EP 1642382 A1 20060405 - DETERMINATION OF START COMMUTATION IN SYNCHRONOUS SERVO DRIVES
Title (en)
DETERMINATION OF START COMMUTATION IN SYNCHRONOUS SERVO DRIVES
Title (de)
BESTIMMUNG DER STARTKOMMUTIERUNG IN SYNCHRON-SERVO-ANTRIEBEN
Title (fr)
DETERMINATION DE LA COMMUTATION INITIALE DANS DES SERVOCOMMANDES SYNCHRONES
Publication
Application
Priority
- DE 2004001428 W 20040705
- DE 10330551 A 20030705
Abstract (en)
[origin: WO2005006535A1] The invention relates to a method for carrying out start commutation of synchronous servo drives by means of two coupled control loops, a current control circuit and a angle control circuit. The current control circuit is coupled by means of the transversal IQ current via a minimised Clarke-Park transformation (1, 2) associated with said circuit and the angle control circuit is coupled to the current control circuit by means of the field angle a. The Clarke-Park transformation (1) associated with the current control circuit contains, as an input, two phase currents (iU, iV) and the field angle a and, as an output, the motor current vector iM. The Clarke-Park transformation (2) associated with the angle control circuit contains, as an input, the field angle a and the transversal current iQ and, as an output, the voltage branches uU, uV, uW. The angle control circuit contains an incremental position sensor signal (13). A ramped desired value (5) is predetermined by the current control (7). A constant angle desired value (8) is predetermined by the angle control (9). The angle control (9) is embodied in such a manner that it has a faster dynamic than the current control dynamic (7) of the signal (20) which is impinged upon by the current control (7) by rotating the magnetic field. The method can be controlled, in all positions, by the input of an S-shaped disturbance variable signal (11) in the angle control (9). The shaft of the electric drive (16) can be mechanically blocked in the position thereof during initialisation of the start commutation and is regulated exactly to the same position as in the beginning after the initialisation of the the start commutation.
IPC 1-7
IPC 8 full level
H02P 6/16 (2006.01); H02P 21/00 (2006.01); H02P 21/06 (2006.01); H02P 21/14 (2006.01)
CPC (source: EP US)
H02P 6/16 (2013.01 - EP US); H02P 21/06 (2013.01 - EP US); H02P 21/34 (2016.02 - EP US); H02P 2207/05 (2013.01 - EP US)
Citation (search report)
See references of WO 2005006535A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005006535 A1 20050120; DE 10330551 A1 20050210; DE 10330551 B4 20050721; EP 1642382 A1 20060405; US 2006108968 A1 20060525; US 7141952 B2 20061128
DOCDB simple family (application)
DE 2004001428 W 20040705; DE 10330551 A 20030705; EP 04738858 A 20040705; US 32449306 A 20060103