JPS5431154A - Method of controlling speed of crane driving means - Google Patents

Method of controlling speed of crane driving means

Info

Publication number
JPS5431154A
JPS5431154A JP9510277A JP9510277A JPS5431154A JP S5431154 A JPS5431154 A JP S5431154A JP 9510277 A JP9510277 A JP 9510277A JP 9510277 A JP9510277 A JP 9510277A JP S5431154 A JPS5431154 A JP S5431154A
Authority
JP
Japan
Prior art keywords
driving means
controlling speed
crane driving
speed
low
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
JP9510277A
Other languages
Japanese (ja)
Inventor
Hiroaki Yabu
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 JP9510277A priority Critical patent/JPS5431154A/en
Publication of JPS5431154A publication Critical patent/JPS5431154A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Control Of Multiple Motors (AREA)

Abstract

PURPOSE: To provide a method of controlling speed of crane driving means, according to which, at the time of low-speed operation, operation of a plurality of motors controlled separately for generation of driving torque and for dynamic braking, thus generating a total torque meeting with the low-speed operation.
COPYRIGHT: (C)1979,JPO&Japio
JP9510277A 1977-08-10 1977-08-10 Method of controlling speed of crane driving means Pending JPS5431154A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9510277A JPS5431154A (en) 1977-08-10 1977-08-10 Method of controlling speed of crane driving means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9510277A JPS5431154A (en) 1977-08-10 1977-08-10 Method of controlling speed of crane driving means

Publications (1)

Publication Number Publication Date
JPS5431154A true JPS5431154A (en) 1979-03-07

Family

ID=14128503

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9510277A Pending JPS5431154A (en) 1977-08-10 1977-08-10 Method of controlling speed of crane driving means

Country Status (1)

Country Link
JP (1) JPS5431154A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563288A (en) * 1979-06-20 1981-01-14 Hitachi Ltd Moving object controlling method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS563288A (en) * 1979-06-20 1981-01-14 Hitachi Ltd Moving object controlling method

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