JPH0425495B2 - - Google Patents

Info

Publication number
JPH0425495B2
JPH0425495B2 JP58048805A JP4880583A JPH0425495B2 JP H0425495 B2 JPH0425495 B2 JP H0425495B2 JP 58048805 A JP58048805 A JP 58048805A JP 4880583 A JP4880583 A JP 4880583A JP H0425495 B2 JPH0425495 B2 JP H0425495B2
Authority
JP
Japan
Prior art keywords
flip
flop
signal
phase
output
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.)
Expired - Lifetime
Application number
JP58048805A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59174763A (ja
Inventor
Tadaaki Kadoya
Hiroshi Sugai
Juichi Ninomya
Hiroyuki Tomita
Takeshi Hanada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4880583A priority Critical patent/JPS59174763A/ja
Publication of JPS59174763A publication Critical patent/JPS59174763A/ja
Publication of JPH0425495B2 publication Critical patent/JPH0425495B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/08—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/489—Digital circuits therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
JP4880583A 1983-03-25 1983-03-25 回転体の回転速度，位置検出装置 Granted JPS59174763A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4880583A JPS59174763A (ja) 1983-03-25 1983-03-25 回転体の回転速度，位置検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4880583A JPS59174763A (ja) 1983-03-25 1983-03-25 回転体の回転速度，位置検出装置

Publications (2)

Publication Number Publication Date
JPS59174763A JPS59174763A (ja) 1984-10-03
JPH0425495B2 true JPH0425495B2 (enrdf_load_stackoverflow) 1992-05-01

Family

ID=12813418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4880583A Granted JPS59174763A (ja) 1983-03-25 1983-03-25 回転体の回転速度，位置検出装置

Country Status (1)

Country Link
JP (1) JPS59174763A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276482A (ja) * 1986-05-26 1987-12-01 Omron Tateisi Electronics Co センサ装置
DE19711216C1 (de) * 1997-03-18 1998-05-07 Heidenhain Gmbh Dr Johannes Verfahren und Vorrichtung zur Übertragung von Daten zwischen einer Positionsmeßeinrichtung und einer Auswerteeinheit
JP3933643B2 (ja) * 2004-03-31 2007-06-20 山洋電気株式会社 差動伝送回路を用いた異常伝送方法
JP5804866B2 (ja) * 2011-09-14 2015-11-04 三菱電機株式会社 エレベータのエンコーダ監視装置およびエレベータのエンコーダ監視方法
JP6843514B2 (ja) * 2016-03-29 2021-03-17 株式会社東京精密 小型デジタル測長器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141817A (en) * 1974-10-04 1976-04-08 Tokyo Shibaura Electric Co Dendokino sokudoseigyosochi

Also Published As

Publication number Publication date
JPS59174763A (ja) 1984-10-03

Similar Documents

Publication Publication Date Title
US6580239B1 (en) Protecting device of electromobile
KR101354758B1 (ko) 모터의 다중 센서 고장 진단 장치 및 그 방법
EP3110002B1 (en) Motor rotation angle detection apparatus and electric power steering apparatus using same
CN101197555A (zh) 电动汽车电机控制方法及其转子位置检测容错处理方法
US20030090228A1 (en) Position sensor and actuating system
CN113884124A (zh) 一种增量式编码器自诊断方法及控制装置
JPH0425495B2 (enrdf_load_stackoverflow)
JP2685962B2 (ja) エンコーダ異常検出装置
CN114696669A (zh) 实现无刷直流电机霍尔位置传感器故障处理的方法
EP0424823B1 (en) Error detecting unit of a rotational detector
JP5370397B2 (ja) モータ速度監視装置
JP3042385B2 (ja) Ａｃサーボモータの位置検出回路の故障検出方法および検出装置
JPH0712589A (ja) 磁気式エンコーダの異常検出装置
JP2002350184A (ja) Ａｃサーボ用エンコーダの故障検出方法
JPH0789399B2 (ja) エンコーダ伝送路異常検出回路
JPH10247109A (ja) エンコーダの異常を検出する方法およびその装置、ならびにアクチュエータ用の制御装置
JPH0424280B2 (enrdf_load_stackoverflow)
JP2004139299A (ja) 位置決めシステムにおける原点復帰方法及び制御プログラム
JPS6284303A (ja) ロボツトの制御装置
JP2605768B2 (ja) 安全装置
JP2666798B2 (ja) サーボモータの暴走検出・防止方法
JP2677843B2 (ja) センサの動作異常診断装置
JPH01223311A (ja) パルスエンコーダ
JPS60154110A (ja) ロ−タリエンコ−ダの異常検出方法
JP2576956B2 (ja) 産業用ロボツトの回転角検出装置