Patents for G05B 5 - Anti-hunting arrangements (1,325)
10/2004
10/28/2004US20040215356 Method for controlling a discrete system
10/27/2004EP1470454A1 Controllers for multichannel feedforward control of stochastic disturbances
10/21/2004US20040210324 Apparatus, method and program for physical state controller
10/19/2004US6806672 Movable barrier operator
10/13/2004EP1466219A1 Method of ascertaining control parameters for a control system
10/13/2004EP1281106B1 Sensor placement and control design for distributed parameter systems
10/12/2004US6804618 Detection and discrimination of instabilities in process control loops
10/07/2004US20040199323 Plant control device
10/07/2004US20040199269 Partitioned control system and method
10/07/2004US20040195986 Movable barrier operator
10/07/2004DE102004011441A1 Motorsteuervorrichtung The motor control apparatus
10/05/2004US6801010 Vibration suppression positioning controller
09/2004
09/28/2004US6799082 Process control methods and apparatus
09/22/2004EP1459141A1 Self tuning pull-down fuzzy logic temperature control for refrigeration systems
09/16/2004WO2004079462A1 Control system having virtual power monitor for realizing function to evaluate/analyze stability of control object
09/16/2004US20040180247 Hydrogen producing apparatus and power generating system using it
09/16/2004US20040178759 Motor driving device
09/15/2004EP1457846A2 Improving stability and response of control systems
09/15/2004EP1455987A1 Apparatus and method for reducing oscillating tool-induced vibrations
09/10/2004WO2004077179A1 Servo control device
09/02/2004US20040172171 Control structure for the active damping of low-frequency oscillations in numerically controlled machine tools
09/01/2004EP1452937A1 Valve position system
09/01/2004EP1451649A1 Detection and discrimination of instabilities in process control loops
09/01/2004CN1165043C Combined prism, optical head, and optical recording/reproducing device
08/2004
08/26/2004US20040167746 Method and system for establishing operational stability prior to determining temperature correction factors for a generator
08/24/2004US6781340 Method for detecting oscillation criticality of servo control system
08/19/2004WO2004069490A1 Scaling and parameterizing a controller
08/19/2004DE10361698A1 Einstellverfahren und Vorrichtung für automatische Krafteinstellung einer beweglichen Barriere Setting and apparatus for automatic power adjustment of a movable barrier
08/11/2004EP1445676A2 Valve position system
08/03/2004US6772044 Sensor placement algorithm uses process data to determine the optimal distribution of sensors in a distributed parameter manufacturing system
07/2004
07/29/2004WO2004063641A2 Feedforward control for absorption chiller
07/29/2004US20040148059 Limit cycle autotuning method and heat/cool control apparatus
07/29/2004US20040145332 Current profile method and apparatus for controlling gate operation
07/29/2004DE10301765A1 Reglerstruktur zur aktiven Dämpfung niederfrequenter Schwingungen an numerisch gesteuerten Werkzeugmaschinen Controller structure for active damping of low-frequency oscillations in numerically controlled machine tools
07/28/2004EP1441266A2 Valve positioner system
07/21/2004EP1439437A1 Method for active damping of low frequency oscillations in numerically controlled machine tools
07/21/2004CN1514960A System and method for controlling and configuring mass flow controller
07/13/2004US6763271 Tracking sustained chaos
07/06/2004US6760633 Method and apparatus for predicting stability of a closed loop apparatus
07/01/2004WO2004055606A1 Repetitive controller and drive servo system including it
07/01/2004US20040124801 Movable barrier operator auto-force setting method and apparatus
06/2004
06/30/2004CA2820424A1 Movable barrier operator auto-force setting method and apparatus
06/30/2004CA2812098A1 Movable barrier operator auto-force setting method and apparatus
06/30/2004CA2729357A1 Movable barrier operator auto-force setting method and apparatus
06/22/2004US6754542 Control arithmetic apparatus and method
06/10/2004WO2004025499A9 Jerk limited time delay filter
06/09/2004DE10255855A1 Torque ripple compensation method in pulse width modulated machine, involves damping transient disturbances using fixed feedback controller and rejecting steady disturbances using adaptive controller
06/01/2004US6745084 Valve positioner system
06/01/2004US6744231 Movable barrier operator
06/01/2004US6742391 Feed system controlling method and apparatus for machine tool
06/01/2004US6742347 Feedforward control for absorption chiller
05/2004
05/26/2004EP1422584A1 Control apparatus for plant
05/11/2004CA2367933C Door operator system
05/05/2004CN1494666A Self tuning pull-down fuzzy logic temp control for refrigeration systems
05/04/2004US6729139 Engine control system
04/2004
04/22/2004WO2004034163A1 Optimal instruction creation device
04/20/2004US6724264 Controller for a device with change in characteristics
04/20/2004US6724166 Apparatus for reducing motor driving noise and method for generating motor driving noise reducing signal
04/15/2004DE10296410T5 Brennkraftmaschinenverzögerungskompensation Internal combustion engines delay compensation
04/13/2004US6721608 Partitioned control structure
04/13/2004US6720747 Moveable barrier operator
04/08/2004US20040068349 Method and apparatus for rotary machine vibration control
04/01/2004US20040061609 Vibration suprresion positioning controller
03/2004
03/31/2004CN1486452A 控制系统和控制装置 Control system and control means
03/25/2004WO2004025499A1 Jerk limited time delay filter
03/25/2004US20040056621 Movable barrier operator
03/25/2004DE10200680B4 Minimale Schwingungsanregung beim Verfahren mit Ruckbegrenzung durch Adaption von Ruckprofilen Minimal vibration excitation in the method with jerk limitation by adaptation of jerk profiles
03/23/2004US6710560 Movable barrier operator
03/18/2004US20040054427 Method and a system for evaluating whether a signal is suitable for feed-forward control
03/11/2004US20040049527 Jerk limited time delay filter
02/2004
02/26/2004US20040037095 Distributed control method
02/19/2004WO2004015503A1 Device and method for controlling a reactor
02/19/2004DE10235418A1 Control device for a reactor, e.g. fuel cell or reformer, has a control unit producing a control signal with an equal part depending on the acquired parameter and a component oscillating with a first frequency
02/12/2004US20040030416 Efficient adaptive feedforward periodic disturbance compensation
02/10/2004US6690136 Numerical controlling unit
01/2004
01/29/2004WO2003073183A3 Apparatus and method for digital control systems
01/29/2004DE10229905A1 Verfahren und Vorrichtung zum Erfassen des Einschwingzeitpunkts eines Reglers Method and apparatus for detecting the Einschwingzeitpunkts a controller
01/28/2004EP1385068A2 Sensor placement and control design for distributed parameter systems
01/28/2004EP1384121A2 System and method for a mass flow controller
01/28/2004CN1470375A Electric injection moulding machine
01/27/2004US6684114 Efficient adaptive feedforward periodic disturbance compensation
01/27/2004US6683431 Movable barrier operator
01/20/2004US6680607 Method of detecting steady-state convergence of a signal
01/15/2004WO2004006029A1 Plant control device
01/14/2004CN1134630C Improved control for absorption refrigerator
01/13/2004US6677720 Control system for vehicle seat
01/08/2004US20040006400 Method and device for calculating the steady-state time point of a controller
01/08/2004US20040005378 Electric injection molding machine
01/07/2004EP1378806A1 Electric injection molding machine with servo motor controlled through pressure control loop
12/2003
12/23/2003US6668202 Position control system and velocity control system for stage driving mechanism
12/17/2003CN1131466C Method for predicting overshoot in control system response
12/16/2003US6664852 Apparatus and method for digital control systems
12/10/2003CN1460908A Control equipment
12/02/2003US6658326 Noise reduction system and method
11/2003
11/26/2003CN1129051C Driving control circuit, driving control method and electric equipment
11/20/2003US20030216887 Statistical process control method and system thereof
11/20/2003US20030216823 Control apparatus
11/20/2003US20030214281 Method of detecting steady-state convergence of a signal
11/18/2003US6650076 Current profile method and apparatus for controlling gate operation
11/06/2003US20030205980 Movable barrier operator
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