CA2497729A1 - Power steering apparatus - Google Patents

Power steering apparatus Download PDF

Info

Publication number
CA2497729A1
CA2497729A1 CA002497729A CA2497729A CA2497729A1 CA 2497729 A1 CA2497729 A1 CA 2497729A1 CA 002497729 A CA002497729 A CA 002497729A CA 2497729 A CA2497729 A CA 2497729A CA 2497729 A1 CA2497729 A1 CA 2497729A1
Authority
CA
Canada
Prior art keywords
motor
increases
value
steering
power steering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002497729A
Other languages
French (fr)
Other versions
CA2497729C (en
Inventor
Hiroaki Kaji
Masahiko Sakamaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JTEKT Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority claimed from PCT/JP1997/002830 external-priority patent/WO1999008921A1/en
Publication of CA2497729A1 publication Critical patent/CA2497729A1/en
Application granted granted Critical
Publication of CA2497729C publication Critical patent/CA2497729C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/065—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by specially adapted means for varying pressurised fluid supply based on need, e.g. on-demand, variable assist

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)

Abstract

A motor is stopped when a steering angular speed is not greater than a stop threshold VS and a motor electric current value Im is kept within a motor stop range .DELTA.I for a predetermined time period. The value of a steering torque increases as the motor electric current value Im increases.
Therefore, the motor can assuredly be stopped when the steering torque is small. Further, when the motor is off, the sensitivity for motor actuation with respect to a change in the steering angle is set higher as the value of the steering angle increases.
CA002497729A 1997-08-13 1997-08-13 Power steering apparatus Expired - Fee Related CA2497729C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP1997/002830 WO1999008921A1 (en) 1997-08-13 1997-08-13 Power steering system
CA002268856A CA2268856C (en) 1997-08-13 1997-08-13 Power steering apparatus

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002268856A Division CA2268856C (en) 1997-08-13 1997-08-13 Power steering apparatus

Publications (2)

Publication Number Publication Date
CA2497729A1 true CA2497729A1 (en) 1999-02-25
CA2497729C CA2497729C (en) 2008-07-08

Family

ID=39615806

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002497729A Expired - Fee Related CA2497729C (en) 1997-08-13 1997-08-13 Power steering apparatus

Country Status (1)

Country Link
CA (1) CA2497729C (en)

Also Published As

Publication number Publication date
CA2497729C (en) 2008-07-08

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Legal Events

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MKLA Lapsed