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| Application No. | Application Title | Issue Date |
| 20120068658 | System And Method For Setting Machine Limits A system and method for setting machine limits include setting a limit for a machine parameter, setting a temporal operating range for the machine, and setting a temporal step. The machine is operated over the operating range and the machine parameter is measured. A fir... | 03/22/2012 |
| 20120043920 | SYSTEM AND METHOD FOR OPERATING AN EXOSKELETON ADAPTED TO ENCIRCLE AN OBJECT OF INTEREST This invention relates to a servo system for operating an exoskeleton adapted to encircle an object of interest and for supplying a force thereon. A servomotor is coupled to a power source and operates the position of the exoskeleton and thus the force exerted by the ex... | 02/23/2012 |
| 20120019185 | METHODS FOR CONTROLLING ONE OR MORE POSITIONING ACTUATORS AND DEVICES THEREOF A method, computer readable medium, and apparatus for controlling a moveable element includes generating and providing with a control device one or more driving signals to one or more positioning actuators to move the moveable element towards a target position based on ... | 01/26/2012 |
| 20110304293 | DRIVING APPARATUS A driving apparatus has a correction value output unit for outputting correction values ΔTa and ΔTb to correct differences between signals which are output from an A sensor a B sensor when an A-phase coil and a B-phase coil are not energized and signals which are outp... | 12/15/2011 |
| 20110254496 | Method and Apparatus for Characterizing and Enhancing the Functional Performance of Machine Tools Disclosed are various systems and methods for assessing and improving the capability of a machine tool. The disclosure applies to machine tools having at least one slide configured to move along a motion axis. Various patterns of dynamic excitation commands are employed... | 10/20/2011 |
| 20110254495 | Method and Apparatus for Characterizing and Enhancing the Dynamic Performance of Machine Tools Disclosed are various systems and methods for assessing and improving the capability of a machine tool. The disclosure applies to machine tools having at least one slide configured to move along a motion axis. Various patterns of dynamic excitation commands are employed... | 10/20/2011 |
| 20110187305 | SERVO CONTROL DEVICE AND RECORDING MEDIUM A disclosed servo control device includes a servo control unit configured to control a driving unit for driving a driven body with servo control, and a changing unit configured to change a timing of ending the servo control in response to stop position accuracy for a ta... | 08/04/2011 |
| 20110169440 | MACHINE TOOL A machine tool includes a time calculation unit calculating the time for a spindle to arrive at a target rotational speed, and the time for a spindle head to arrive at a target position; a comparison unit comparing the time to arrive at the target rotational speed and t... | 07/14/2011 |
| 20110133681 | SERVOMOTOR CONTROL SYSTEM ENABLING HIGH-SPEED OSCILLATING MOTION TO BE HIGHLY PRECISE A servomotor control system that includes a numerical control unit and servo control unit enables the use of learning control based on an angle synchronization method in high-speed oscillating motion performed by, for example, a jig grinder. The numerical control unit c... | 06/09/2011 |
| 20110074330 | AUTO-TUNE OF A CONTROL SYSTEM BASED ON FREQUENCY RESPONSE A method and system of determining tuning parameters for use in tuning a controller used in a process control loop for a motor and associated load. The method includes providing tuning parameters, applying an excitation test signal, receiving frequency response data to ... | 03/31/2011 |
| 20110056707 | Fire-Extinguishing System and Method for Operating Servo Motor-Driven Foam Pump Embodiments of the invention provide a fire-extinguishing system and method for injecting foamant into a stream of water. The system can include a flow meter determining a flow rate of the stream of water and a foam pump having an inlet coupled to a supply of foamant an... | 03/10/2011 |
| 20110031923 | APPARATUS EQUIPPED WITH MOTOR AND DRIVING METHOD FOR THE MOTOR An apparatus including a DC motor includes a driven member configured to be driven by the DC motor, and a drive control unit configured to define a plurality of predetermined phases of the DC motor as target stop phases and to cause the DC motor to make at least one rot... | 02/10/2011 |
| 20110025113 | METHOD FOR CONTROLLING THE KINEMATICS OF A SEAT HAVING MOVABLE PORTIONS BY SPACE OF FREEDOM AND SEAT CARRYING IT OUT A method for controlling the kinematics of a seat (10) having movable portions (16, 18, 20, 22) and actuators (24, 25, 26, 27) for moving the movable portions between an initial position and a final position, at least one movable portion including a... | 02/03/2011 |
| 20110001448 | Method For The Automated Startup And/Or For The Automated Operation Of Controllers Of An Electrical Drive System With Vibrational Mechanics As Well As An Associated Device Method for the automated startup and/or for the automated operation of controllers of an electrical drive system with vibrational mechanics with the following steps:
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| 20100302526 | Drive control method for moving body, exposure method, robot control method, drive control apparatus, exposure apparatus and robot apparatus A drive control apparatus includes: a first feed-forward control unit which obtains a first feed-forward signal by applying a first perfect tracking control method to a first transfer function which shows a portion of an inverse system of transfer characteristics of a c... | 12/02/2010 |
| 20100295496 | SERVOMOTOR CONTROLLER FOR CONTROLLING PERIODIC RECIPROCATION A servomotor controller capable of properly generating reference positions, by which learning control of angle based method may be applied to the periodically reciprocating motion of an object. The learning controller obtains a first positional deviation of a driven obj... | 11/25/2010 |
| 20100295495 | SERVO CONTROL APPARATUS THAT PERFORMS DUAL-POSITION FEEDBACK CONTROL A servo control apparatus that performs dual-position feedback control and thereby achieves a reduction in position error according to the purpose of machining. The servo control apparatus includes: a first position detector for detecting the position of a motor; a seco... | 11/25/2010 |
| 20100253274 | POWER TUNING AN ELECTRIC SYSTEM A method of power tuning an electric system, the electric system including an electric machine and a control system for driving the electric machine in response to control values stored in a power map. The method includes loading the control system with a first power ma... | 10/07/2010 |
| 20100231156 | METHOD FOR ANALYZING THE OPERATION OF AN ELECTROMECHANICAL ACTUATOR FOR THE MOTORIZED MANEUVERING OF A SCREEN AND ACTUATOR FOR ITS IMPLEMENTATION Method of operating an actuator (1) for maneuvering a movable element (52), comprising a motor of asynchronous type or of brushless type or comprising a motor associated with a differential brake, and comprising a partially irreversible reduction gear, whi... | 09/16/2010 |
| 20100225265 | Accurate and Versatile Back EMF Sensor A filter representing a complex impedance of a motor system based on a deviation between a first voltage driven by a command signal and a second voltage driven by the command signal can be dynamically adjusted. The motor system can be held in a steady state, eliminating... | 09/09/2010 |
| 20100201300 | Control Techniques for Motor Driven Systems Embodiments of the present invention provide a motor-driven mechanical system with a detection system to measure properties of a back channel and derive oscillatory characteristics of the mechanical system. Uses of the detection system may include calculating the resona... | 08/12/2010 |
| 20100194327 | MOTOR CONTROLLER A motor controller capable of detecting an oscillation of a feedback loop and performing gain adjustment while updating a gain value of a control unit is provided. The motor controller includes an electric motor, an operation-amount detector, a control unit, a machine, ... | 08/05/2010 |
| 20100182585 | CONTROL SYSTEM, LITHOGRAPHIC APPARATUS AND A METHOD TO CONTROL A POSITION QUANTITY OF A CONTROL LOCATION OF A MOVABLE OBJECT A control system configured to position a control location of a movable object in two or more degrees of freedom with respect to another object, including a set-point generator, a position quantity measurement system, a controller including a single input-single output ... | 07/22/2010 |
| 20100156335 | METHOD OF DETERMINING THE GAIN OF A BEMF AMPLIFIER AND RELATIVE CONTROL CIRCUIT OF AN INDUCTION ELECTRIC MOTOR A method for determining gain of a back-electromotive force amplifier may include setting an electric motor into a tri-state function mode and storing a first quasi steady-state value for back-electromotive force from the difference signal, and forcing a reference curre... | 06/24/2010 |
| 20100148714 | INERTIA ESTIMATING CONTROLLER AND CONTROL SYSTEM A controller and a control system capable of estimating inertia of an article to be driven in a short period of time, with a small operation range of an electric motor. The controller for the motor has an inertia estimating part which includes a sine-wave command genera... | 06/17/2010 |
| 20100123890 | LITHOGRAPHIC APPARATUS AND CONTROL SYSTEM A control system to control a position quantity of a movable object in dependency of signals provided by a sensor representing an actual position quantity of the moveable object, the control system being configured to provide a drive signal to an actuator which is able ... | 05/20/2010 |
| 20100123421 | HVAC ACTUATOR WITH OUTPUT TORQUE COMPENSATION An HVAC actuator, such as a spring return actuator, may adjust the maximum output torque of the motor with the varying spring return force of the HVAC actuator as the HVAC actuator moves through its range of motion. In some cases, this may provide a more constant force ... | 05/20/2010 |
| 20100085003 | APPARATUS AND METHOD FOR CONTROLLING AN ACTUATOR A controller for an actuator estimates the torque required to accelerate and decelerate an actuator and calculates a trajectory to a desired position based on the estimated torque requirements. The controller then determines an appropriate step size to move the actuator... | 04/08/2010 |
| 20100066296 | METHOD FOR ADAPTING CONTROLLER PARAMETERS OF A DRIVE TO DIFFERENT OPERATING STATES A method is provided for adapting controller parameters of a drive to different operating states. A control loop includes a PID controller whose I gain factor is adapted to a drive velocity and/or whose D gain factor is adapted to a drive current, and consequently to a ... | 03/18/2010 |
| 20100052593 | SERVO MOTOR CONTROL APPARATUS AND CONTROL METHOD A servo motor control apparatus having a feedback loop includes: an oscillation detecting section, which detects oscillation of the feedback loop, to output an oscillation detection signal; a parameter operating section, which gives an operational instruction to set a c... | 03/04/2010 |
| 20100014186 | POSITION CONTROL APPARATUS AND DISK APPARATUS USING THE SAME According to one embodiment, a position control apparatus includes: a digital control module that performs position control including disturbance adaptive control with a predetermined sampling period with the use of a control constant, in accordance with a position erro... | 01/21/2010 |
| 20100014185 | POSITION CONTROL APPARATUS AND DISK APPARATUS USING THE SAME According to one embodiment, a position control apparatus includes: a digital control module that performs position control including disturbance adaptive control with a predetermined sampling period using a control constant, in accordance with a position error between ... | 01/21/2010 |
| 20100014184 | POSITION CONTROL APPARATUS AND DISK APPARATUS USING THE SAME According to one embodiment, a position control apparatus includes: a digital control module that performs position control including disturbance adaptive control with a predetermined sampling period using a control constant, in accordance with a position error; and a t... | 01/21/2010 |
| 20090315499 | Robust Timed Switching Control with State Measurement A mechanism for empirically deriving the values of the damping ratio and frequency of the mechanism driven by a servo-controlled control system is disclosed. In accordance with the illustrative embodiment, the values of the damping ratio and frequency are continually re... | 12/24/2009 |
| 20090153091 | IMAGE FORMATION APPARATUS An error detector determines whether or not there is a frequency error. In a case where it is determined that there is the frequency error, the error detector further determines whether or not the frequency error stays within a targeted error range. In a case where it i... | 06/18/2009 |
| 20090108791 | MOTOR CONTROL APPARATUS At an initial drive operation after turning on of an electric power source, an ECU sequentially changes each current exciting phase among multiple phases through one complete cycle at a predetermined time schedule, so that a rotational position of a rotor and the corres... | 04/30/2009 |
| 20090102410 | MACHINE TOOL, PRODUCTION MACHINE AND/OR ROBOT A machine tool, production machine or robot includes an electric motor with a memory, and a device for open-loop and/or closed-loop control of the electric motor. The device can determine operating data of the motor, transfer the operating data to the memory, and store ... | 04/23/2009 |
| 20090102409 | CONTROL DEVICE WITH LEARNING FUNCTION FOR ELECTRIC MOTORS A control device for electric motors, capable of precisely moving one object by using two electric motors based on periodically repeated commands. The control device includes a first learning controller for calculating an amount of correction so that a positional deviat... | 04/23/2009 |
| 20090091284 | MOTOR CONTROL APPARATUS A P-range side delimiting position of a movable range of a range change mechanism is learned by rotating a motor to a corresponding rotational position, which corresponds to the P-range side delimiting position. A climb correction amount is set for a learning value of t... | 04/09/2009 |
| 20090091283 | Servo Control Apparatus for a Linear Motor A servo control apparatus for a linear motor comprises a position feedback device, a driver and a position compensating device that are connected with one another. The servo control apparatus is electrically connected to the linear motor. By such arrangements, it can no... | 04/09/2009 |
