Matches 1 - 25 out of 25


Match Document Document Title
9035594 Boost converter control apparatus  
A boost converter control apparatus for controlling a motor drive system which is provided with a boost converter disposed between an electric power converter and a direct current power supply,...
7911172 Machine position control device  
An accurate load position control is made possible even when rigidity of a load drive system using a motor is relatively low. Load position signal xl is a present-position measurement value of a...
5500580 Integrated compliance servovalve  
An integrated compliance electrohydraulic servovalve system connected to a load such as a simulated living being to provide more realistic movement thereto. The system includes a pressure...
4555757 Interface system for hybrid control loops  
A system for interfacing a digital computer with an analog gimbal control loop rate integrating gyro for controlling the movement of inner and outer gimbaled elements is disclosed. The purpose of...
4387624 Device for increasing the tracking accuracy of an aiming system  
The invention relates to a device for increasing the tracking accuracy of an aiming system for a gun or the like which includes a gun servo. The gun servo comprises a special stabilizing and...
4325013 Electrical tracer control system utilizing sine wave resolution  
A control for a profiling machining tool, and a method for controlling such a tool. The machine tool includes a sensing head which moves along a template or pattern to produce a signal that causes...
4298833 Apparatus for damping operator induced oscillations of a controlled system  
Apparatus for damping operator induced oscillations of a controlled system responding to an operator controlled signal (DEP) utilizing a lag-lead filter (14) for frequency and amplitude estimation...
4283665 Method and apparatus for eliminating ripple component from motor control loop  
In a motor control circuit, a rotational speed detection signal containing a ripple component superimposed on a d.c. component is applied to both a low pass filter/phase lagging circuit and to a...
4221995 Linear motor drive system for continuous-path closed-loop position control of an object  
A precision numerical controlled servo-positioning system is provided for continuous closed-loop position control of a machine slide or platform driven by a linear-induction motor. The system...
4184109 Position servo loop for robot or automatic machine  
A nonlinear servo compensator for insertion in the position servo loop of a robot or automatic machine comprising a direct path with an operational amplifier and a second amplifier for summing the...
4128795 Device for damping the critical frequencies of a rotor suspended by a radial electromagnetic bearing  
A device is disclosed for damping the critical frequencies of a rotor suspended by a radial electromagnetic bearing which has means associated therewith for detecting the radial position of the...
3727120 WIDTH CONTROLLED SAMPLIER PULSING A SAMPLE-HOLD THEREBY EFFECTING A LOW-PASS FILTER FOR A SAMPLE-DATA SERVO  
Servo systems may be subject to disturbances if they respond to signals above a certain frequency, if for example, the frequency is related to the natural resonance of the mechanical portion of...
3492506 LAG-LEAD AC COMPENSATION CIRCUIT  
3470430 AIRCRAFT PITCH AXIS SERVO CONTROL INCLUDING NOISE ELIMINATION AND NONLINEAR COMPENSATION  
3436626 MASS CENTERING APPARATUS WITH MEANS TO SENSE MASS DISPLACEMENT FROM THE CENTER OF GRAVITY AND SERVO RECENTERING  
3275268 Automatic control for aircraft  
3246221 Servo controlled magnetic platform  
2870393 Thermionic servo-amplifier systems  
2832020 Synchro system and quadrature voltage eliminator therefor  
2735051 Title is not available  
2544643 Apparatus for compensating for frequency changes  
2466018 Vibratory strand reference apparatus with longitudinal component drive  
The present invention ence apparatus, as is par apparatus for establishf Predetermined direction ment of a vibrating eleme As sV0 1'r1 in Patent 556,186, filed September ; inventor, there has...
2437313 Electrical servo system  
13 Claims This Invention relates to electrical servo sys ters, and more particularly to improvements ii the art of stabilizing electrical servo systems o the type employing A.-C. control signals....
2423438 Electrical follow-up motor control system  
8 Claims. (Cl. * 1 This invention relates to a follow-up system in which a controlled element, such as a directional radiating antenna structure, is caused to follow the rotation of a...
2068490 Position control system  
This invention relates, generally, to electrical control systems, and the invention has reference, more particularly, to a novel improved continu.ously operable electrical position control system...

Matches 1 - 25 out of 25