FR2426932A1 - Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system - Google Patents

Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system

Info

Publication number
FR2426932A1
FR2426932A1 FR7815021A FR7815021A FR2426932A1 FR 2426932 A1 FR2426932 A1 FR 2426932A1 FR 7815021 A FR7815021 A FR 7815021A FR 7815021 A FR7815021 A FR 7815021A FR 2426932 A1 FR2426932 A1 FR 2426932A1
Authority
FR
France
Prior art keywords
propelled vehicle
reversible motor
auto
bridge switching
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
FR7815021A
Other languages
French (fr)
Other versions
FR2426932B1 (en
Inventor
Pierre Bougras
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.)
Francaise Convoyeurs SA
Original Assignee
Francaise Convoyeurs SA
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 Francaise Convoyeurs SA filed Critical Francaise Convoyeurs SA
Priority to FR7815021A priority Critical patent/FR2426932A1/en
Publication of FR2426932A1 publication Critical patent/FR2426932A1/en
Application granted granted Critical
Publication of FR2426932B1 publication Critical patent/FR2426932B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/24—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted
    • B62D1/28—Steering controls, i.e. means for initiating a change of direction of the vehicle not vehicle-mounted non-mechanical, e.g. following a line or other known markers
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0259—Control of position or course in two dimensions specially adapted to land vehicles using magnetic or electromagnetic means
    • G05D1/0265—Control of position or course in two dimensions specially adapted to land vehicles using magnetic or electromagnetic means using buried wires

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

The automatically propelled vehicle is guided by a wire buried in the ground and steering is a function of an error signal sensed by detectors. Unbalance in a two battery system is overcome by logic controlled bridge switching circuit. A reversible motor (4) which controls direction of the steering is powered from two batteries in series (+v, -v) when commanded by signals from error sensors which control clock circuits (10). Transistors (11-14) in a bridge circuit are subjected in pairs to clockwise or anticlockwise steering pulses from the clock circuits. This completes an electrical circuit via the batteries to drive the motor.
FR7815021A 1978-05-22 1978-05-22 Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system Granted FR2426932A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7815021A FR2426932A1 (en) 1978-05-22 1978-05-22 Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815021A FR2426932A1 (en) 1978-05-22 1978-05-22 Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system

Publications (2)

Publication Number Publication Date
FR2426932A1 true FR2426932A1 (en) 1979-12-21
FR2426932B1 FR2426932B1 (en) 1983-01-14

Family

ID=9208500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815021A Granted FR2426932A1 (en) 1978-05-22 1978-05-22 Steering direction controller for auto propelled vehicle - has reversible motor powered from battery via bridge switching system

Country Status (1)

Country Link
FR (1) FR2426932A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2122313A1 (en) * 1971-01-20 1972-09-01 Saxby
FR2251189A5 (en) * 1973-10-11 1975-06-06 Bosch Gmbh Robert Control mechanism for vehicle steering gear - has electronic circuit to correct deviations caused by road surface changes
DE2558571A1 (en) * 1975-12-24 1977-07-07 Licentia Gmbh Control for DC motor in bridge circuit - has digital logic circuits coupled to divider outputs giving zero motor current at zero speed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2122313A1 (en) * 1971-01-20 1972-09-01 Saxby
FR2251189A5 (en) * 1973-10-11 1975-06-06 Bosch Gmbh Robert Control mechanism for vehicle steering gear - has electronic circuit to correct deviations caused by road surface changes
DE2558571A1 (en) * 1975-12-24 1977-07-07 Licentia Gmbh Control for DC motor in bridge circuit - has digital logic circuits coupled to divider outputs giving zero motor current at zero speed

Also Published As

Publication number Publication date
FR2426932B1 (en) 1983-01-14

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse