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Class 700/39 - Test signal


Subclass of Class 700 - Data processing: generic control systems or specific applications
Definition: Subject matter where the disturbance is introduced into the
No. of patents: 92
Last issue date: 05/03/2011


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NumberTitleIssue Date
7937165Method and device for tuning and control
A method and a device for tuning and control of industrial processes having varying material flow rate. An adder is configured to add excitation signals to the controller output signal. A measurement system is configured to measure a property in response to the exci...
05/03/2011
7558634Controller and method of controlling an apparatus using predictive filters
In the field of electronic or computerized control apparatuses, known methods of compensating for disturbance signals rely on less than ideal analytical or empirical models. There is provided a controller (200) or method of controlling which observes and lear...
07/07/2009
7444193On-line dynamic advisor from MPC models
A method is disclosed for removing the dynamics of the PID controllers from a Model Predictive Controller that was developed using identification testing of a process. This then allows the creation of a very fast final control element based on-line operator advisor ...
10/28/2008
7395125Method and controller for the adaptive control of at least one component of a technical plant
The invention relates to a method in which at least one component of a technical plant is controlled by means of a PI controller. The actual value of the regulating parameter is continuously determined during operation of the plant and the amplification factor of th...
07/01/2008
7376470Control 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 respect to the reference state quantity at a specified value is defined...
05/20/2008
7369677System reactions to the detection of embedded watermarks in a digital host content
Methods for adapting the operation of a system in response to the detection of embedded watermarks from a digital host content are provided. A digital host content is received and examined for the presence of watermarks. In response to the detection of embedded wate...
05/06/2008
7319727Method for diversity reception of a multicarrier signal, receiver and corresponding system
A method is provided for receiving a multicarrier signal in a receiver implementing at least two distinct reception channels. After receiving the multicarrier signal during a first step, and in order to optimize subsequent processing (such as synchronization, confid...
01/15/2008
7295680Embedding and detecting digital watermark in image
An apparatus for embedding digital watermark information in an image, includes an image divider dividing the image into a plurality of partial images; and an embedder embedding in each of the partial images a digital watermark which indicates the digital watermark i...
11/13/2007
7292642Reference symbol multicarrier signal designed to limit intersymbol interference
The invention relates to a multicarrier signal consisting of a temporal succession of symbols formed by a set of data elements, each of said data elements modulating a carrier frequency of said signal, said symbols being organized in successive frames each comprisin...
11/06/2007
7263615Apparatus and method for detecting embedded watermarks
A detecting data processing apparatus configured to identify at least one of a plurality of code words present in a marked version of a material item. The detecting apparatus including a registration processor operable to compare the samples of the marked material i...
08/28/2007
7234115Home entertainment system and method
An entertainment system and method including controllable components dispersed among a plurality of locations and each having attributes associated therewith, a plurality of interconnections between the controllable components, a plurality of user interface devices,...
06/19/2007
7208735Process field device with infrared sensors
Infrared radiation from a plurality of locations associated with a process is measured by a field device, which includes a plurality of input channels, a plurality of IR sensors, and a data processor. The infrared radiation from the locations associated with the pro...
04/24/2007
7194317Fast plant test for model-based control
A method and apparatus for designing perturbation signals to excite a number of input variables of a system, in order to test that system for the purpose of obtaining models for the synthesis of a model-based controller. The method begins with providing input parame...
03/20/2007
7158840Tuning control parameters of vibration reduction and motion control systems for fabrication equipment and robotic systems
A method and apparatus is disclosed for acquiring and processing parameters used to adjust and tune a controller used, for example, to govern and compensate for motion, including vibrations and disturbances, in a physical system, such as a piece of manufacturing equ...
01/02/2007
7141175Oxidation reduction potential (ORP) based wastewater treatment process
A method of treating wastewater is described in which an oxidation reduction potential (ORP) of a wastewater stream over time at a plurality of processing stages using a plurality of ORP sensors is used. The wastewater is modified based on the sensed ORP so as to ra...
11/28/2006
7133784Process and method for chemical manufacturing using transformation of on-line instrumentation data
A method for providing improved estimates of properties of a chemical manufacturing process is disclosed. The method regesses process variables with scores or other gains obtained from the mathematical transformation of data obtained from an on-line analyzer. Chemic...
11/07/2006
7133763Control apparatus for controlling a plant by using a delta-sigma modulation algorithm
The invention provides a control apparatus comprising a controller for determining a manipulated variable for manipulating a controlled object so that an output of the controlled object converges to a desired value and a modulator for modulating the manipulated vari...
11/07/2006
7117042Semiconductor device and method for controlling the same
A semiconductor device, which is controlled based on a control signal corresponding to control data includes: a control register in which the control data is set; a sequencer which performs read control of a first control command on a nonvolatile memory in which the...
10/03/2006
7113834State 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 model error signal representative of a difference between a model out...
09/26/2006
7107108Controller and method of controlling an apparatus using predictive filters
In the field of electronic or computerised control apparatuses, known methods of compensating for disturbance signals rely on less than ideal analytical or empirical models. There is provided a controller (200) or method of controlling which observes and lear...
09/12/2006
7096073Configurable controller
A configurable controller, comprising a configurable digital unit having a synchronization control module; a plurality of signal acquisition modules connected with said synchronization control module for receiving reference control data therefrom; and a control logi...
08/22/2006
7079598Complex phase-locked loop demodulator for low-IF and zero-IF radio receivers
A digital demodulator which coherently demodulates a low-IF or zero-IF complex signal using a complex-valued phase-locked loop (CPPL). The CPPL includes a numerical controlled oscillator, four multipliers and two combiners to provide independent phase/frequency and ...
07/18/2006
7062334Positioning control method, positioning control device, and electronic component mounting apparatus using same
There are provided a positioning control method and a positioning control device, which enables high speed positioning with low power consumption without repeating two or more acceleration and deceleration operations during travel from an original position to a targ...
06/13/2006
7050866Dynamic controller for controlling a system
A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive mo...
05/23/2006
7047089Kiln thermal and combustion control
A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and predict on an output of the linear controller predicted control value...
05/16/2006
7024252Kiln thermal and combustion control
A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and predict on an output of the linear controller predicted control value...
04/04/2006
6980938Method for removal of PID dynamics from MPC models
A method is disclosed for removing the dynamics of the PID controllers from a Model Predictive Controller that was developed using identification testing of a process. This allows creation of valve-based off-line process simulators and provides methods to generate n...
12/27/2005
6970750Model-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 model free adaptation. The adaptive controller combines a controller gai...
11/29/2005
6963782System 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 loop, and is used to alter a flow of material used in the manufacturing p...
11/08/2005
6961628Method and apparatus for tuning compensation parameters
A method and apparatus for tuning a feedforward compensation parameter in a motion control system is provided. According to one such embodiment, the method includes the acts of determining an initial value of a feedforward compensation parameter and commanding an in...
11/01/2005
6937910Method and a system for evaluating whether a signal is suitable for feed-forward control
A method for evaluating whether a measurable disturbance on a process controlled by a feedback controller is suitable for feed-forward control. The disturbance is measured. The controller output signal due to the disturbance is measured. A first reference signal cor...
08/30/2005
6937965Statistical guardband methodology
A method for creating a guardband that incorporates statistical models for test environment, system environment, tester-to-system offset and reliability into a model and then processes a final guardband by factoring manufacturing process variation and quality agains...
08/30/2005
6922593Control of items in a complex system by using fluid models and solving continuous linear programs
A method and apparatus for the control of a system comprising of a plurality of items through the scheduling of actions and the allocation of resources is disclosed. Primary areas of utility include manufacturing systems, city wide vehicle traffic control, multiple ...
07/26/2005
6920410Systems and methods for testing a network service
Disclosed are systems and methods for testing a network service. In one embodiment, a system and a method pertain to sending an initial request to the network service, redirecting a related request sent by the network service to an actual network service such that t...
07/19/2005
6917840Method of ascertaining control parameters for a control system
A method of ascertaining control parameters for a control system having a controller and a plant includes establishing a model of the plant and a model of the controller and calculating a performance index for a closed-loop system as a function of controller paramet...
07/12/2005
6885933Signal correcting device
An arrangement for correcting a signal (S) is suggested which contains a signal evaluation (28), which determines a characteristic variable of the input signal (US) of a controller (26) and/or the actuating variable (fr) of the controller (26) a...
04/26/2005
6862483Apparatus for changing pulse width modulation at desired timing
A device generating a pulse signal includes at least one first register which stores waveform data therein, a pulse signal generation unit which generates a pulse signal in accordance with the waveform data of the first register, a control unit which is connected to...
03/01/2005
6832119Methods and systems for torque ripple compensation
A method for compensating for torque ripple in pulse width modulated machines including providing damping for transient disturbances utilizing a fixed feedback controller and rejecting steady disturbances utilizing an adaptive controller. ...
12/14/2004
6754541Control system apparatus for loading a value of a system parameter and preventing change thereto after a period of time
A control system for controlling an operating system stores a system parameter such as an ultimate pressure value, for an operating system. The control system allows operation of the operating system only after an initial value of the system parameter has been loade...
06/22/2004
6738675Method, apparatus, and system to reduce microprocessor power dissipation
A method and apparatus for reducing a microprocessor's power dissipation. In one embodiment a microprocessor includes a clock circuit, a core coupled to said clock circuit, and an on-die logic circuit coupled to said clock circuit to operate independent of a connect...
05/18/2004
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