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7603186 Adaptive response time closed loop control algorithm  
A system and method for controlling a flow of a fluid using an adaptive closed-loop-control algorithm is described. One embodiment includes a method for receiving a set point indicator and/or a...
7599751 Adaptive multivariable MPC controller with LP constraints  
A method is disclosed for developing and using a high-speed adaptive multivariable controller by removing the dynamics of the PID controllers from a Model Predictive Controller that was developed...
7587250 Controller with configurable connections between data processing components  
A controller with configurable connections between data processing components is provided. In one embodiment, the controller includes a number of configurable inputs and outputs that may be used...
7542810 System and method for user controllable PID autotuning and associated graphical user interface  
A system and method for user configuration of an autotuning algorithm for a PID controller. User input is received via a Graphical User Interface (GUI) indicating a desired characteristic of a PID...
7496336 Weighting circuit for adjusting a control loop  
For a weighting circuit for adjusting a feedback control loop to an input signal of the feedback control loop the feedback control loop comprises a system under control and a device for generating...
7477951 Servo controller and control method using the same  
When an integral calculation of a physical quantity representing a state of a controlled system is performed, two integral calculations, that is, a positive-integral calculation and a...
7467639 Systems and methods for controlling gas flow  
A method for controlling a motion of a gas valve in a gas feed line coupling a supply device to a burner is provided. The method includes receiving a signal representative of a user-selected...
7463938 Control calculation device  
When there exists an error between a model considered in feed-forward and an actual device, it is configured so as to enable the application of control having feed-forward such as predictive...
7457673 Process for rapidly controlling a process variable without overshoot using a time domain polynomial feedback controller  
A method for controlling a process variable as it approaches a predetermined value (setpoint) so that the setpoint is not exceeded. The method employs a time domain polynomial equation in a...
7433762 Methods for controlling multiple actuators  
Methods for controlling at least two actuators are provided. An internal control system sends an input received from the main control system to a first actuator and diverts a portion of the input...
7432681 Scanner system  
A scanner system includes a servo control unit. A rotation angle of a rotating shaft supporting a mirror is detected, and an error of the detected value with respect to a commanded value is...
7392113 Systems for controlling multiple actuators  
Methods, control systems, and information handling systems for controlling at least two actuators are provided. An internal control system sends an input received from the main control system to a...
7376470 Control method and apparatus  
In a control method, when a state quantity serving as a specific reference is defined as a reference state quantity, and a state quantity which is controlled to maintain a relative quantity with...
7346403 Pid parameter adjustment device  
A PID parameter adjustment device includes: a model storage section ( 1 ) for storing an equation model to be controlled; a PID controller storage section ( 2 ) for storing a control algorithm; a...
7280879 Interfaces from external systems to time dependent process parameters in integrated process and product engineering  
A method and apparatus for computer modeling the production process is disclosed. An integrated product and process engineering system may be a computer modeling system that models both a generic...
7184847 Method and system for controlling a process in a plant  
A method and system are disclosed for controlling a process by establishing a control factor for a proportional-integral-derivative (PID) controller used to control a parameter of a process...
7181295 Method and apparatus for PID controller with adjustable deadtime compensation  
In the present invention, a Smith predictor enhanced PID controller, SP-PID, is proposed. A tuning parameter K sp is devised and the SP-PID controller would be gradually transformed from a PID...
7171820 Non-linear control algorithm in vapor compression systems  
A PID control for a vapor compression system utilized to heat water identifies a particular range of error signals and derivative of the error signals that could be indicative of the cycle moving...
7152052 Apparatus and method of controlling single-input-multi-output systems  
An apparatus and method is disclosed for automatically controlling single-input-multi-output (SIMO) systems or processes. The control output signals of a plurality of single-input-single-output...
7149591 Multi-resolution controller  
A method for producing a control output is described. The method includes identifying an error signal and decomposing the error signal into a plurality of signal components. The signal components...
7113834 State based adaptive feedback feedforward PID controller  
A state based adaptive PID controller includes a model set component including a plurality of process models, each process model including a plurality of parameters. An error generator generates a...
7103425 Method of regulating a target system using a frequency comparison of feedback and reference pulse trains  
A method of regulating a target system generates a plurality of digital signals which define a reference pulse train with a frequency dependent upon a reference signal. A target system to be...
7092770 Feedback control method and feedback control device  
The 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 switching unit ( 3...
7035695 Method and apparatus for tuning a PID controller  
In tuning a controller for a process in a feedback control system, a method is provided for bringing the system into asymmetric self-excited oscillations for measuring the frequency of the...
7024253 Auto-tuning controller using loop-shaping  
A method and apparatus for automatically adjusting the gains of a feedback controller while the process continues to run and the controller continues to operate and control the process is...
7006900 Hybrid cascade model-based predictive control system  
A hybrid cascade Model-Based Predictive control (MBPC) and conventional control system for thermal processing equipment of semiconductor substrates, and more in particular for vertical thermal...
6970750 Model-free adaptation of a process controller  
An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on...
6968258 Residual feedback to improve estimator prediction  
A system and method 100 of using residual feedback in a control loop in a manner that substantially eliminates the steady state error in the predicted states that results from the mismatch in...
6963782 System and method for effecting control tuning of a manufacturing process  
The present invention includes a system and method for fine tuning the control of a manufacturing process. A material adjusting device is in communication with a PID controller and PID control...
6937908 Method for tuning PID controllers applicable to nonlinear systems  
A method for tuning a PID controller includes the steps of inducing equivalent relationships between PID gains of the PID controller and parameters of time delay control (TDC), selecting a natural...
6922594 Controlling device and controlling method for control within a predetermined energy consumption amount  
A preferential upper limit processing section L_MH 1 limits the value of a pre-input manipulated variable output upper limit MH 1 so as to adjust a manipulated variable output MV 1 of a...
6892101 Feedback control method and feedback control apparatus  
According to a feedback control method, the response process of set point tracking control is divided into three, tracking, convergence, and stabilization phases. The phase is switched to the...
6870345 Servo loop PID compensator with embedded rate limit  
This invention describes a reconfigured form of the PID compensator such that the rate of change of the position error is inherently limited without affecting the performance of the servo loop when...
6847851 Apparatus for improved general-purpose PID and non-PID controllers  
An apparatus is provided for controlling a system to achieve a specified response. In one embodiment, the apparatus is a proportional, integrative, and derivative (PID) controller having a...
6819963 Run-to-run control method for proportional-integral-derivative (PID) controller tuning for rapid thermal processing (RTP)  
A method is provided, the method comprising measuring at least one parameter characteristic of rapid thermal processing performed on a workpiece in a rapid thermal processing step, and modeling the...
6809450 Software for system for controlling a magnetically levitated rotor  
In a rotor assembly having a rotor supported for rotation by magnetic bearings, a processor controlled by software or firmware controls the generation of force vectors that position the rotor...
6783080 Systems and methods for controlling temperatures of process tools  
A system and method for controlling a critical process variable, such as the temperature of one or more temperature control units for cluster tools in a semiconductor fabrication facility, uses...
6754542 Control arithmetic apparatus and method  
A control arithmetic device includes a subtracting section, disturbance application detecting section, error correction amount calculating section, error correction amount convergence calculating...
6751510 Predictive and self-tuning PI control apparatus for expanded process control applications  
A predictive and self-tuning PI controller includes an apparatus for variably assigning gains thereto in accordance with specified time functions following a change in set-point. The control gains...
6725103 Process control system  
A process control system in a multi-input/output coordinate control system for executing coordinate control of a main input. The process control system sets an operating point set value for an...
6725100 Automatic load adjustment  
The subject of the invention is a process for adjusting a processing unit, whereby at least one set value is varied from a starting value to a final value. In this case, the target value of a...
6687553 Dual gain variable control system  
A method for controlling a solenoid using a single coil solenoid for both course and fine adjustment. A resistor or series of resistors may be used in parallel/for current controlled solenoids or...
6684113 Controlling device and controlling method  
Controllers (PID 1 to PIDn) perform control so that the controlled variables of first to n-th control loops may agree with their preset values. A step response progress calculating section (C_R 1...
6684112 Robust model-free adaptive control  
A Robust Model-Free Adaptive controller is disclosed for effectively controlling simple to complex systems including industrial processes, equipment, facilities, devices, engines, robots, vehicles,...
6675073 System and method for tuning the weight control of a flow of material  
The present invention includes a system and method for fine tuning the process of controlling the weight of a flow of material, such as a rod of material in a production facility. A control...
6659361 Temperature control device  
The controller 70 of the brine supply device 10 performs the PID calculation of the manipulated variable MV of the valve 14 , calculates the compensated manipulated variable MV′ by...
6658304 Computer based method and a system for controlling an industrial process  
A computer based method of controlling an industrial process, including the steps of measuring the values of at least one process variable (y 1 , y 2 ), and predicting future deviations of one...
6643554 Method and apparatus for adaptive control of marginally stable systems  
The present invention provides a method and apparatus for adaptive control which models marginally stable systems by creating a reference or disturbance model to account for the slope of the...
6611123 Servo control apparatus and gain adjusting method  
A disk apparatus includes a DSP (digital signal processor), and a DSP core of the DSP receives a feedback input from a pick-up, and generates a focus control pulse and a tracking control pulse....
6584367 Stage position control method and stage position control apparatus capable of improving positioning precision  
A Y stage is capable of translational driving in the Y-axial direction, by independently controllable Y 1 linear motor and Y 2 linear motor. The amount of movement of the Y stage is detected by a...
Matches 1 - 50 out of 240 1 2 3 4 5 >