Patents for G05B 21 - Systems involving sampling of the variable controlled (1,466)
06/1988
06/15/1988CN87107341A Power transmission
03/1988
03/30/1988EP0261765A2 Updating physical property correlations
03/29/1988US4734867 System for displaying evolution of one physical parameter compared with development of another physical parameter
03/29/1988US4734630 Method and apparatus for phase comparison adapted to produce an error signal against an input signal having a relatively wide range of phase and frequency variation
03/23/1988EP0260259A1 A method and an apparatus for automatically tuning a process regulator.
02/1988
02/09/1988US4724366 For digitally controlling the supply of power
02/02/1988US4722830 Automated multiple stream analysis system
01/1988
01/07/1988DE3716539A1 Method and circuit arrangement for implementing an adaptive sampled-data controller
12/1987
12/22/1987US4714866 Rate-of-change signal generator using sampling techniques
11/1987
11/17/1987US4707779 Process for controlling a parameter based upon filtered data
11/11/1987EP0244980A2 Rate-of-change signal generator and method using sampling techniques
11/11/1987EP0244751A2 Automated multiple stream analysis system
10/1987
10/28/1987EP0242961A1 Control method and means
10/27/1987US4703353 Signal interpolators
07/1987
07/21/1987US4682298 System for deriving a measuring signal in a heating system
05/1987
05/06/1987EP0220880A2 Signal interpolator
05/05/1987US4663712 Method and apparatus for reaping level control
03/1987
03/17/1987US4651272 Power transmission
02/1987
02/03/1987US4641235 Process control apparatus with process dependent switching between process control modes
01/1987
01/27/1987US4639853 Time-discrete adaptive switching on-off controller
01/07/1987CN86103672A Power transmission
12/1986
12/10/1986EP0204277A1 Power transmission
10/1986
10/21/1986CA1213020A1 Process control apparatus
10/09/1986WO1986005896A1 A method and an apparatus for automatically tuning a process regulator
08/1986
08/26/1986US4607962 Object temperature control device
08/19/1986US4607326 Sampled-data I-PD control apparatus
07/1986
07/22/1986CA1208341A1 Time-discrete adaptive switching on-off-controller
06/1986
06/24/1986CA1206560A1 Power transmission
06/04/1986EP0183401A2 Process for controlling a parameter based upon filtered data
05/1986
05/27/1986US4591986 Apparatus for control of transition to auto-cruise
04/1986
04/29/1986US4585925 System to control and regulate heat applied during the heating phase of a steam pressure cooking vessel
04/08/1986US4581699 Power transmission
01/1986
01/07/1986US4563734 Multivariable proportional-integral-derivative process control apparatus
07/1985
07/03/1985EP0146780A1 Arrangement for controlling and regulating the heating power during the warming-up phase of a steam-pressure cooker
07/03/1985EP0146705A1 Arrangement for deriving a control signal, depending on the temperature rise of a temperature-time characteristic curve, in a heating system
06/1985
06/19/1985EP0145602A2 Process for visualizing physical quantities variable in time and system for realizing said process
05/1985
05/02/1985EP0139243A2 Process control apparatus
02/1985
02/26/1985US4502109 Apparatus for estimating plural system variables based upon a single measured system variable and a mathematical system model
12/1984
12/19/1984EP0128491A2 Time-discrete adaptive switching on-off-controller
10/1984
10/17/1984EP0121992A2 Optimal covariance filtering
10/09/1984US4475784 Cartridge and receptacle for use with an electronically controlled appliance
09/1984
09/26/1984EP0119765A2 Sampled-data 1-PD control apparatus
06/1984
06/20/1984EP0111064A2 Power servo system
04/1984
04/17/1984CA1165726A1 Method and apparatus for controlling the heat balance in aluminum reduction cells
04/04/1984EP0104845A2 Process control apparatus
03/1984
03/06/1984CA1163372A1 Adaptive-predictive control system
01/1984
01/04/1984EP0097435A2 Sampling control method and apparatus
11/1983
11/23/1983EP0094505A2 Randomized motor drive circuit
09/1983
09/27/1983CA1154523A1 Control loop
11/1982
11/09/1982US4358822 Adaptive-predictive control system
09/1982
09/14/1982US4349868 Sampled control loop with dynamic gain optimization
06/1982
06/22/1982CA1126367A1 Sampled data servo positioning system
06/08/1982US4333803 Method and apparatus for controlling the heat balance in aluminum reduction cells
01/1982
01/26/1982US4312656 Regulating tweel
11/1981
11/24/1981CA1113175A1 Drier control process for powdered milk
10/1981
10/27/1981US4297734 Sampled data servo positioning system
08/1981
08/25/1981US4286318 Control loop
11/1980
11/14/1980EP0015283A4 Resistance measuring circuit and controller using the same.
09/1980
09/17/1980EP0015283A1 Resistance measuring circuit and controller using the same
07/1980
07/23/1980EP0013326A2 Sampled data servo positioning system and sector disk file employing same
06/1980
06/24/1980US4209837 Programmable controller
04/1980
04/08/1980US4197576 Adaptive-predictive control system
02/1980
02/07/1980WO1980000201A1 Programmable controller
03/1979
03/06/1979US4143329 Signal sampling circuit
01/1979
01/23/1979US4136396 Data processing
09/1978
09/26/1978US4116125 Control system for positioning units exhibiting dead time in their response to activating signals
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