JPS5216760A - Crane control apparatus - Google Patents

Crane control apparatus

Info

Publication number
JPS5216760A
JPS5216760A JP50091669A JP9166975A JPS5216760A JP S5216760 A JPS5216760 A JP S5216760A JP 50091669 A JP50091669 A JP 50091669A JP 9166975 A JP9166975 A JP 9166975A JP S5216760 A JPS5216760 A JP S5216760A
Authority
JP
Japan
Prior art keywords
control apparatus
crane control
speed
eliminated
reduced
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
JP50091669A
Other languages
Japanese (ja)
Other versions
JPS5638514B2 (en
Inventor
Koji Yamauchi
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 JP50091669A priority Critical patent/JPS5216760A/en
Priority to AU16348/76A priority patent/AU1634876A/en
Priority to DE19762633954 priority patent/DE2633954A1/en
Publication of JPS5216760A publication Critical patent/JPS5216760A/en
Publication of JPS5638514B2 publication Critical patent/JPS5638514B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
    • H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current
    • H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power
    • H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
    • H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
    • H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
    • H02P7/292—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC
    • H02P7/293—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual DC dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using static converters, e.g. AC to DC using phase control

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

PURPOSE: In a crane control apparatus, speed drift effect is eliminated, and speed fluctuation while variable speed operation is reduced.
COPYRIGHT: (C)1977,JPO&Japio
JP50091669A 1975-07-28 1975-07-28 Crane control apparatus Granted JPS5216760A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP50091669A JPS5216760A (en) 1975-07-28 1975-07-28 Crane control apparatus
AU16348/76A AU1634876A (en) 1975-07-28 1976-07-28 Control device of suspending system
DE19762633954 DE2633954A1 (en) 1975-07-28 1976-07-28 Control circuit for floating (agravic balance) system - has DC motor powered by nominal speed generator driving support for floating load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50091669A JPS5216760A (en) 1975-07-28 1975-07-28 Crane control apparatus

Publications (2)

Publication Number Publication Date
JPS5216760A true JPS5216760A (en) 1977-02-08
JPS5638514B2 JPS5638514B2 (en) 1981-09-07

Family

ID=14032878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50091669A Granted JPS5216760A (en) 1975-07-28 1975-07-28 Crane control apparatus

Country Status (3)

Country Link
JP (1) JPS5216760A (en)
AU (1) AU1634876A (en)
DE (1) DE2633954A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224989A (en) * 1982-06-17 1983-12-27 株式会社神戸製鋼所 Controller for jib crane

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1197790B (en) * 1986-07-21 1988-12-06 Venturino Gianfranco Gse DIRECT CURRENT MOTOR POWER SUPPLY DRIVE WITH INTRINSIC FEEDBACK

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224989A (en) * 1982-06-17 1983-12-27 株式会社神戸製鋼所 Controller for jib crane

Also Published As

Publication number Publication date
AU1634876A (en) 1978-02-02
JPS5638514B2 (en) 1981-09-07
DE2633954A1 (en) 1977-02-03

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