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| Number | Title | Issue Date |
| 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 including a plurality of magnets. The control method includes a first energiz... | 10/14/2008 |
| 7348897 | Apparatus for transmitting position detection signal of multi-shaft motor An apparatus for transmitting a position detection signal of a multi-shaft motor whereby a parallel-form detection signal that is output from position-detecting devices disposed on each of a plurality of motors and used for indicating a motor rotation position can b... | 03/25/2008 |
| 7274968 | Method of serial communication method between NC device and a plurality of servo amps for servomotors A communication control system and method of communicating between a numerical control device and a plurality of servomotors, includes connecting the numerical control device to a plurality of servoamps of the plurality of servomotors in a loop configuration via bi-... | 09/25/2007 |
| 7248006 | Electronically controlled electric motor A system for controlling an electric motor comprises, in one embodiment, an encoder; a central processor in communication with said encoder; a module processor in communication with said central processor; feedback circuitry in communication with said module process... | 07/24/2007 |
| 7245100 | 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 a system clock signal to permit control parameters of the selected ax... | 07/17/2007 |
| 7191857 | Hybrid vehicle and method for controlling the same A running motor for assisting an engine in driving a vehicle or singly driving the vehicle and an auxiliary unit motor for driving a compressor for an air conditioner are controlled by a common inverter via a changeover switch. According to this construction, the ru... | 03/20/2007 |
| 7194339 | Method of controlling motor, motor control device, and printing method A motor-controlling method includes the steps of: preparing a motor control device provided with a motor for moving an object to be moved and causing the motor to move the object to a target position by first accelerating the object and then moving the object at a c... | 03/20/2007 |
| 7180253 | Method and system for generating multi-dimensional motion profiles A motion control system comprises control logic and a programming interface. The programming interface is configured to permit a user to specify a plurality of non-tangential path segments, and the control logic is configured to generate a plurality of additional co... | 02/20/2007 |
| 7170241 | Path module for a linear motor, modular linear motor system and method to control same A path module for a linear motor system includes a controller coupled to one or more amplifiers that are operative to control associated windings in the module. The controller receives control information via a communications link. The controller controls the amplif... | 01/30/2007 |
| 7164965 | Numerical controller and servomotor control system A numerical controller and a servomotor control system, capable of axis control required in case of a communication failure in the control of servomotors driven by servo amplifiers connected to a plurality of serial buses. The numerical controller has a plurality of... | 01/16/2007 |
| 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 a system clock signal to permit control parameters of the selected ax... | 12/05/2006 |
| 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 controls driving of a motor by outputting an operation signal to a dr... | 06/13/2006 |
| 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 controller. The system also includes a first motor operably connected to ... | 05/02/2006 |
| 7031876 | Procedure and device for data transmission between a processing unit and several position measuring instruments A procedure for data transmission between a processing unit and a plurality of position measuring instruments, which are connected to one another in a linear bus topology. Generating a position data request signal from the processing unit and synchronously executing... | 04/18/2006 |
| 7023151 | Switching device for controlling at least two motors A switching device for controlling at least two motors has a single converter, wherein the at least two motors are connected to the converter by a power line and a feedback line, respectively. At least one logic module is connected to the converter and evaluates sig... | 04/04/2006 |
| 7024257 | System for motion control, method of using the system for motion control, and computer-readable instructions for use with the system for motion control A motion control system and method that includes a central controller configured to generate first and second demand control signals to be used to define actuation motion of respective first and second actuators. The central controller is in communication with first... | 04/04/2006 |
| 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 section (71) supplies an operation inhibiting signal (7... | 02/28/2006 |
| 7003381 | Integral joystick display for a powder driven wheelchair Apparatus of a power driven wheelchair for displaying operational parameters thereof comprises: a programmed controller operative to monitor a plurality of operational parameters of the wheelchair; a joystick unit coupled to the programmed controller; and a display ... | 02/21/2006 |
| 6943521 | Motor drive, motor drive control method, and component attaching device In a motor drive device having a plurality of driver units for driving motors and a command generator for giving a command to the driver units which are connected in serial communication, there is a communication section for setting up the communication formats corr... | 09/13/2005 |
| 6936982 | Device for actuating a plurality of electric motors Device for actuating a plurality of actuators (1) in a transportation device, which has a plurality of output stages (2, 3, 4, 5) and a control circuit for actuating the output stages (2, 3, 4, 5), the output stages (2, 3, 4, 5) each conn... | 08/30/2005 |
| 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 built-in drive circuits are connected, to thereby achieve a reduction ... | 08/23/2005 |
| 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 direction is provided from the motor to the rotary knob, and the torq... | 01/04/2005 |
| 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 electrically connects the actuator and the controller. The power cable is config... | 08/24/2004 |
| 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. First and second gears are arranged in the first and second in... | 03/02/2004 |
| 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 robot. In particular embodiments, the system controller uses a... | 02/17/2004 |
| 6590359 | Method for effecting the synchronous control of several stepping motors A method for the synchronized control of a plurality of stepping motors SM1, SM2 . . . SMn which serve as drives in a feed system, wherein the stepping motors SM1, SM2 . . . SMn are control... | 07/08/2003 |
| 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 robot. In particular embodiments, the system controller uses a... | 04/29/2003 |
| 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 elevational and planar motions of the robot arm such that the tr... | 12/03/2002 |
| 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. Further, an internal watchdog timer 70 operated independently from a ... | 08/20/2002 |
| 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. Detectors, corresponding to the diffractive grating tracks... | 04/02/2002 |
| 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 central controller (2) and the devices, the network including ... | 10/02/2001 |
| 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 the order of the modules along the signal conduit does not a... | 10/02/2001 |
| 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 supply for the control circuit. The pickup for detecting s... | 07/03/2001 |
| 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 effective position value, drive means comprising an electric motor... | 06/26/2001 |
| 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 transmitted. The acceleration-measurement signals are used as ... | 10/03/2000 |
| 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 controls the plurality of voice coil motors. In a preferred embod... | 09/19/2000 |
| 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, a motor control driver, and a serial communication path. T... | 07/18/2000 |
| 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 a length and width, wherein a drive rack runs along its l... | 03/07/2000 |
| 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. Control is based on a second timing signal generator when the mo... | 01/11/2000 |
| 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 controller and the drive-unit-built-in servo motors to commu... | 11/30/1999 |
