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1. WO1986006512 - METHOD AND DEVICE FOR STABILIZING A FEED-BACK SERVOMECHANISM

Publication Number WO/1986/006512
Publication Date 06.11.1986
International Application No. PCT/SE1986/000163
International Filing Date 09.04.1986
IPC
G05B 11/36 2006.01
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
11Automatic controllers
01electric
36with provision for obtaining particular characteristics, e.g. proportional, integral, differential
CPC
G05B 11/36
GPHYSICS
05CONTROLLING; REGULATING
BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
11Automatic controllers
01electric
36with provision for obtaining particular characteristics, e.g. proportional, integral, differential
Applicants
  • SAAB-SCANIA AKTIEBOLAG [SE]/[SE] (AllExceptUS)
  • OUSBÄCK, Nils, A^oke, Gunnar [SE]/[US] (UsOnly)
Inventors
  • OUSBÄCK, Nils, A^oke, Gunnar
Agents
  • RUSTNER, Lars
Priority Data
8502022-026.04.1985SE
Publication Language English (EN)
Filing Language Swedish (SV)
Designated States
Title
(EN) METHOD AND DEVICE FOR STABILIZING A FEED-BACK SERVOMECHANISM
(FR) PROCEDE ET DISPOSITIF DE STABILISATION D'UN SERVO-MECANISME A REACTION
Abstract
(EN)
In order to stabilize a feed-back servo mechanism, which comprises a servo motor (1), especially a spring-centered torque motor with friction, and a control unit (2) comprising an integrating filter (9) designed to control the servo motor, a signal (x), which constitutes the insignal of the control unit, and is proportional to the difference between the set value (z2) and the actual value (z1) of the output quantity of the servo motor (1), is connected to a play-creating means (7). The output signal (y) of the play-creating means (7) is connected to the integrating filter (9). The output signal (y) of the play-creating means (7) is also subtracted from said input signal (x) to provide a difference signal (s). The output signal of the integrating filter (9) and said difference signal are added to provide a control signal, which is connected to the servo motor (1).
(FR)
Afin de stabiliser un servo-mécanisme à réaction comprenant un servo-moteur (1), en particulier un moteur à couple constant et à friction centré par un ressort, et une unité de commande (2) comprenant un filtre d'intégration (9) pour commander le servo-moteur, un signal (x), qui constitue le signal d'entrée de l'unité de commande et qui est proportionnel à la différence entre la valeur prescrite (z2) et la valeur réelle (z1) de la quantité de sortie du servo-moteur (1), est connecté à un dispositif (7) générateur de jeu. Le signal de sortie (y) du dispositif (7) générateur de jeu est connecté au filtre d'intégration (9). Le signal de sortie (y) du dispositif (7) générateur de jeu est également soustrait dudit signal d'entrée (x) pour donner un signal différentiel (s). Le signal de sortie du filtre d'intégration (9) et ledit signal différentiel sont additionnés pour donner un signal de commande, qui est connecté au servo-moteur (1).
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