EP 0394147 B1 19930922 - DEVICE FOR CONTROLLING AUTOMATICALLY THE POSITION AND THE OSCILLATIONS OF A SUSPENDED LOAD DURING ITS TRANSPORTATION BY A LIFTING DEVICE
Title (en)
DEVICE FOR CONTROLLING AUTOMATICALLY THE POSITION AND THE OSCILLATIONS OF A SUSPENDED LOAD DURING ITS TRANSPORTATION BY A LIFTING DEVICE
Publication
Application
Priority
FR 8905238 A 19890414
Abstract (en)
[origin: EP0394147A1] Device for controlling automatically the position and the oscillations of a suspended load during its transportation by a lifting device, comprising: - at least one guide means on which moves a translationally moveable carriage, actuated by a motor, to which is hooked a cable (or a rod) from the other end of which is suspended the load to be transported; - at least one position sensor, - an angle sensor, arranged on the carriage, characterised in that it comprises: - a first control loop comprising: . a first comparator (22> . a proportional corrector (23> . a second so-called position control loop, comprising: . a second comparator (20> . a proportional and integral corrector (21> - an adder (24). Application to any transportation of a suspended load requiring special conditions. <IMAGE>
IPC 1-7
IPC 8 full level
B66C 13/06 (2006.01); B66C 13/46 (2006.01)
CPC (source: EP)
B66C 13/063 (2013.01); B66C 13/46 (2013.01)
Citation (examination)
- PATENT ABSTRACTS OF JAPAN tome 4, no. 17 (M-91), 9 février 1980, page 86
- FOERDERN UND HEBEN tome 36, no. 6, juin 1986, pages 413-419
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0394147 A1 19901024; EP 0394147 B1 19930922; AT E94850 T1 19931015; DE 69003432 D1 19931028; FR 2645846 A1 19901019; FR 2645846 B1 19911004
DOCDB simple family (application)
EP 90420187 A 19900412; AT 90420187 T 19900412; DE 69003432 T 19900412; FR 8905238 A 19890414