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7638963 Rotary indexing table driven by an induction motor  
The present invention is a rotary indexing table driven by an induction motor. The rotary indexing table includes a rotatable work supporting platform, an AC induction motor including a motor shaft...
7436135 Method for controlling stage apparatus  
At least one exemplary embodiment is directed to a control method for controlling a stage apparatus including a base and a stage, the base including first and second coil phases, the stage...
7145300 Multi-axis AC servo control system and method  
A multiple axis servo control implements a multi-tasking PWM control unit to provide PWM signals for multiple axes in a single unit. A time slice mechanism provides axis selection signals based on...
7061202 Automobile servomotor controller  
An automobile servomotor controller includes a master control unit having a master control circuit for transmitting a designation signal and a slave unit having a motor and a control circuit which...
7038421 Method and system for multiple servo motor control  
A system for control of a plurality of motors comprising: an inverter including at least three legs, with each leg including two series switching devices configured to receive a command from a...
7005821 Servomotor controller  
In a servomotor controller, when a comparing circuit ( 70 ) detects that a position of an object to be controlled has been achieved to a target position, an operation inhibiting signal generating...
6933698 Method of driving a servo motor with a built-in drive circuit  
Disclosed is a method of driving a servo motor with a built-in drive circuit in which a common rectifying circuit is provided on a distribution board to which a plurality of the servo motors with...
6838851 Inner-force providing input device having a power-operated actuator for generating a click feel  
Under electric control of a motor by a CPU, before the rotation angle of a rotary knob reaches a predetermined angle (20°, 40°, 60°, . . . 360°), a torque in the same direction as a rotational...
6781336 Method and apparatus for controlling electric servo actuators  
A servomechanism having an actuator configured to convert electrical energy into mechanical energy and a controller configured for electrical connection to a power source. A power cable...
6701220 Industrial robot device  
An industrial robot including a manipulator having a control system. The manipulator includes a common gear housing having first and second inner compartments connected with a passage channel....
6694224 Control of robotic systems  
In an automated processing system, a system controller uses a meta-heuristic technique for identifying an optimal or near-optimal control schedule for controlling movements and operations of a...
6590359 Method for effecting the synchronous control of several stepping motors  
A method for the synchronized control of a plurality of stepping motors SM 1 , SM 2 . . . SM n which serve as drives in a feed system, wherein the stepping motors SM 1 , SM 2 . . . SM n are...
6556893 Robotic system control  
In an automated processing system, a system controller uses a meta-heuristic technique for identifying an optimal or near-optimal control schedule for controlling movements and operations of a...
6489741 Robot motion compensation system  
Motion of a substrate-transporting robot arm is controlled in order to compensate for inaccuracies and deflections encountered during operation. The compensation is effected by synchronizing...
6437531 Backup method of microcomputer used in case of stoppage of operation, backup unit of microcomputer, and control unit for controlling power window for automobile use  
There is provided an external watchdog timer 30 for detecting a temporary runaway of the microcomputer body 20 and resetting it according to a pulse output of the microcomputer body 20. ...
6366047 Multi-track absolute encoder  
A position encoder and a method for estimating absolute position using two or more diffractive grating tracks of differing periods to generate interference fringe patterns on a multi-track sensor....
6297610 Control system for controlling plural electrical devices  
A control system for controlling a plurality of electrical devices (6) the system including a central controller (2) for controlling functions of the devices, a network (4) coupled between the...
6297612 Motion control coupling apparatus  
A motion control system includes a signal conduit to which the various devices of the system, such as a motion controller and motor drive modules, are linked. The modules are intertied such that...
6255790 Vehicle seat with a control device  
A control device, disposed in or on a vehicle seat, which has a pickup for detecting seat occupation, a pickup for detecting a position of the vehicle seat, a common control circuit, and an energy...
6252366 Device for digitally slaving the position of a moving part  
Device for digitally slaving the position of a moving part, including: a digital sensor (20) which is intended to measure the actual position of the moving part (10) and delivers a digital...
6127795 Transmitting process information for regulating drives  
For regulating drives, process information is transmitted from a measuring device to a regulating device. In addition to position-measurement signals, acceleration-measurement signals are also...
6121742 Control scheme for multi-actuator disc drive  
In a computer disc drive system having a plurality of voice coil motors for independently actuating a plurality of actuator arms or E-blocks, a single voice coil motor servo control circuit...
6091219 Structure of robot control system  
A robot control system is provided which controls a plurality of servomotors for moving a hand and articulated arms of a robot. The robot control system includes a plurality of position detectors,...
6034491 Universal fixture having shared drive assembly  
The present invention relates to an automatically reconfigurable contour checking fixture for comparing a component to a programmed contour. The fixture comprises a horizontal support table, having...
6014000 System with motor control using multiple timing signal generators  
A system with motor control uses multiple timing signal generators to control a stepper motor. Control is based on a first timing signal generator when changing the motor's angular velocity....
5994861 Servo system  
In a servo system having a controller such as a numeric controller for multi-axes control and a plural number of drive-unit-built-in servo motors, a branching circuit (2) is provided between the...
5990638 Synchronizing method for communication  
A CNC device 10 and servoamplifiers SA1, SA2 are connected in the manner of a daisy-chain. The positions of the servo motors M1, M2 detected by pulse coders P1, P2 are read in synchronization at...
5962996 Inverter apparatus  
In an inverter apparatus for converting a direct current to an intermittent current by a converter configured by parallel-connected plural pairs of serially-coupled switching elements, resistance...
5852354 Multiplexing rate generator/counter circuit for controlling stepper motors  
A multiplexing circuit which rapidly shares a single rate generator among up to 16 different motors. The circuit utilizes an addend memory block with n-bit by m-deep memory structures. Each memory...
5841256 Arrangement for controlling the loading element of a crane  
The invention relates to an arrangement for controlling a loading element of a crane, the loading element of the crane including an actuator and a current supply cable for supplying current to the...
5812339 Method and apparatus for controlling the position of an object along a radial direction of a rotating body  
A position control method for use with a hard disk drive or other rotating body is provided. A radial position of a rotating body corresponding to an object to be controlled is detected as a...
5798626 Servo motor control  
An amplifier circuit which communicates over a two way bus with a CPU having a profile generating computer for defining at least one profile and which supplies a control signal to a motor. The...
5610810 Apparatus for correcting errors in a digital-to-analog converter  
Adjustment of a gain and an offset of a data processing apparatus for controlling the operation of a copying machine or the like can be performed all at once without requiring adjustment of...
5602544 Absolute encoder and method of generating its current position  
An absolute encoder which is operative to provide a plurality of signals indicating a current position, that signal including a least significant bit whose edge is detected and used as a basis for...
5600220 System for servo-controlling an aircraft flight control member  
A servo-control system for actuating an aircraft flight control member, the system including at least one hydraulic actuator together with actuation means for actuating said actuator, said...
5552688 Machining program execution method for an NC device  
A machining program execution method for an NC device, in which parameter values are automatically modified in accordance with the machining types in continuously executing machining operations of...
5498943 Feedback control device  
A feedback control device at a certain control time, predicts a feedback quantity at the next control time on the basis of a feedback quantity fed back from a controlled object and then performs a...
5414338 Method and apparatus for suppressing electrical impulse noise created by DC motors  
In a multi-winding motor of the type which develops switching spikes from respective drive signals, separate interference suppression apparatus is not provided for each motor winding to be...
5389864 Actuator with motor and feedback driven by a common power supply  
An actuator system has a motor and an output shaft connected to a potentiometer that provides shaft position information. The motor and potentiometer are electrically connected to a common power...
5274311 Control system network structure  
The present invention imports network communication concepts into a motor and/or motion control system. The motor and/or motion control system is divided into various modules. A preferred...
5268898 Information transmission system between machine master and servo mechanism  
An information transmission system for a numerical control (NC) system having a servo mechanism with plural units, wherein the NC issues commands for processing by corresponding servo units and the...
5248925 Drafting arrangement with feedback drive groups  
A draw frame with a main control for a drafting arrangement having at least one independent drive group for at least one drafting zone. Each independent drive group has an auxiliary closed loop...
5237250 Multiplexed stepper motor control apparatus  
A multiplexor circuit connects a plurality of stepper motors to a lesser number of stepper motor drivers with at least one driver connected to a plurality of parallel connected stepper motors. A...
5086262 Industrial robot system  
An industrial robot system comprising a plurality of robots for conducting a work in cooperation with each other. A system clock is provided in the system, and clocks are provided in the respective...
5068585 Numerical control device  
A numerical control device capable of controlling the drive of a plurality of objects to be controlled in a parallel mode. With a numerical control device, machining programs for the objects which...
5057755 Numerical control machining system  
A numerical control machining system includes a group of combined NC machines. Each NC machine has a storage device for storing a respective processing program and is capable of communicating with...
5034671 Manual damper motor control  
The position of the power output member of a motor actuator which is normally controlled by a microprocessor in response to system-supplied condition signals may be set manually by providing a...
5013989 Numerical control apparatus for multiple-axis and multiple-channel machine tool  
A numerical control apparatus for controlling a multiple-axis and multiple-channel machine tool by controlling multiple axes through multiple channels. A main processor (1) for executing data...
4937510 Control apparatus for a linear motor for driving a pickup  
A control apparatus for a linear motor for driving a pickup of an information storage/readout apparatus with which the pickup can be moved more quickly and accurately to a desired target position....
4931709 NC unit processing method  
An NC unit processing method executes numerical control processing based on a numerical control program and sequence control processing based on a sequence program at predetermined times on a...
Matches 1 - 50 out of 147 1 2 3 >