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5959861 |
Adaptive robust control device
A system control device, specifically a control device for allowing a robot manipulator to track an object trajectory, can allow a system to track the object trajectory under undesirable conditions...
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5949677 |
Control system utilizing fault detection
A control architecture having improved fault detection and correction capabilities is disclosed. The system comprises primary and monitor control systems, each having an associated control signal....
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5943231 |
Computer controlled separator device
computer controlled separator device is disclosed. The computer control system monitors the operation of the separator device and makes any adjustments necessary to maintain optimal operation. An...
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5940291 |
Low-complexity adaptive controller
In accordance with one embodiment of the present intention, an adaptive feedback controller is configured to substantially reduce an error control signal defined by the difference between a command...
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5928310 |
Digital device control method and system via linear function generator implementation using adder for intercept
A system and method in a digital network for developing a digital output control signal Y which is of greater range and sensitivity than an input digital difference signal X wherein Y has a linear...
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5912821 |
Vibration/noise control system including adaptive digital filters for simulating dynamic characteristics of a vibration/noise source having a rotating member
A control system for controlling vibrations and noises generated by a vibration/noise source having at least a rotating member includes a first filter which generates a control signal for...
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5909370 |
Method of predicting overshoot in a control system response
A process control system including a method of suppressing overshoot of a process variable beyond the process value setpoint by predicting the overshoot by observing a waveform associated with the...
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5886895 |
Plant utility optimizing method and an optimizing system
For calculating optimum operation parameters of a BTG plant including a plurality of boilers having a linear input/output characteristic between an incoming fuel and steam output and a plurality of...
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5883802 |
Energy usage controller for an appliance
A controller controls the energy of an appliance during a current selected cycle in order to ensure that the energy usage is maintained below a predetermined average limit. The controller maintains...
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5883344 |
Automatic calibration of field-oriented elevator motor drive parameters using standstill motor measurements
An elevator controller 7 is provided with logic 48 which automatically calculates a motor time constant (τ R ), a torque constant (K T *), and a magnetizing current (Id) for a field-oriented...
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5880952 |
Sliding mode control method
According to a sliding mode control method, a hyperplane for a sliding mode control process is established with a linear function having as variables a plurality of state quantities of an object to...
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5877954 |
Hybrid linear-neural network process control
A hybrid analyzer having a data derived primary analyzer and an error correction analyzer connected in parallel is disclosed. The primary analyzer, preferably a data derived linear model such as a...
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5825645 |
Two-level system identifier apparatus with optimization
An apparatus for identifying the structure and estimating the parameters in the structure of a controlled system is described. The apparatus uses a structure identifier, in a preferred embodiment,...
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5812427 |
Physical quantity detecting apparatus
A physical amount detecting apparatus, preferably, an acceleration sensor, includes a sensor element, an A/D converter, a control unit and an activation unit. The sensor element is activated by a...
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5805447 |
Cascade tuning controller and method of use therefor
A cascade tuning controller and a method for use therefor is provided. The control inputs and the control coefficients are multiplied by scaling values. The scaling values are first tuned and the...
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5805446 |
Method for facility location
An information processing apparatus and a method being performed in the information processing apparatus which includes an input device, an output device, a memory having stored therein geographic...
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5798918 |
Performance-temperature optimization by modulating the switching factor of a circuit
A system and method for modulating the switching factor of a circuit to control heating and which does not require modulation of the circuit's clock frequency. The switching factor refers to the...
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5796625 |
Physical design automation system and process for designing integrated circuit chip using simulated annealing with "chessboard and jiggle" optimization
A cell placement for an integrated circuit chip is divided into two "chessboard" patterns or "jiggles". Each pattern resembles a chessboard in that it consists of alternating regions of different...
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5781431 |
Process and apparatus for high speed on the fly supply of information necessary for routing data structures
The invention relates to a process for the analysis of all or part of the informations contained in data structures or formats in order to supply to an external system the informations necessary...
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5781430 |
Optimization method and system having multiple inputs and multiple output-responses
A method and system for optimizing a steady-state performance of a process having multiple inputs and multiple output-responses is provided. The method and system provide a unified and systematic...
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5781340 |
Gauss lens with image stabilizing function
A Gauss lens having image stabilizing function with sufficient brightness, back focal length and excellent imaging quality is provided. The present invention includes, in order from object side, at...
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5774356 |
Image forming apparatus with job priority management of output processing
Image data is input through an image data input means, and stored into an image data storage means on a job basis. The volumes of the respective stored jobs are recognized by a job volume...
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5768123 |
System and method for capacity management in multi-service networks
A methodology for allocation of transmission capacity in communications networks is provided wherein a collection of constant rate channels is implemented between end points in the network. In that...
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5768121 |
Adaptive flow controller for use with a flow control system
The present invention relates to an adaptive airflow control system for positioning damper systems or controlling air units utilized in an environment control system. The system is based on a...
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5764508 |
Document processing and data distribution system for an air traffic control environment
An information processing system for an air traffic control environment using portable media to represent information about air flights, which portable media represent information by printing, hand...
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5764507 |
Programmable controller with personal computerized ladder diagram
A programmable logic controller with personal computerized ladder diagram having a keyboard, a monitor, a magnetic disk unit, a printer, the output and input terminals, an interface card of...
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5761387 |
System controller
A system controller which significantly reduces the number of development processes and automatically exercises control corresponding to situations. The system controller is made up of a...
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5758047 |
Method of process controller optimization in a multivariable predictive controller
In a process control system, having a controller for providing robust control of a process, the controller utilizes a predetermined range control procedure the results being a control solution. The...
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5754446 |
Method and apparatus for optimizing performance of a kaplan turbine
A method and system for optimizing performance of a Kaplan turbine power generating unit are provided wherein an optimal "N-dimensional" virtual cam is populated with gate and blade positional...
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5754423 |
Method and apparatus for preparing a mixture of materials
The invention relates to the preparation of a material mixture consisting of a plurality of mineral raw material components which are delivered individually proportioned, are ground and...
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5740028 |
Information input/output control device and method therefor
There is disclosed an information input/output control device and a method for controlling the same which supervises a working condition of an information terminal device connected to the...
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5737214 |
Method for controlling a function unit with a steering and control device
A method is provided for steering and controlling a functional unit with a steering and control device. The steering and control device includes a plurality of normalizing units, each unit having...
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5737213 |
Controlling system for determining a system deviation
A controlling system includes a comparator unit, which determines a system deviation from a reference variable and a controlled variable, and comprising a correcting device, which is arranged...
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5727126 |
Self-programming circuit
Circuit (SPSA) has a processing unit (VE) with an electrically erasable and electrically programmable read-only memory (EEPROM), a classification unit (KE) and an interface unit (EIF) for the...
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5719788 |
Automatic detection of excessively oscillatory feedback control loops.
Automatic detection of excessive oscillations in feedback control loops of a completely general nature can be achieved by generating an autocorrelation function of the controlled variable or...
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5708341 |
Control apparatus and method with correction of trial manipulated pattern
A PID controller roughly controls several times of trial operations preceding an actual operation. A trial operation analyzing unit analyzes and learns the trial operations conducted under the...
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5706192 |
Antiphase switching in arrays of globally coupled oscillators
A method and apparatus for accessing anti-phase states in a nonlinear system by globally coupling an array of oscillators. For N number of oscillators in the system, there are (N-1)| anti-phase...
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5696672 |
Preview control apparatus
A preview control apparatus uses a previously known future target value to control, among other things, robots and industrial machinery. Fast, highly accurate control is achieved in accordance with...
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5691894 |
Cylinder positioning control apparatus
A cylinder positioning control apparatus designed to effect positioning of a cylinder by learning control that uses not only an overrun distance but also a cylinder speed as input data for control....
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5691893 |
Adaptive control system
An adaptive control system for reducing undesired signals comprises a processor (36) which provides secondary signals for sources (37) for interference with the undesired signals. Sensors (42)...
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5687075 |
Adaptive control system
An adaptive control system for reducing undesired signals comprises sensors (31) to provide signals indicative of the undesired signals, and a processor (36) which processes the first signal to...
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5663879 |
Method and apparatus for smooth control of a vehicle with automatic recovery for interference
In order to provide smooth control a vehicle control method includes concatenating like-kind direction arrows in a configuration space. In addition, a stopping criterion is used to change a control...
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5654619 |
Method of feedforward control for servomotor
A control method of a servomotor, such that a moving command for position-velocity processing, which is executed in every sampling period obtained by dividing a distribution period of moving...
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5650926 |
Trace-and-track method
After an initializing step S302, a new minimum functional value F(*X 2 ) is obtained from a present minimum functional value F(*X 1 ) by a exploration in a step S303. F(*X 1 ) and F(*X 2 ) are...
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5646869 |
Numerical simulation system for a physical system suffering random disturbance
A simulator includes an initialization unit, an increment generating unit, an approximate value updating unit, and an output unit. The initialization unit enters into the increment generating unit...
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5638267 |
Method and apparatus for minimizing unwanted dynamics in a physical system
Method and apparatus for minimizing unwanted dynamics in a physical system response. Constraints on the input and on the unwanted dynamics are established, and an impulse sequence which satisfies...
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5637970 |
Motor speed control apparatus and motor speed control method
A method and apparatus for controlling the speed of a motor for a hard disk drive. The motor speed control apparatus includes a speed feedback controller which uses selected feedback coefficients....
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5633795 |
Adaptive tonal control system with constrained output and adaptation
An adaptive control system and method for actively canceling tones in an active acoustic attenuation system has an adaptive parameter bank. Adaptation of the adaptive parameter bank can be...
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5627750 |
Clutch slip control device and method of manufacturing the same, clutch slip control method, and vehicle control device
A clutch slip control device includes: a slip revolution speed detecting circuit for detecting an actual slip revolution speed of a clutch; a memory unit for storing constants set to satisfy...
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5621665 |
Selecting levels for factors for industrial process experiments
A method is provided for defining a minimally sized set of industrial process experiments which are sufficient to identify optimal levels for factors which go into the process. The method defines...
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