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US20110199039 Fractional boost system  
A fractional boost system including a boost converter, responsive to the base level voltage of a power supply, for providing a boost level voltage to a load and a control system for sensing the...
US20060038524 Servo motor driving apparatus and servo motor driving method  
An object of the present invention is to provide a servo motor driving apparatus and a servo motor driving method for driving a plurality of servo motors, wherein provisions are made to improve...
US20090039821 STEP MOTOR DRIVING APPARATUS  
A step motor driving apparatus includes a micro control unit (MCU), a pulse generator, a first step motor driver, a second step motor driver, and a communication port. The first step motor driver...
US20100072936 Simultaneous zero verification for motors in a printing press  
A method for determining accuracy of an actual position of a plurality of independent motors in a printing press is provided. The method includes commanding each of the plurality of motors in the...
US20100066297 MACHINE WITH FLYWHEEL-LESS BUFFER DRIVE  
A machine has a basic body and a machine element. The machine element can be moved relative to the basic body by an electric working drive which is connected to an electric supply system via a...
US20150102760 POWER SUPPLYING METHOD FOR INJECTION MOLDING MACHINE HAVING TRANSFORMER  
An injection molding machine has a first servo amplifier configured to operate with a first voltage, a second servo amplifier configured to operate with a second voltage, and a transformer which...
US20090276145 SYNCHRONIZATION DEVICE FOR AN ENGINE  
A synchronization device for an engine is provided that has a first active sensor and a second active sensor. The first active sensor is adapted to determine an angular position of a first shaft...
US20120194122 DRIVE FOR A MACHINE WITH PULSE DECOUPLED WORKING POINT ADJUSTMENT  
A drive for providing high dynamics for a machine, such as a production machine, includes a short-stroke motor, and a pulse-decoupling device for decoupling pulses of the short-stroke motor from...
US20070159126 Bilateral servo controller  
A position (or angle, in a rotary motion) sensor and a force (or torque, in a rotary motion) sensor of a master that are required for the construction a conventional force-feedback or parallel...
US20090128080 SYSTEM AND METHOD FOR CONTROLLING MULTIPLE SERVO MOTORS  
The present invention discloses a method for controlling multiple servo motors, comprising: connecting a first plurality of servo motors in series; providing a corresponding switch in the series...
US20110243549 DRIVING FORCE TRANSMITTING DEVICE AND CAMERA PLATFORM DEVICE USING THE SAME  
A driving force transmitting device for driving a driven unit includes a first driving unit, a second driving unit, a driving force-transmitted portion which is attached to the driven unit and to...
US20140152230 MOTOR POWER INTERRUPTING DEVICE OF INJECTION MOLDING MACHINE  
A controller of an injection molding machine stores used/unused information in relation to each of the maximum number of controllable servo amplifiers, outputs an interruption request signal...
US20110089884 MULTI-ACTUATOR MOTION CONTROL SYSTEM  
A multi-actuator motion control system includes a control methodology that coordinates the motion of multiple actuators while limiting the force-fight between the actuators. Control logic is...
US20140306644 Electric Motor Control Device  
An electric motor control device for performing tandem control for driving one movable component includes, for each electric motor, a position controller, a speed controller, and a current...
US20100231158 SERVER CONTROLLER AND A METHOD FOR CONTROLLING A PLURALITY OF MOTORS  
Servo controller for controlling a plurality of motors including a master motor and a slave motor cooperatively driving a movable member. The servo controller is configured to control the master...
US20090289592 METHOD OF ADJUSTING A PLURALITY OF SUCCESSIVE POSITION-CONTROLLED AXES IN AN ADJUSTING STROKE  
A control axis is subordinated to a plurality of position-controlled successive axes. It is determined, while an adjusting stroke, an initial theoretical position value for each successive axis by...
US20060208677 Furniture item, and adjustment mechanism for a furniture item  
A furniture item includes a fixed first structure, a second structure, and a drive assembly for moving the second structure in relation to the first structure between predefined target positions....
US20100007302 METHOD AND DEVICE  
A method for controlling the movement of axles whose drives are connected for exchanging energy, in particular by connecting intermediate circuits of the converters respectively comprised by the...
US20090058348 MOTOR DRIVE CONTROL DEVICE AND IMAGE FORMING APPARATUS  
A motor drive control device for controlling a rotational speed of a motor includes: a motor driver for rotationally driving a motor; a correction amount calculating section for detecting a...
US20090085507 SIMULATED ENCODER PULSE OUTPUT SYSTEM AND METHOD  
The invention includes a system and method for generating simulated encoder outputs in a control system. An output pulse width between reference position inputs is computed, the output pulse width...
US20100109593 MULTI-DEGREE-OF-FREEDOM STAGE CONTROL SYSTEM  
There are included a plurality of actuators, an instruction generator for generating instructions of plural degrees of freedom, a position arithmetic unit for calculating positions of plural...
US20090245912 Motor control device, fluid ejection device, and motor control method  
A motor control device includes: a first motor that provides a driving force for rotating a roll on which a roll paper is wound to supply the roll paper from the roll; a second motor that provides...
US20110127942 Control System of Multi-Shaft Servo Motor  
The present invention relates to a control system of multi-shaft servo motor, wherein, comprises a position loop module (400) for receiving a position loop given value and a position feedback...
US20130026964 CONTROL DEVICE THAT DRIVES ONE DRIVEN OBJECT BY TWO MOTORS  
A control device that drives one driven object by a first motor and a second motor. A first processor has a first correction amount calculation unit configured to calculate an amount of correction...
US20100231157 NUMERICAL CONTROLLER HAVING AXIS RECONFIGURATION FUNCTION  
A numerical controller capable of performing axis reconfiguration of control axes in at least two paths without need for the paths to wait. A program block is read and it is determined whether or...
US20100171458 SERVO CONTROLLER  
A servo controller which drives one movable member 1 by means of a plurality of motors including one main motor 31 and at least one sub motor 41 includes: a main-motor controlling unit 30 for...
US20090167231 System and method for controlling electric motors to simulate a mechanical differential  
System and methods of controlling a plurality of motors based on a motor motion attribute, such as rotor position, velocity, or acceleration, which simulate the properties of a mechanical...
US20130134919 MOTOR CONTROL APPARATUS FOR SYNCHRONOUSLY CONTROLLING MASTER AXIS AND SLAVE AXIS  
A motor control apparatus for synchronously controlling a master axis motor for driving a master axis and a slave axis motor for driving a slave axis, includes: a master axis position detector...
US20130249464 Actuator Assembly with Preloaded Ball Screws  
An actuator assembly includes a first motor having a first transmission mechanism, a second motor having a second transmission mechanism, and a drive shaft operatively coupled to the first...
US20100253586 Dual Opposed Drive Loop Antenna Pointing Apparatus and Method of Operation  
A pointing apparatus and method of operation for an antenna mount provided with a base frame and an antenna mount rotatably coupled together. A first wheel rigidly coupled to one of the base frame...
US20140097783 CONVEYING SYSTEM  
A conveying system includes: a linear induction motor including a stator provided with a plurality of primary coils arranged along a conveying path and a mover provided movably along the conveying...
US20140292251 SYNCHRONOUS CONTROL UNIT FOR SYNCHRONIZING TWO SHAFTS WITH EACH OTHER  
In the first synchronous system of the synchronous control unit (1), movement commands of the first motor (23) and the second motor (13) made by the movement command making section (9), which are...
US20130008042 Control Device for a Parallel Slider Device, Control Method Therefor and Measuring Device Using Same  
In a parallel slider device, the two sliders are allowed to move in a smooth manner without interfering with each other. A same position command is given to a front servo controller for a front...
US20120299524 PARALLEL DRIVE SYSTEM  
To provide a parallel drive system that can reduce vibrations of an arm member and can realize positioning at a high speed even when a slave servomotor does not have a position detector, at a low...
US20150062554 MULTI-STAGE SYSTEM, A CONTROL METHOD THEREFOR, AND A LITHOGRAPHIC APPARATUS  
A multi-stage system includes a stator including a plurality of electric coils; a first stage including a first magnet assembly, the first stage moveable relative to the stator; a second stage...
US20100181955 MOTOR CONTROLLER FOR TANDEM CONTROL  
In position tandem control in which one movable member is driven by two motors, an output of the integral element of the velocity control unit in the control system for one motor is copied to the...
US20090059198 MOVABLE BODY DRIVE METHOD AND MOVABLE BODY DRIVE SYSTEM, PATTERN FORMATION METHOD AND APPARATUS, EXPOSURE METHOD AND APPARATUS, AND DEVICE MANUFACTURING METHOD  
A controller uses two Z heads, which are positioned above a reflection surface installed on the ±X ends of the upper surf ace of a table, to measure the height and tilt of the table. According to...
US20110169441 SYNCHRONOUS CONTROL APPARATUS  
A synchronous control apparatus to synchronously control a plurality of motors with respect to a control subject includes a command device and a plurality of motor control devices. The control...
US20140062377 ACTUATING APPARATUS  
An actuating apparatus has an actuator including a link having a plurality of joints and a plurality of motors for actuating the joints, and a controller for controlling the actuator. The...
US20120300186 MULTI-STAGE SYSTEM, A CONTROL METHOD THEREFOR, AND A LITHOGRAPHIC APPARATUS  
A method for controlling a multi-stage system includes a stator extending parallel to a first direction; a first and second stage that are moveable relative to the stator; the stages being...
US20140375829 MOVING MEMBER CONTROL APPARATUS AND IMAGING APPARATUS INCORPORATING THE SAME  
The invention disclosed herein provides a small-format image-shake correction apparatus and an imaging apparatus incorporating the same. The moving member control apparatus is comprising a base...
US20120319637 Synchronization control devices and methods  
Control systems are disclosed that control motion of a first movable body along a first trajectory in coordination with motion of a second movable body along a second trajectory. An exemplary...
US20120056572 APPARATUS AND METHODS FOR SYNCHRONIZED DISTRIBUTED CONTROLLERS  
Intelligent servomotor controller, including integrated servomotor controller having motor with rotor in first housing; rotor position encoder producing measured position of rotor; microprocessor...
US20110241594 SERVO CONTROL METHOD AND SERVO CONTROL APPARATUS  
A method according to an example of the present invention is a servo control method to be applied to a feed drive mechanism configured to drive an object to be driven by using a plurality of...
US20100239293 Moving body controlling device, intermediate transferring device, and image forming apparatus having the same  
A disclosed moving body controlling device includes a first moving body driven by a first motor that is controlled by a first control unit, a second moving body driven by a second motor that is...
US20170163190 Stepper Trajectory Driver  
A stepper control circuit includes numerical controlled oscillators configured to provide step signals for multiple axes of stepper motor movement. The numerical controlled oscillators are...
US20170149363 HYBRID CONNECTOR FOR A DRIVE SYSTEM, HYBRID BRIDGE AND ELECTROMOTIVE DRIVE SYSTEM  
A drive system with a plurality of electromotive drives, specifically servo drives, the electronics of which are interconnected or connectable by way of a hybrid bridge. The hybrid bridge has a...
US20170077845 POSITIONING ARRANGEMENT FOR MOVING AN OBJECT THAT IS TO BE POSITIONED  
A positioning arrangement is provided for moving an object that is to be positioned (9) with at least one positioning axis (11), wherein at least two electric motors (6) for moving the object that...
US20170075337 CONTROL DEVICE FOR MACHINE TOOL HAVING A PLURALITY OF AXES  
A control device for a machine tool for cutting a rotationally-symmetric workpiece by a tool, includes a machining command making unit for making a machining command for an auxiliary motor based...
US20170063285 MOTOR DRIVE DEVICE ASSEMBLY INCLUDING PLURALITY OF MOTOR DRIVE DEVICES, AND MOTOR DRIVE DEVICE INCLUDING HEATSINK  
A motor drive device assembly capable of suppressing differences in temperatures of motor drive devices depending on operational conditions. The motor drive device assembly includes a first motor...

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