Patents
Sitemap › G05 - Controlling; Regulating › G05B - Control or regulating systems in general; Functional elements of such systems; Monitoring or testing arrangements for such systems or elements › G05B 21 - Systems involving sampling of the variable controlled
Patents for G05B 21 - Systems involving sampling of the variable controlled (1,466)
11/1993
11/24/1993CN1022865C High Resolution pulse width modulation
10/1993
10/26/1993US5257206 Statistical process control for air separation process
10/26/1993US5256952 Magnetic bearing control method and apparatus
10/05/1993US5250887 Feedback controller
09/1993
09/30/1993WO1993019408A1 Control device for maintaining an object in a given position
09/21/1993US5245830 Adaptive error correction control system for optimizing stirling refrigerator operation
08/1993
08/24/1993US5239456 Method and apparatus for process control with opimum setpoint determination
08/05/1993DE4202578A1 Adaptive process for identification of multi degree of freedom systems - comparing responses of model and system compared to define function for each degree of freedom of system
08/04/1993EP0553356A1 Method and apparatus for prediction repetition control of servo motor
08/03/1993US5233542 Method and circuit configuration for forming an evaluation signal from a plurality of redundant measurement signals
06/1993
06/15/1993US5220265 Discrete-type repetitive control method and an apparatus therefor
05/1993
05/04/1993CA1317372C Disk file digital servo control system with optimized sampling rate
04/1993
04/15/1993WO1993007089A1 Method of controlling wastewater purification plants using quality evaluation of measuring data
04/15/1993WO1993007088A1 Method of controlling wastewater purification plants using multiple control functions
04/13/1993US5202821 Sampled-data control system exhibiting reduced phase loss
04/13/1993US5202586 Sample-and-hold circuit
04/01/1993DE4231561A1 Optical disc system head position control system - has digital controller with sample=and=hold stage and with phase compensation to prevent resonant peak in response characteristic.
03/1993
03/25/1993CA2078803A1 Positioning controller
03/23/1993US5196997 Method and apparatus for quality measure driven process control
02/1993
02/02/1993US5184292 Closed-loop control method and apparatus
01/1993
01/26/1993US5182506 Position control device and method of a robot system
01/07/1993WO1993000622A1 Control system employing early-off hold function
01/07/1993WO1993000617A1 A sampled-data control system exhibiting reduced phase loss
01/07/1993EP0521749A1 Process and apparatus for regulating a metallurgical treatment made on a moving substrate
01/06/1993CN1067750A Feedback controller
01/05/1993US5177695 Device and method for adaptive digital power control
01/02/1993CA2070943A1 Process for the regulation of a moving product metallurgical treatment, and means for the implementation of this process
12/1992
12/15/1992US5172048 Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor
12/09/1992EP0516895A1 A method for the adaptive stochastic control of a process
12/02/1992CN1066618A Statistical process control for air separation process
11/1992
11/19/1992EP0514104A2 Real-time statistical process monitoring system
11/12/1992WO1992020019A1 Method and apparatus for prediction repetition control of servo motor
11/04/1992EP0511461A2 Control apparatus for mechanical devices
10/1992
10/28/1992EP0510649A2 Feedback controller
10/14/1992EP0508386A2 Statistical process control for air separation process
10/09/1992CA2065498A1 Statistical process control for air separation process
09/1992
09/22/1992US5150289 Method and apparatus for process control
09/02/1992EP0500811A1 Process and circuit for improving the dynamics of regulating circuits or measuring paths
07/1992
07/29/1992EP0496266A1 Method and apparatus for quality measure driven process control
07/22/1992EP0495630A1 Distribution generation system, and optimization system that adopts distribution generation system
06/1992
06/16/1992US5122718 Gain/phase compensation circuit for use in servo control system of optical disk device
06/02/1992US5119287 Optimum tracking control method for periodic target value
05/1992
05/06/1992EP0483364A1 Discrete type repetition control method and apparatus therefor
03/1992
03/11/1992EP0474026A2 Analog-to-digital conversion system using conversion command words
02/1992
02/05/1992EP0469771A2 Method and apparatus for process control
12/1991
12/11/1991EP0304453B1 Digital integral module for sampling control systems
12/10/1991US5072358 Process controller
10/1991
10/31/1991WO1991016674A1 Discrete type repetition control method and apparatus therefor
10/15/1991CA1290857C Updating physical property correlations with laboratory data
09/1991
09/05/1991WO1991011758A3 Process and circuit for improving the dynamics of regulating circuits or measuring paths
08/1991
08/14/1991EP0440720A1 Signal processing means for identifying systems subject to periodic disturbances
08/08/1991WO1991011758A2 Process and circuit for improving the dynamics of regulating circuits or measuring paths
07/1991
07/24/1991CN1053305A Electromechanically integrated rotating speed counting collection unit
06/1991
06/26/1991EP0433733A1 Device for measuring the number of revolutions of the shaft of a permanent magnet electric motor
06/11/1991US5023535 High resolution pulse width modulation
05/1991
05/15/1991EP0426818A1 Method and means for monitoring of continuous casting
05/08/1991EP0425898A1 Process for controlling the transmission of measured values from a sensor to a central control unit using an input/output module
04/1991
04/10/1991EP0421780A2 Multifunction control of a prosthetic limb using syntactic analysis of the dynamic myoelectric signal patterns associated with the onset of muscle contraction
03/1991
03/27/1991EP0418832A2 Control method and apparatus
03/07/1991DE4026850A1 Filtering signal with information and carrier frequency components - measuring information signal amplitude by frequency double that of carrier frequency
03/06/1991EP0415281A2 Signal formation evaluation method and circuit from a plurality of redundant measure signals
02/1991
02/28/1991CA2019795A1 Digital notch filter
01/1991
01/02/1991EP0405924A2 Analog to digital input operating system
12/1990
12/27/1990CA2014252A1 Analog to digital input operating system
11/1990
11/21/1990CN1047135A 高分辨率脉冲宽度调制 High-resolution pulse width modulation
11/21/1990CN1010510B Power transmission
11/15/1990WO1990013375A1 Method and means for monitoring of continuous casting
11/07/1990EP0260259B1 A method and an apparatus for automatically tuning a process regulator
10/1990
10/24/1990EP0393650A2 High resolution pulse width modulation
09/1990
09/26/1990EP0388958A2 Gain/phase compensation circuit for use in servo control system of optical disk device
09/12/1990EP0387191A1 Method for connecting a programmable control device with operating and/or display elements, and circuit arrangement for a programmable control device
08/1990
08/14/1990US4949237 Digital integrating module for sampling control devices
05/1990
05/16/1990EP0368366A2 Method for detecting a time-variable signal between a stationary initial state and a stationary final state
05/03/1990WO1990004820A1 Signal processing means for identifying systems subject to periodic disturbances
04/1990
04/25/1990CN1007756B Power transmission
04/17/1990US4918584 Self-adjusting servo device and method
12/1989
12/05/1989US4885676 Control loop instability detection and correction apparatus
11/1989
11/29/1989CN2048583U Analysis and purifying device for boiling kiln gas
09/1989
09/27/1989EP0333870A1 Control system that best follows periodical setpoint value
09/21/1989WO1989008873A1 Control loop instability detection and correction apparatus
08/1989
08/08/1989US4855897 Method and apparatus for statistical set point bias control
07/1989
07/19/1989EP0324006A1 Control method and apparatus with biased set point
07/11/1989US4847793 Updating physical property correlations with laboratory data
06/1989
06/20/1989US4841208 Position control system including a quick response control
05/1989
05/31/1989EP0317870A1 Method and device for calculating a differential function
03/1989
03/28/1989US4816941 Disk file digital servo control system with optimized sampling rate
03/23/1989WO1989002617A1 Control system that best follows periodical setpoint value
03/22/1989EP0308062A2 Disk file digital servo control
03/01/1989EP0304453A1 Digital integral module for sampling control systems.
01/1989
01/26/1989WO1989000723A1 Method and apparatus for statistical set point bias control
12/1988
12/13/1988US4791548 Discrete time control apparatus
11/1988
11/30/1988EP0292749A2 Method for defining the parameters of a delay element of the n-th order with the same time constants
11/15/1988US4785223 Method of and an apparatus for generating a pulse train
10/1988
10/04/1988CA1242820A1 Process for the display of time-variable physical quantities and system making it possible to perform this process
09/1988
09/27/1988US4774651 Power transmission
09/22/1988WO1988007230A1 Digital differential module for sampling control systems
08/1988
08/09/1988CA1240398A1 Process for controlling a parameter based upon filtered data
07/1988
07/26/1988CA1239683A1 Power transmission
07/19/1988US4758943 Method and an apparatus for automatically tuning a process regulator
07/13/1988EP0274046A1 Power servo system
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