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 5 - Anti-hunting arrangements
Patents for G05B 5 - Anti-hunting arrangements (1,325)
11/1992
11/25/1992EP0462967B1 Chlorine-resistant semipermeable membranes
11/04/1992EP0511461A2 Control apparatus for mechanical devices
10/1992
10/29/1992WO1992018359A1 Device for operating a rain detector
10/22/1992DE4112847A1 Vorrichtung zum betreiben eines regendetektors Apparatus for operating a rain detector
10/20/1992US5157597 Method of detecting oscillation of a servo system and automatically adjusting speed loop gain thereof
08/1992
08/20/1992WO1992014195A1 Oscillation damper
08/13/1992DE4104040A1 Pulse width modulated balancing and operation of unit - involves switched capacitor low=pass filter in control signal provision with quadrupled pulse width and period
08/06/1992DE4103442A1 Control loop demand value control e.g. for current rectifiers - using most positive or negative changes for small signal variations to define total permissible change for each actual change and each loop
06/1992
06/02/1992US5119003 Non-linear dynamic compensation system
01/1992
01/07/1992US5079492 Stability compensating circuit
12/1991
12/17/1991US5073747 Feedback system control device and applications in amplifiers and servomechanisms
12/10/1991US5072357 Automatic reset circuit for integral control
11/1991
11/12/1991US5065080 Control system
11/06/1991EP0455201A2 Apparatus for and method of detecting a malfunction of a controller
11/03/1991CA2041419A1 Apparatus for and method of detecting a malfunction of a controller
10/1991
10/02/1991EP0449550A2 Thermostat with means for disabling PID control
09/1991
09/28/1991CA2039096A1 Thermostat with means for disabling pid control
08/1991
08/28/1991CA2034474A1 Apparatus and method for preventing runaway of the integral term of a proportional plus integral controller
07/1991
07/25/1991DE4100064A1 Elimination of reset wind-up effect in digitally regulated systems - is provided by processing units setting input command limits
07/23/1991CA1286713C Method of limiting motor power output
05/1991
05/07/1991US5013987 Control system for magnetic bearing
04/1991
04/10/1991CN1050622A Feedback system control device and applications in amplifiers and servomechanisms
03/1991
03/06/1991EP0415313A1 Servo-control arrangement for a feedback system and application to amplifiers and servomechanisms
02/1991
02/12/1991US4991770 Thermostat with means for disabling PID control
01/1991
01/22/1991CA1279209C Variable speed device
12/1990
12/12/1990EP0401383A1 Methods of detecting oscillation in the servo system and automatically adjusting the speed loop gain
10/1990
10/31/1990CN1046472A Chlorine-resistant semipermeable membranes
10/30/1990US4967129 Power system stabilizer
09/1990
09/20/1990WO1990010494A1 Chlorine-resistant semipermeable membranes
07/1990
07/12/1990WO1990007735A1 Methods of detecting oscillation in the servo system and automatically adjusting the speed loop gain
06/1990
06/26/1990US4937512 Stability compensating circuit
06/12/1990US4932238 Control system and method for controlling plant having high order lag
03/1990
03/14/1990EP0358139A2 Regulation method and unit
12/1989
12/05/1989US4885676 Control loop instability detection and correction apparatus
11/1989
11/30/1989DE3817078A1 Method and circuit for the monitoring and prevention of unstable conditions in active loads
10/1989
10/03/1989US4872104 Windup prevention system for a control loop to prevent overshoot
09/1989
09/21/1989WO1989008873A1 Control loop instability detection and correction apparatus
08/1989
08/08/1989US4855674 Method and a process control system using the method for minimizing hunting
05/1989
05/16/1989US4830885 Chlorine-resistant semipermeable membranes
03/1989
03/29/1989EP0308621A2 Power system stabilizer
02/1989
02/21/1989US4806836 Anti-reset windup for controllers in selective control loops
11/1988
11/17/1988EP0290715A2 Method to avoid overshooting of a controller
04/1988
04/21/1988DE3635037A1 Closed-loop controller with limiting device
02/1988
02/23/1988US4727303 Positional control method and system utilizing same
11/1987
11/17/1987US4707646 Method of limiting motor power output
10/1987
10/01/1987DE3610917A1 Control device with a regulator, which can be driven in a random manner, for a machine
01/1987
01/27/1987US4639854 High gain feedback control system
12/1986
12/16/1986US4629954 Closed loop control method for hydraulic apparatus
08/1986
08/05/1986US4604681 Feedback control method and system having variable deadband
07/1986
07/01/1986US4597405 Process and apparatus for controlling a controllable magnitude and use of the process
05/1986
05/06/1986US4587470 Multiplex control system
04/1986
04/01/1986US4580208 PID controlling meter
03/1986
03/18/1986US4577143 Method and apparatus to convert an electrical value into a mechanical position by using an electromagnetic element subject to hysteresis
05/1985
05/28/1985US4520301 Controlling apparatus for positioning
04/1985
04/30/1985US4513782 Electrohydraulic servovalve device
04/17/1985EP0137324A2 Method and device for transducing an electrical control variable into a proportional mechanical variable
04/16/1985CA1185679A1 Electrohydraulic servovalve device
04/02/1985CA1184995A1 Controller for a blockable servo motor
03/1985
03/26/1985CA1184630A1 Control circuit arrangement
12/1984
12/27/1984EP0129287A1 Control system
09/1984
09/18/1984CA1174751A1 Control method and a control circuit arrangement for carrying the method into practice
07/1984
07/10/1984CA1170711A1 Servo-amplifier circuit
05/1984
05/08/1984CA1167142A1 Process control system with segmented domain
02/1984
02/28/1984US4434458 Auxiliary channel for direct digital control system
02/07/1984US4430698 Three-mode process control
12/1983
12/20/1983US4422025 Control circuit
11/1983
11/15/1983US4415966 Control circuit for a controller and a method of operating the same
10/1983
10/04/1983US4408148 Controller for a lockable servo motor
09/1983
09/29/1983WO1983003315A1 Method and device for controlling a magnitude and application thereof
09/27/1983CA1154523A1 Control loop
09/21/1983EP0089058A2 Method and device for regulating a variable, and application of the method
09/14/1983EP0088496A1 Feedback automatic control apparatus
07/1983
07/12/1983CA1149909A1 Gas turbine engine fuel control system
05/1983
05/31/1983US4386397 Method and apparatus for process control
04/1983
04/19/1983US4380148 Device for adjusting gas turbine engine fuel control system in accordance with engine parameter
03/1983
03/30/1983EP0075507A1 Electrohydraulic servo valve device
03/23/1983EP0074862A1 Auxiliary channel for direct digital control system
02/1983
02/22/1983US4375029 Control apparatus for thermal equipment particularly a heat engine
10/1982
10/12/1982US4354224 Manipulation-variable separated type system control method and apparatus
06/1982
06/29/1982US4337427 Selective filter for closed loop servo system
06/29/1982US4336745 Servovalve flow linearization circuit
06/01/1982CA1124784A1 Load actuating servomechanism with resonance equalization
04/1982
04/28/1982EP0050168A2 A position control system for a numerical-controlled machine tool
04/14/1982EP0049306A1 Control circuit
04/13/1982US4324465 Arrangement for adjusting components of photographic apparatus or the like
03/1982
03/09/1982US4319173 Dual polarity fast discharge integrator apparatus
12/1981
12/22/1981US4306898 Glass ribbon width control method in float process
11/1981
11/18/1981EP0039917A2 Circuit arrangement for damping power oscillations in power systems
11/03/1981CA1111945A1 Servo system
10/1981
10/20/1981US4295451 Closed loop fuel control for internal combustion engine
10/13/1981US4295081 Load actuating servomechanism with resonance equalization
09/1981
09/30/1981EP0036437A1 Control method and circuit for performing the method
08/1981
08/25/1981US4286318 Control loop
08/18/1981US4284943 Apparatus and method for controlling the speed of an induction motor in a closed-loop system
08/18/1981US4284942 Load driving apparatus
07/1981
07/14/1981CA1105119A1 Automatic control system with integrator offset
06/1981
06/16/1981US4274039 Servo-amplifier circuit
05/1981
05/19/1981US4268785 Transient overshoot, undershoot and delay compensation circuit in systems comprising reactive filter networks
05/12/1981CA1101101A1 Variable response notch filter for machine resonance elimination in a servo control system
05/05/1981US4265263 Non-linear level controller
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