nishimoto
patent: 5483446 (1996-01-01), Momose et al.
patent: 5566072 (1996-10-01), Momose et al.
patent: 5600559 (1997-02-01), Nishimoto et al.
Hironaka Shinji
Mukai Yoshinobu
Noro Yoshiki
Honda Giken Kogyo Kabushiki Kaisha
Park Collin W.
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