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WO/2012/138838 |
A stabilizing controller to balance, support and orient a device. The stabilizing controller includes a gimbal assembly positioned at the center of balance of the stabilizing controller with the device attached. A handle is disposed arou...
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WO/2012/084153 |
The invention relates to a controller unit (220) comprising a PI controller (225, 325) for harmonic reference variables. The transmission function of the PI controller (225, 325) for harmonic reference variables has a conjugate complex p...
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WO/2011/031788 |
Embodiments of the invention provide methods of controlling a motor, such as a servo motor. One method can include monitoring a current temperature of the motor and a power stage of the motor substantially continuously and substantially ...
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WO/2011/018301 |
The invention relates to a method for actuating a throttle valve (12) of an internal combustion engine (10), wherein the throttle valve (12) of the internal combustion engine (10) has an actuating parameter (A) depending on a target torq...
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WO/2010/059608 |
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WO/2010/059608 |
An HVAC actuator (10), such as a spring return actuator, may adjust the maximum output torque of the motor (12) with the varying spring return force of the HVAC actuator as the HVAC actuator moves through its range of motion (32). In som...
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WO/2010/054657 |
This invention relates to a method of performing control of a closed loop control system controlled by a controller, wherein said controller delivers the control input to at least one control unit in said system e.g. a valve, said method...
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WO/2010/016782 |
A method for the estimation of variables of permanent magnet motor state, consisting on stator velocity vector component signal x and y measurement and stator current vector signal x and y measurement, determining x and y component repro...
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WO/2009/050408 |
The invention relates to a method for qualifying a controlled system (1) generating at the output a time signal (3) adjusted on the basis of a setpoint time signal (2) fed at the input, wherein said method comprises: selecting an evaluat...
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WO/2009/050408 |
The invention relates to a method for qualifying a controlled system (1) generating at the output a time signal (3) adjusted on the basis of a setpoint time signal (2) fed at the input, wherein said method comprises: selecting an evaluat...
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WO/2009/012282 |
A method optimizes a control process for a plant. The method includes operating the plant using an extremum seeking control strategy, detecting an abrupt change in the operation of the plant, and using a circuit to compensate for the abr...
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WO/2009/003643 |
The aim of the invention is to provide a regulating device which ensures automatic monitoring of additional regulator parameters, and a method for said automatic monitoring. To this end, the method and the device for adjusting a first (2...
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WO/2008/075269 |
A magnetic levitation control system (100) includes a sensor (106) configured to measure a gap between an electro magnet and a stage and generate a gap measurement signal. A gap filter (112) is configured to receive the gap measurement s...
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WO/2008/075269 |
A magnetic levitation control system (100) includes a sensor (106) configured to measure a gap between an electro magnet and a stage and generate a gap measurement signal. A gap filter (112) is configured to receive the gap measurement s...
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WO/2008/051884 |
Presented is a harmonic regulator that regulates a plurality of individual harmonics in a system having periodic torque disturbances to commanded values, including zero. For each harmonic being regulated, a feedback signal having at leas...
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WO/2008/048865 |
A digital circuit implementing pulse width modulation controls power delivered in what one can model as a second order or higher order system. An exemplary control plant could embody a step-down switch mode power supply providing a preci...
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WO/2008/043724 |
A drug delivery device for regulating delivery of a drug to a patient (105) provides a controlled rate of delivery which accounts for changes in health or required dose and, in systems with inherent lag, enables a rapid and accurate resp...
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WO/2008/043724 |
A drug delivery device for regulating delivery of a drug to a patient (105) provides a controlled rate of delivery which accounts for changes in health or required dose and, in systems with inherent lag, enables a rapid and accurate resp...
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WO/2007/078246 |
The invention refers to a method and a device for tuning and control of industrial processes having varying material flow rate. The device comprises an adder (10b) for adding excitation signals to the controller output signal (U(t)), a m...
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WO/2006/105677 |
Disclosed are a method and a device for suppressing vibrations (18) in an installation comprising an actuator (14) for actuating a flap (12) or a valve (70) used for metering a gas or liquid volume flow (16), especially in the area of HV...
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WO/2006/105677 |
Disclosed are a method and a device for suppressing vibrations (18) in an installation comprising an actuator (14) for actuating a flap (12) or a valve (70) used for metering a gas or liquid volume flow (16), especially in the area of HV...
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WO/2006/074856 |
A detection device (8) detects radial deflections (x, y) of a rotating element (2) which is mounted in a base (1) by means of a magnetic bearing system (3) so as to rotated about a rotational axis (4) and feeds these deflections to a con...
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WO/2006/074856 |
A detection device (8) detects radial deflections (x, y) of a rotating element (2) which is mounted in a base (1) by means of a magnetic bearing system (3) so as to rotated about a rotational axis (4) and feeds these deflections to a con...
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WO/2006/071629 |
A method of controlling a motor speed for a fan assembly includes receiving a duty cycle value at a microcontroller (120). The microcontroller (120) receives a measured fan speed from a speed sensor (116). An expected fan speed is determ...
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WO/2006/041495 |
A side mirror retracting vehicle alarm system for automatically retracting side mirrors (22) of a vehicle (20) while the alarm system is activated includes a vehicle (20) having a side mirror (22) and a side mirror retraction assembly. A...
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WO/2006/036905 |
Process controllers, methods, and systems provide for frequency control to account for the effects of periodic disturbances in the feedback signal of closed loop control systems. The frequency components of the feedback signal are determ...
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WO/2005/124475 |
There is provided a method for automatically setting a vibration suppression filter by a servo control device. When a vibration detector detects vibration [A2], a state amount frequency analyzer subjects data in the state amount trace un...
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WO/2005/078538 |
A barrier movement operator (10) including a sensing device (110) for generating motor signals representing an operational variable of the motor (106), a position sensor (128, 127) for detecting the rotation of motor (106), a controller ...
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WO/2005/073818 |
A servo control apparatus that are not accompanied by any overshoots and any continuous vibration, exhibits an improved trackability and that tracks without any delay from an upper order command. A command signal is directly transmitted,...
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WO/2005/071504 |
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WO/2005/052701 |
A method and apparatus are provided for filtering a signal. The method and apparatus receive a sample of a signal being filtered and identify a bias associated with the sample. The method and apparatus also output an expected value for a...
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WO/2005/052710 |
A method, system, and computer program are provided for operating a valve using a cushion filter. The method, system, and computer program receive a process variable signal associated with operation of a valve. The method, system, and co...
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WO/2005/020423 |
A motor actuator (52) of a climate control system (37) includes an specialized electric motor (62) with a motor housing enclosing an encoder ring (104) on a motor shaft (77) having a plurality of opposite encoder-segment sets with encode...
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WO/2005/013018 |
A method for extracting the maximum gain of a servo controller in which generation of a significant vibration or noise is prevented by detecting a vibration in the early stage even if a machine is vibrated by increasing a control gain. T...
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WO/2005/011494 |
The invention relates to a method enabling selective biomechanical cancellation of pathological tremor. Canceling focuses on the characteristic frequencies of the tremor and has no negative effect upon the voluntary movement of the patie...
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WO/2004/079462 |
There is provided a system configuration capable of evaluating stability of output from a user control system including various affects such as unknown motion characteristic and external turbulence and guaranteeing stability of the outpu...
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WO/2004/077179 |
There is provided a servo control device capable of obtaining a high following accuracy without being accompanied by overshoot or continuous vibration. A compensation signal calculator (10) inputs an instruction increment value as an inc...
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WO/2004/069490 |
Controller scaling and parameterization are described. Techniques that can be improved by employing the scaling and parameterization include, but are not limited to, controller design, tuning and optimization. The scaling and parameteriz...
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WO/2004/063641 |
A feedforward control method for an absorption chiller includes determining the disturbance transfer function, determining the capacity valve transfer function, measuring the actual disturbance, and implementing the feedforward control f...
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WO/2004/055606 |
The invention generally relates to the field of repetitive controllers for suppressing periodic signals with half-wave symmetry and, more specifically, to a repetitive controller having the form of a memory loop fed with a periodic signa...
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WO/2004/034163 |
An optimal instruction creation device for processing an instruction to be input to a servo controller so as to eliminate vibration of a control object having a vibration element and minimize the delay for the instruction. The optimal in...
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WO/2004/025499 |
The invention includes a method of determining a control input. Such a control input may be used to dictate an input to a system, in order to bring the system from one state to another. In a method according to the invention, a set of va...
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WO/2004/015503 |
A control device for a reactor (1) comprises at least one sensor (4) for detecting a quantity that represents the efficiency of the reactor and for furnishing a measurement signal corresponding to the detected quantity. The control devic...
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WO/2004/006029 |
A plant control device for controlling a plant as a control object by an adaptive controller capable of suppressing excessive correction when a spike-shaped external turbulence is applied and maintaining a preferable control. A detected ...
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WO/2003/085462 |
A response process of disturbance recovery control is divided into a follow-up phase, a convergence phase, and a stable phase. A feedback control device includes a first phase selector (3) for switching to the follow-up phase, a second p...
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WO/2003/074345 |
The invention relates to a control or regulating device which is used in a booster in order to control or regulate a force actuator which amplifies manually applied forces or torques. The inventive device is characterised in that an adap...
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WO/2003/073183 |
An apparatus and method for controlling an output (50) of a digital system (10) comprising, for example, an output of a power amplifier (24) to minimise or neutralise nonlinearities such as limit cycles. The digital system comprises a no...
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WO/2003/058356 |
A pull-down control algorithm for an HVAC refrigeration system (100) is provided. The control algorithm utilizes a fuzzy logic methodology to automatically adjust a flow of refrigerant in the system (100) during a pull-down to maintain a...
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WO/2003/053631 |
A system and method for reducing reaction forces induced in a machine frame (10) by an oscillating tool (19) employs a conterforce assembly (29) which is driven to move along linear slides (22) mounted to the machine frame. The counterfo...
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WO/2003/054640 |
A method and apparatus determines the presence of and source of instabilities, such as limit cycles, within a process control loop while the process control loop operates on-line within a process environment. The method and apparatus mea...
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