MY125688A - Suspended load steadying control device - Google Patents

Suspended load steadying control device

Info

Publication number
MY125688A
MY125688A MYPI97005310A MYPI9705310A MY125688A MY 125688 A MY125688 A MY 125688A MY PI97005310 A MYPI97005310 A MY PI97005310A MY PI9705310 A MYPI9705310 A MY PI9705310A MY 125688 A MY125688 A MY 125688A
Authority
MY
Malaysia
Prior art keywords
trolley
suspended load
speed
control
control device
Prior art date
Application number
MYPI97005310A
Inventor
Takashi Toyohara
Susumu Kouno
Hiromitsu Hoshina
Original Assignee
Mitsubishi Heavy Ind 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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of MY125688A publication Critical patent/MY125688A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
    • B66C13/063—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads electrical

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

A TROLLEY (12) TRAVELS ALONG RAILS (11) WHILE SUSPENDING A LOAD (14) BY A ROPE (13). THE TROLLEY (12) HAS A TROLLEY DISPLACEMENT DETECTOR (21) FOR DETECTING A TROLLEY POSITION (XL), A TROLLEY SPEED DETECTOR (22) FOR DETECTING A TROLLEY SPEED (X2), AND A SWING MOTION DETECTOR (23) FOR DETECTING A SWING DISPLACEMENT (X3) AND A SWING SPEED (X4) OF THE SUSPENDED LOAD (14). A CONTROL DEVICE (26) PRODUCES A SPEED COMMAND (U) BASED ON THE DETECTED VALUES (X1, X2, X3 AND X4). IN RESPONSE TO THE SPEED COMMAND (U), A TROLLEY DRIVE DEVICE (15) IS DRIVEN TO RUN THE TROLLEY (12). WHEN THE TROLLEY (12) IS TO BE MOVED TO THE TARGET POSITION BY THE CONTROL OF THE CONTROL DEVICE (26), CONTROL FOR STEADYING THE SUSPENDED LOAD (14) WHILE THE TROLLEY (12) IS FOLLOWING A SET SPEED IS PERFORMED IN THE FIRST HALF OF THE CONTROL. AS THE TROLLEY (12) APPROACHES THE TARGET POSITION, CONTROL FOR POSITIONING THE TROLLEY (12) AND STEADYING THE SUSPENDED LOAD (14) IS PERFORMED. THUS, THE SWING OF THE SUSPENDED LOAD (14) IS LESSENED NOT ONLY AT THE TARGET POSITION, BUT ALSO DURING THE TRAVEL OF THE TROLLEY (12). (FIG. 1)
MYPI97005310A 1996-11-08 1997-11-07 Suspended load steadying control device MY125688A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8296048A JPH10139369A (en) 1996-11-08 1996-11-08 Bracing control device for hung load

Publications (1)

Publication Number Publication Date
MY125688A true MY125688A (en) 2006-08-30

Family

ID=17828433

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI97005310A MY125688A (en) 1996-11-08 1997-11-07 Suspended load steadying control device

Country Status (7)

Country Link
EP (1) EP0841294B1 (en)
JP (1) JPH10139369A (en)
KR (1) KR100237149B1 (en)
DE (1) DE69730798T2 (en)
MY (1) MY125688A (en)
SG (1) SG67435A1 (en)
TW (1) TW380115B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803737B1 (en) 2006-09-20 2008-02-15 한국생산기술연구원 Crane rope swing frequency measuring device
FR2923819A1 (en) * 2007-11-20 2009-05-22 Ledent Machines Equipements Sa PEDAGOGICAL PORTAL.
CN105152017B (en) * 2015-08-25 2017-03-22 山东大学 Enhanced coupling nonlinear tracking controller and method for three-dimensional bridge crane system
CN105152016B (en) * 2015-08-25 2017-08-25 山东大学 Energy coupled controller and control method for bridge crane with initial input constraints
CN105152020B (en) * 2015-09-30 2017-03-22 山东大学 Bridge crane self-adaptive tracking controller with tracking error constraint and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3513007A1 (en) * 1984-04-11 1985-12-19 Hitachi, Ltd., Tokio/Tokyo Method and arrangement for the automatic control of a crane
FR2701467B1 (en) * 1993-02-12 1995-05-12 Caillard Control system for controlling the speed of movement of a pendulum load and lifting device comprising such a system.
FR2704847A1 (en) * 1993-05-05 1994-11-10 Bertin & Cie Process and device for limiting the swing of a load suspended from a motorised support
DE4405683A1 (en) * 1994-02-22 1995-08-24 Siemens Ag Method of conveying a load using a crane
KR970003508B1 (en) * 1994-03-25 1997-03-18 한국원자력연구소 Speed control method for vibration prevention of crane

Also Published As

Publication number Publication date
EP0841294B1 (en) 2004-09-22
SG67435A1 (en) 1999-09-21
TW380115B (en) 2000-01-21
DE69730798T2 (en) 2005-09-29
JPH10139369A (en) 1998-05-26
DE69730798D1 (en) 2004-10-28
KR19980042223A (en) 1998-08-17
EP0841294A2 (en) 1998-05-13
HK1010533A1 (en) 1999-06-25
KR100237149B1 (en) 2000-03-02
EP0841294A3 (en) 2000-01-12

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