JPS56129915A - Controller of automatic steering for tractor - Google Patents

Controller of automatic steering for tractor

Info

Publication number
JPS56129915A
JPS56129915A JP3360480A JP3360480A JPS56129915A JP S56129915 A JPS56129915 A JP S56129915A JP 3360480 A JP3360480 A JP 3360480A JP 3360480 A JP3360480 A JP 3360480A JP S56129915 A JPS56129915 A JP S56129915A
Authority
JP
Japan
Prior art keywords
output
sensor
uncultivated
outputs
boundary detector
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
JP3360480A
Other languages
Japanese (ja)
Other versions
JPS604483B2 (en
Inventor
Akihiro Okujima
Takuro Mizutani
Yoshihiro Shimizu
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP55033604A priority Critical patent/JPS604483B2/en
Publication of JPS56129915A publication Critical patent/JPS56129915A/en
Publication of JPS604483B2 publication Critical patent/JPS604483B2/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Guiding Agricultural Machines (AREA)
  • Steering Controls (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

PURPOSE:To increase the accuracy of steering of a tractor, by compensating the output of uncultivated sensors with the output of the boundary detector at the opposite side, while the specific failure state is detected from the output of the boundary detector. CONSTITUTION:If the difference VA-VC between the outputs VA, VC which are the outputs of uncultivated sensor A and cultivated sensor C, is in failure that it is smaller that the fine reference voltage DELTAV, during the running using the left boundary detector 4, the output of a comparator 21 constituting the failure state detection circuit 19 is ''0'' and the output of the exclusive logical sum circuit 13 is at ''1'' to output the failure state detection signal (k). This signal (k) opens and closes the analog switches SA1' and SA1 respectively. As a result, the outputs VB, VC of the boundary and cultivated sensor constituting the device 4, and the output VA' of uncultivated sensor constituting the right side boundary detector 4' are introduced, and the uncultivated sensor A of the device 4 can be compensated with the sensor A' of the device 4'.
JP55033604A 1980-03-17 1980-03-17 Tractor automatic steering control device Expired JPS604483B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55033604A JPS604483B2 (en) 1980-03-17 1980-03-17 Tractor automatic steering control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55033604A JPS604483B2 (en) 1980-03-17 1980-03-17 Tractor automatic steering control device

Publications (2)

Publication Number Publication Date
JPS56129915A true JPS56129915A (en) 1981-10-12
JPS604483B2 JPS604483B2 (en) 1985-02-04

Family

ID=12391073

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55033604A Expired JPS604483B2 (en) 1980-03-17 1980-03-17 Tractor automatic steering control device

Country Status (1)

Country Link
JP (1) JPS604483B2 (en)

Also Published As

Publication number Publication date
JPS604483B2 (en) 1985-02-04

Similar Documents

Publication Publication Date Title
JPS57160651A (en) Recording device
JPS5775028A (en) Encoder
GB2020816A (en) Capacitive Measuring System with Automatic Calibration Means
JPS56129915A (en) Controller of automatic steering for tractor
JPS57166513A (en) Run guiding device for vehicle
JPS57203843A (en) Air-fuel ratio feedback control device
JPS57182153A (en) Gas detector
JPS5741268A (en) Circuit for detecting steering angle center of vehicle
EP0258735A3 (en) Process circuit for use in voltage-output type sensors
JPS56103310A (en) System for controlling distance from target by using reflection type optical sensor
JPS57178155A (en) Eddy current test equipment
JPS5733332A (en) Detection of abnormality in temperature sensor
JPS6413510A (en) Phase difference detector
JPS6429997A (en) Environmental abnormality alarming facility
JPS6425055A (en) Ion monitoring apparatus
JPS648820A (en) Current-type differential relay
JPS54122182A (en) Reflection type photo electric detector
JPS6410142A (en) Zero point and temperature compensating circuit
JPS6435327A (en) Temperature detecting device
JPS56101558A (en) Digital display type vehicle speedometer
JPS56132571A (en) Fine current measuring circuit
JPS56168434A (en) Sensor output circuit
JPS57197424A (en) Liquid level sensor for liquid nitrogen
FR2342486A1 (en) Integration of acceleration to determine speed - is performed by integrator with comparators and counter circuits at output
JPS6426161A (en) Zero point adjusting method for angular velocity sensor