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| Number | Title | Issue Date |
| 7689297 | Nonlinear system observation and control An observation system configured to observe one or more initially unknown state variables of an observed system includes an input interface configured to receive a system input, and a processing module coupled to the input interface. The processing module is configu... | 03/30/2010 |
| 7653446 | Method and apparatus for automatic configuration of equipment An architecture for automatically configuring equipment. A piece of equipment connected externally to a user PC has one or more machine-resolvable codes (MRCs) associated therewith. The piece of equipment receives configuration information from a remote location dis... | 01/26/2010 |
| 7437202 | System and method for control scheduling A system and method for controlling a device such that device operates in a smooth manner. The system may switch between control architectures or vary gain coefficients used in a control loop to control the device. As the architecture or gains are switched, the cont... | 10/14/2008 |
| 7426416 | System and method for sensor replication for ensemble averaging in micro-electromechanical systems (MEMS) A MEMs-based system (and method), includes a sensor array including at least two sensors providing a basis for ensemble averaging. ... | 09/16/2008 |
| 7415383 | Compiling method, apparatus, and program Brings response time of a Web server and the like closer to a targeted value. A controller controlling the average response time elapsed between reception by information processing apparatus of a processing request and response of information processing apparatus to... | 08/19/2008 |
| 7395125 | Method 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 |
| 7379777 | System and method for automatically updating the memory map of a programmable logic controller to customized hardware System and method for automatically updating a memory map coupled to or included in a programmable logic controller (PLC). A PLC may automatically detect at least one programmable hardware element (PHE) coupled to the PLC. The PHE may provide a customizable interfac... | 05/27/2008 |
| 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 respect to the reference state quantity at a specified value is defined... | 05/20/2008 |
| 7337091 | Method and apparatus for coordinating fault detection settings and process control changes A system includes a process tool for processing a workpiece, a process controller, and a fault monitor. The process controller is configured to determine a control action for updating an operating recipe of the process tool. The fault monitor is configured to determ... | 02/26/2008 |
| 7263627 | System and method having strapping with override functions A system and method allow for overriding of a strapping option. A strapping signal places a device (e.g., a processor) in first state or mode (e.g., client or master). An override system places the device in a second state or mode. The second state or mode can be te... | 08/28/2007 |
| 7263473 | Method 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... | 08/28/2007 |
| 7251536 | Control system for plant A control system for a plant is disclosed. The control system includes a controller for controlling the plant based on a controlled object model which is obtained by modeling the plant. The controlled object model is modeled using an input and an output of the plant... | 07/31/2007 |
| 7216497 | Slope predictive control and digital PID control The present invention provides an airflow control loop that uses averaged airflow measurements without the problems that are normally encountered with averaging measurements, such as the delay introduced into the airflow control loop. This is accomplished, in the pr... | 05/15/2007 |
| 7216018 | Active control vibration isolation using dynamic manifold A controller f or multi-DOF active vibration isolation accounts for plant uncertainties and payload disturbances using dynamic frequency-shaped sliding control. Modal decomposition rewrites a multi-DOF vibration control problem as a combination of modal problems. Mo... | 05/08/2007 |
| 7178436 | Method of cutting carbon and alloy steel The present invention discloses a method and apparatus for controlling the load on the blade of a steel-cutting saw A programmable logic controller senses the spindle motor load current and compares it with the desired optimum operating current. Variations in hardne... | 02/20/2007 |
| 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 are determined based on a plurality of orthogonal functions representi... | 12/12/2006 |
| 7130702 | System and method for control scheduling A system and method for controlling a device such that device operates in a smooth manner. The system may switch between control architectures or vary gain coefficients used in a control loop to control the device. As the architecture or gains are switched, the cont... | 10/31/2006 |
| 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 regulated (such as a transport speed of a paper transport assembly in a pri... | 09/05/2006 |
| 7054694 | Process control system The present invention has the following characteristics. The process input signal input value and engineering unit value scale data are associated and stored inside the control unit. The operation value determined from the input value and the engineering unit... | 05/30/2006 |
| 7047089 | Kiln 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 |
| 7024252 | Kiln 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 |
| 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 disclosed. A desired closed-loop control bandwidth and a target loop transfer ... | 04/04/2006 |
| 7006680 | System and method for characterizing microarray output data The current invention discloses a novel spectral transformation technique for characterizing digitized intensity output patterns from microarrays. This method yields improved sensitivity with reduced false positives and false negatives. Current microarray methods ar... | 02/28/2006 |
| 6985809 | Control apparatus, control method, and engine control unit A control apparatus is provided for eliminating a slippage in control timing between the input/output of a controlled object, even when the control object exhibits a relatively large dynamic characteristic such as a phase delay, a dead time, or the like, to improve ... | 01/10/2006 |
| 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 model free adaptation. The adaptive controller combines a controller gai... | 11/29/2005 |
| 6958850 | Pointing angle control of electrostatic micro mirrors with modified sliding mode control algorithm for precision control The present invention is directed to a control system for a MEMS device, such as a MEMS mirror, that uses sliding mode analysis to accurately and predictably control the position of the mirrors in a MEMS device. The present invention also uses the capacitance of the... | 10/25/2005 |
| 6937909 | Pattern recognition adaptive controller A pattern recognition adaptive controller configured to dynamically adjust proportional gain and integral time control parameters based upon patterns that characterize the closed-loop response. The pattern recognition adaptive controller receives a sampled signal re... | 08/30/2005 |
| 6922595 | Selecting control algorithms based on business rules A method and apparatus is provided for selecting control algorithms based on business rules. The method comprises processing a workpiece using a processing tool. The processing tool is capable of processing the workpiece under a control of at least a first and a sec... | 07/26/2005 |
| 6917839 | Surveillance system and method having an operating mode partitioned fault classification model A system and method which partitions a parameter estimation model, a fault detection model, and a fault classification model for a process surveillance scheme into two or more coordinated submodels together providing improved diagnostic decision making for at least ... | 07/12/2005 |
| 6898469 | Surveillance system and method having parameter estimation and operating mode partitioning A system and method for monitoring an apparatus or process asset including creating a process model comprised of a plurality of process submodels each correlative to at least one training data subset partitioned from an unpartitioned training data set and each havin... | 05/24/2005 |
| 6868326 | Control apparatus, control method, control unit, and engine control unit There are provided a control apparatus capable of controlling a controlled object with reduce dead time in sign inversion between the input to and the output from one of ΔΣ and ΣΔ modulation algorithms, thereby attaining improved convergence of the output from t... | 03/15/2005 |
| 6763271 | Tracking sustained chaos A control method and system are provided to sustain chaos in a nonlinear dynamic system. A sustained transient that is tracked as a system parameter is substantially varied thereby allowing sustained chaotic transients to exist far away from the crisis parameter val... | 07/13/2004 |
| 6735483 | Method and apparatus for controlling a non-linear mill 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... | 05/11/2004 |
| 6684113 | Controlling device and controlling method Controllers (PID1 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_R1) calculates the progress 댑 of the step response of the... | 01/27/2004 |
| 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, and appliances. Without the need of re-designing a contro... | 01/27/2004 |
| 6654648 | Technique of monitoring abnormality in plurality of CPUs or controllers The technique of the present invention prevents endless circulation of reset operations of CPUs in a control system including a plurality of CPUs that mutually monitor the opposite CPUs. The plurality of CPUs, which are connected with one another and incl... | 11/25/2003 |
| 6639375 | Control device and method for controlling a control element A control device and method is provided for controlling a control element by receiving a controller demand signal and a control element sensor signal, and processing the signals to determine if there is a change in the controller demand signal and/or a ch... | 10/28/2003 |
| 6625516 | Electric load driving device and method of using the same In an electric load driving device, in the case of a high-side output mode, an output FET is supplied, when connected with a higher-potential side than a load, at its gate with a boosted voltage higher than a battery voltage in response to one control sig... | 09/23/2003 |
| 6609036 | Surveillance system and method having parameter estimation and operating mode partitioning A system and method for monitoring an apparatus or process asset including partitioning an unpartitioned training data set into a plurality of training data subsets each having an operating mode associated thereto; creating a process model comprised of a ... | 08/19/2003 |
| 6553271 | System and method for control scheduling A system and method for controlling a device such that device operates in a smooth manner. The system may switch between control architectures or vary gain coefficients used in a control loop to control the device. As the architecture or gains are switche... | 04/22/2003 |
