JPS59117474A - Speed controller for industrial machine such as crane or the like - Google Patents

Speed controller for industrial machine such as crane or the like

Info

Publication number
JPS59117474A
JPS59117474A JP57224682A JP22468282A JPS59117474A JP S59117474 A JPS59117474 A JP S59117474A JP 57224682 A JP57224682 A JP 57224682A JP 22468282 A JP22468282 A JP 22468282A JP S59117474 A JPS59117474 A JP S59117474A
Authority
JP
Japan
Prior art keywords
signal
speed
speed command
differentiator
integrator
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
JP57224682A
Other languages
Japanese (ja)
Other versions
JPH0147120B2 (en
Inventor
Teruo Nonaka
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.)
ISHIKAWAJIMA CRANE KK
ISHIKAWAJIMA KUREEN KK
ISHIKAWAJIMA YUSOKI KK
IHI Corp
Original Assignee
ISHIKAWAJIMA CRANE KK
ISHIKAWAJIMA KUREEN KK
ISHIKAWAJIMA YUSOKI KK
IHI Corp
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 ISHIKAWAJIMA CRANE KK, ISHIKAWAJIMA KUREEN KK, ISHIKAWAJIMA YUSOKI KK, IHI Corp filed Critical ISHIKAWAJIMA CRANE KK
Priority to JP57224682A priority Critical patent/JPH0147120B2/ja
Publication of JPS59117474A publication Critical patent/JPS59117474A/en
Publication of JPH0147120B2 publication Critical patent/JPH0147120B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P27/00Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
    • H02P27/02Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude
    • H02P27/026Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using supply voltage with constant frequency and variable amplitude whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

Abstract

PURPOSE:To improve the deterioration of a low speed starting characteristic and inching characteristic due to soft starting property by combining a speed command applied with soft starting property with a signal in response to the quantity of variation of the operating amount of a controller as a speed command. CONSTITUTION:The output signal of a controller is inputted to a differentiator 6 and an integrator 7. The differentiator 6 differentiates the rise and fall of this signal, and the integrator 7 integrates the signal to provide soft starting property and cushion starting property. An operational amplifier 10 adds the outputs of the differentiator 6 and the integrator 7, and outputs as a speed command. A speed control amplifier 13 applies a deviation between the speed command and the speed signal detected by a tachometer generator 11 to a phase controller 14.
JP57224682A 1982-12-21 1982-12-21 Expired JPH0147120B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57224682A JPH0147120B2 (en) 1982-12-21 1982-12-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57224682A JPH0147120B2 (en) 1982-12-21 1982-12-21

Publications (2)

Publication Number Publication Date
JPS59117474A true JPS59117474A (en) 1984-07-06
JPH0147120B2 JPH0147120B2 (en) 1989-10-12

Family

ID=16817568

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57224682A Expired JPH0147120B2 (en) 1982-12-21 1982-12-21

Country Status (1)

Country Link
JP (1) JPH0147120B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06183685A (en) * 1992-12-21 1994-07-05 Hitachi Kiden Kogyo Ltd Speed control method of overhead traveling crane
JP2007528831A (en) * 2003-07-17 2007-10-18 ケイシーアイ コネクレーンズ ピーエルシー Crane control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06183685A (en) * 1992-12-21 1994-07-05 Hitachi Kiden Kogyo Ltd Speed control method of overhead traveling crane
JP2007528831A (en) * 2003-07-17 2007-10-18 ケイシーアイ コネクレーンズ ピーエルシー Crane control method
US8317041B2 (en) 2003-07-17 2012-11-27 Kci Konecranes Plc Method for controlling a crane

Also Published As

Publication number Publication date
JPH0147120B2 (en) 1989-10-12

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