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US20110056707 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...
US20150115862 MOTOR CONTROL APPARATUS AND MOTOR SYSTEM  
A motor control apparatus includes a position and speed estimator configured to output a new estimated motor position and an estimated motor speed based on a position estimation deviation that is...
US20130257339 REAL-TIME SERVO MOTOR CONTROLLER BASED ON A LOAD WEIGHT  
The present disclosure relates to a real-time servo motor controller based on a load weight capable of not only adaptively controlling the servo motor even when load inertia varies in accordance...
US20100066296 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...
US20120068658 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...
US20130257338 MOTOR CONTROL CIRCUIT  
To provide a motor control circuit that variably controls the speed of a motor, in which an appropriate control gain corresponding to the speed of the motor that is set can be automatically set....
US20090102409 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...
US20130026963 ELECTRIC MOTOR CONTROLLER COMPRISING FUNCTION FOR SIMULTANEOUSLY ESTIMATING INERTIA, FRICTION, AND SPRING  
A sinusoidal command is added to a torque command of a controller to acquire a velocity and a current value of an electric motor. An estimated coupling torque value is calculated by calculating an...
US20150115860 Motion-Control System for Performing Different Tasks  
A motion-control system for moving a mass according to different tasks includes at least one controllable actuator for performing the different tasks and an input module for receiving a specific...
US20140320057 POSITION CONTROLLER  
A position controller sets a variable friction compensation value which varies in accordance with a change in sliding characteristics by providing a variable friction compensation value...
US20110254495 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...
US20140292248 MOTOR CONTROLLER AND MOTOR SYSTEM  
A motor controller includes a position speed estimation section and a control section. The position speed estimation section outputs a motor estimated position and a motor estimated speed based on...
US20100295496 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....
US20110031923 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...
US20110254496 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...
US20100225265 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...
US20130154537 MOTOR CONTROL APPARATUS  
A motor control apparatus that controls rotation of a rotor of an electric motor powered from an electric power source includes a learning portion that executes an initial drive learning process,...
US20090108791 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...
US20110025113 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...
US20140316664 Aggressive and Stable Speed Control  
A system and method are provided for controlling a movable element in accordance with a speed command. The movable element, which may be an excavator swing platform, is moved via an actuator that...
US20080309272 Motor Controller and Control Method Thereof  
The present invention provides a motor controller and a motor control method in which displacement does not arise even when an external force is present during the identification of inertia. In...
US20080169778 AXIS-OF-ROTATION POSITION CONTROL DEVICE  
When performing numerical control of a rotary table, the moment of inertia and the center of gravity of a control target change because of a placed object fixed onto the rotary table. A rotary...
US20080162000 Motion-control system  
A motion-control system includes an operator interface with an operator-input member and a controllable force feedback device drivingly connected to the operator-input member. The motion-control...
US20110169440 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...
US20100156335 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...
US20150198935 MOTOR CONTROL APPARATUS  
This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a phase compensation part. The current conversion...
US20140300308 SERVO CONTROL DEVICE  
A reference model unit calculates a model position, with which a model of a controlled object follows a position command, and a model torque for the model of the controlled object to operate to...
US20130009587 MOTOR CONTROL DEVICE  
A motor control device has a motor driving unit that drives a motor, a current detecting unit that detects a motor current flowing through the motor, a control unit that compares a detected...
US20140152229 METHOD AND DEVICE FOR CALIBRATING A POSITIONER SYSTEM HAVING AN ELECTRONICALLY COMMUTATED SERVOMOTOR  
A method for calibrating a positioner system that has an electronically commutated servomotor and a counterforce-loaded actuator coupled thereto includes actuating the servomotor such that a first...
US20150198934 MOTOR CONTROL APPARATUS  
This disclosure discloses a motor control apparatus including a current conversion part, a voltage control part, a current detection part, and a current estimation part. The current conversion...
US20150177710 Motor Control Device  
Control parameters such as an acceleration/deceleration time constant Tf, a position loop gain Kpf, a velocity loop proportional gain Pvf, and a velocity loop integral gain Ivf, each including...
US20140139170 METHOD FOR AUTOMATICALLY ESTIMATING INERTIA IN A MECHANICAL SYSTEM  
Systems and methods for estimating an inertia and a friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia estimator can generate a torque...
US20100123421 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...
US20150015173 MOTOR CONTROL DEVICE  
A motor control device includes a model control system that controls a motor machine model position using a target value (a position instruction after differentiation) related to a position...
US20130188277 PIEZOELETRIC DEVICE DRIVE METHOD, PIEZOELECTRIC DEVICE DRIVE APPARATUS, AND MAGNETIC DISK DEVICE  
According to one embodiment, a piezoelectric device drive method includes measuring gains including a first gain by applying voltages including a first voltage to a piezoelectric device at a first...
US20100231156 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,...
US20140139169 Reduction Of Periodic Disturbances  
A method of reducing periodic disturbances in the feedback quantity of a controlled system is disclosed. The method includes receiving a feedback signal and repeatedly deriving respective...
US20080094018 MOTOR CONTROLLING METHOD, MOTOR CONTROLLING DEVICE, ORIGINAL READING APPARATUS, AND STORAGE MEDIUM HAVING PROGRAM STORED THEREON  
A motor controlling method according to the present invention involves causing rotation of a motor to commence by applying an initial power that can cause movement of an object to be transported...
US20100194327 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...
US20130076287 NUMERICAL CONTROLLER HAVING DISPLAY FUNCTION FOR TRAJECTORY OF TOOL  
A numerical controller capable of visually and accurately analyzing a change of the tool trajectory before and after changing a processing condition, whereby a parameter of a drive axis can be...
US20100253274 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...
US20100295495 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...
US20060055357 Method and device for identification of the parameters of an electro-mechanical system  
The present invention relates to a method for identification of the parameters of an electro-mechanical system, in particular an electro-mechanical servo system, comprising a mass actuated by a...
US20110001448 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: Determination of a preliminary...
US20100052593 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...
US20080284358 Controller for Electromechanical Braking System with Power Demand Control and Method  
A system and method for limiting peak power demand of a controller (26) for an electromechanical actuator A motor current command is limited to at least one of a positive current limit or a...
US20110074330 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,...
US20150160625 CONTROL APPARATUS AND SHIFT-BY-WIRE SYSTEM HAVING THE SAME  
A control apparatus controlling a motor for driving an object includes: a relay allowing and interrupting electric power supply to the motor; switching devices in multiple phases for allowing and...
US20090315499 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...
US20100148714 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...

Matches 1 - 50 out of 90 1 2 >