JPS6474089A - Method and device for controlling brushless motor having position detector - Google Patents

Method and device for controlling brushless motor having position detector

Info

Publication number
JPS6474089A
JPS6474089A JP62226368A JP22636887A JPS6474089A JP S6474089 A JPS6474089 A JP S6474089A JP 62226368 A JP62226368 A JP 62226368A JP 22636887 A JP22636887 A JP 22636887A JP S6474089 A JPS6474089 A JP S6474089A
Authority
JP
Japan
Prior art keywords
motor
signal
position detection
rom3
detection signal
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.)
Pending
Application number
JP62226368A
Other languages
Japanese (ja)
Inventor
Junshiro Inamura
Masayuki Kanari
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 JP62226368A priority Critical patent/JPS6474089A/en
Publication of JPS6474089A publication Critical patent/JPS6474089A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

PURPOSE:To prevent the breakdown and burning of a motor by stopping the motor when an abnormal state of a position detection signal is detected. CONSTITUTION:A brushless motor 6 is constituted of a plurality of position detectors H1-H3 for loader position detection, the motor windings L1-L3 and a TG(Tacho Generator) to detect the speeds. And, the output of these position detectors H1-H3 are connected to the address terminals A2-A4 of a memory element ROM3. For this ROM3, a pulse with modulation signal PWM starting signal and a rotating direction signal of the motor 6 are connected to the address terminals A1, A0, and A5 respectively from a microcomputer 1. The output terminals D0-D5 are connected to the power transistors Q1-Q6 constituting a driver 4. Accordingly, an orderly position detection signal is filed in the memory of ROM3 in normal rotation previously; therefore, this signal is compared with the position detection signal is actual rotation, and it is proved that the discordance is abnormality.
JP62226368A 1987-09-11 1987-09-11 Method and device for controlling brushless motor having position detector Pending JPS6474089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62226368A JPS6474089A (en) 1987-09-11 1987-09-11 Method and device for controlling brushless motor having position detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62226368A JPS6474089A (en) 1987-09-11 1987-09-11 Method and device for controlling brushless motor having position detector

Publications (1)

Publication Number Publication Date
JPS6474089A true JPS6474089A (en) 1989-03-20

Family

ID=16844045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62226368A Pending JPS6474089A (en) 1987-09-11 1987-09-11 Method and device for controlling brushless motor having position detector

Country Status (1)

Country Link
JP (1) JPS6474089A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649217A1 (en) * 1993-10-12 1995-04-19 SMITH & NEPHEW DYONICS INC Brushless motor
US5563481A (en) * 1992-04-13 1996-10-08 Smith & Nephew Endoscopy, Inc. Brushless motor
JPH0989352A (en) * 1995-09-28 1997-04-04 Toshiba Corp Driver for outdoor blower
US5672945A (en) * 1992-04-13 1997-09-30 Smith & Nephew Endoscopy, Inc. Motor controlled surgical system and method having self clearing motor control
JP2005198392A (en) * 2004-01-06 2005-07-21 Minebea Co Ltd Controller of brushless dc motor with abnormality protective function
GB2398941B (en) * 2003-01-16 2006-03-22 Mpc Products Corp Systems and methods for controlling electrical motors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631391A (en) * 1979-08-20 1981-03-30 Hitachi Ltd Controlling device for commutatorless motor
JPS58102110A (en) * 1981-12-14 1983-06-17 Toshiba Corp Digital rotation detector of commutatorless motor
JPS59169386A (en) * 1983-03-16 1984-09-25 Hitachi Ltd Drive circuit of motor
JPS6271487A (en) * 1985-09-20 1987-04-02 Sanyo Electric Co Ltd Drive controller for dc motor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631391A (en) * 1979-08-20 1981-03-30 Hitachi Ltd Controlling device for commutatorless motor
JPS58102110A (en) * 1981-12-14 1983-06-17 Toshiba Corp Digital rotation detector of commutatorless motor
JPS59169386A (en) * 1983-03-16 1984-09-25 Hitachi Ltd Drive circuit of motor
JPS6271487A (en) * 1985-09-20 1987-04-02 Sanyo Electric Co Ltd Drive controller for dc motor

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5563481A (en) * 1992-04-13 1996-10-08 Smith & Nephew Endoscopy, Inc. Brushless motor
US5672945A (en) * 1992-04-13 1997-09-30 Smith & Nephew Endoscopy, Inc. Motor controlled surgical system and method having self clearing motor control
EP0649217A1 (en) * 1993-10-12 1995-04-19 SMITH & NEPHEW DYONICS INC Brushless motor
JPH0989352A (en) * 1995-09-28 1997-04-04 Toshiba Corp Driver for outdoor blower
GB2398941B (en) * 2003-01-16 2006-03-22 Mpc Products Corp Systems and methods for controlling electrical motors
JP2005198392A (en) * 2004-01-06 2005-07-21 Minebea Co Ltd Controller of brushless dc motor with abnormality protective function

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