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JPH0511850A |
PURPOSE:To provide the motor-driven stage controller which smoothly move a stage in a very slow speed range and prevents the cost from increasing and the device from becoming large. CONSTITUTION:The state of an electric motor 7 for stage...
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JPH055129B2 |
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JPH052402A |
PURPOSE:To attain the application of the adaptive control of a discrete time type even to a system where a controlled system has a high frequency component. CONSTITUTION:A parameter identifying device 6 fetches the input information give...
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JPH052401A |
PURPOSE:To prevent the level variance of a controlled variable kept in a stable state when the set value is manually changed in an automatic control mode. CONSTITUTION:The set value SV varies with push of a set-down button 12 even if the...
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JPH0481931B2 |
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JPH0481930B2 |
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JPH04372001A |
PURPOSE:To attain a stable tracking with high precision by outputting a product between a specific transfer function and a tracking deviation or an input signal resulting from multiplying constant with the tracking deviation as a correct...
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JPH04369002A |
PURPOSE:To shorten a calculation time for a control input by sampling only first N step responses, and when a difference value is reduced at an attenuation ratio P, approximating succeeding step responses so as to reduce the number of st...
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JPH0479007B2 |
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JPH04329408A |
PURPOSE:To converge at a controlled variable in a short time by calculating a manipulated variable from a specified expression when executing an average algebraic converging operation, executing this operation for each sampling cycle and...
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JPH0471173B2 |
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JPH04302308A |
PURPOSE:To stably control a valve even when a noise is mixed to a command signal and to enable responsiveness to the command signal to be changed. CONSTITUTION:The operation of the valve 1 of an automatic valve is controlled via the driv...
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JPH04271409A |
PURPOSE:To output data without contradictions even in the case of the change of the dead time due to some factor by adding a preliminarily determined dead time to the time of an internal clock to determine the output determinate time of ...
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JPH04233607A |
PURPOSE: To dynamically control according to change by selectively using a digital power control sampling rate corrected for adjusting transfer function. CONSTITUTION: The initial output parameter of a device to be controlled is sampled ...
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JPH04223502A |
PURPOSE:To maintain the more precise stationary state of a body in motion by controlling the motion of the body based on a predicted value by the control the same as the present control for reducing excessive or insufficient control comp...
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JPH04210791A |
PURPOSE: To measure r.p.m. of the shaft of a permanent magnet electric motor without requiring any sensor by providing means for integrating the counter electromotive force generated from a motor during an interval when the motor is conn...
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JPH04205203A |
PURPOSE:To minimize the detection delay time of a control system and to improve the detection accuracy by converting a detection signal in synchronism with the sampling time of a control system and outputting a synchronizing signal synch...
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JPH04195610A |
PURPOSE:To improve the controllability by selecting and setting the best sampling period according to a total calculated arithmetic processing time and setting a clock period corresponding to this period in a real-time clock generation p...
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JPH0441366B2 |
The invention relates to a process for deriving a measuring signal proportional to the temperature rise of a temperature-time characteristic curve in a heating system having a cooker with cooking material on a heating plate, in which the...
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JPH0441367B2 |
A system to control and regulate heat output during the heat-up phase of a pressure cooker heated by a heating element which can be turned on and off by means of a control circuit. The heat-up phase is adjusted, depending on the rate of ...
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JPH04184510A |
PURPOSE:To output a correct controlled variable even immediately after a target position changes by not outputting command values to an object to be controlled until all of the deviated values obtained from a prescribed difference equati...
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JPH04184509A |
PURPOSE:To suppress the occurrence of pulse leakage so as to make highly precise information transmission by detecting a pulse leaking amount from sample-held signals and controlling the phase of a sample and hold clock in accordance wit...
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JPH0435762B2 |
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JPH0435763B2 |
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JPH0434764B2 |
@ The process control apparatus according to the present invention is adapted to control a process automatically in compliance with the state of the process characteristics. In the process control apparatus, when the process characterist...
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JPH04158406A |
PURPOSE:To detect the abnormality with high precision by applying plural steps of filtering processing to the sampling data on a state signal and comparing simultaneously >=2 pieces of processing data with an allowable range for detectio...
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JPH04502733A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0430044B2 |
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JPH04139502A |
PURPOSE:To attain proper asymptotic state to the target value by deciding the next control cycle with the output value used as a function when the temperature of a subject is controlled based on a fuzzy rule. CONSTITUTION:A fuzzy rule de...
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JPH04137009A |
PURPOSE:To prevent output from lowering even when an arithmetic cycle is extended by dividing a first cycle into plural second cycles with length shorter than that of the first cycle, and sample-outputting the same arithmetic result valu...
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JPH04133106A |
PURPOSE:To eliminate the time delay caused by sampling, to execute the response at a high speed, and also, to facilitate the control of high accuracy by outputting output data, at the predicted time when input data reaches a target value...
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JPH04130902A |
PURPOSE:To attain highly accurate forecasting by calculating an arrival time at an objective temperature based upon the inclination of a straight line in each section found out by the approximation of a polygonal line, upper and lower li...
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JPH04123112A |
PURPOSE:To execute the prediction of a variation of a process value in the future with high accuracy by considering a variation of the process quantity of the present time and a variation of a manipulated variable in a prescribed time be...
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JPH04109305A |
PURPOSE:To attain highly accurate control by connecting a feedforward controller in parallel with a repeating controller and automatically determining its gain or the like. CONSTITUTION:A speed command (r) is sent to a feedforward contro...
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JPH04105015A |
PURPOSE:To have digital data of high reliability by furnishing a computation processing means to emit output after computational processing when dispersion of the digital data has exceeded an allowable extent so as to confine the dispers...
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JPH04501476A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0469707A |
PURPOSE:To accumulate the periodical component of a disturbance in a short time by reading out data of a phase which starts write to a memory for accumulating the periodical component, and thereafter, delaying it by a prescribed phase an...
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JPH0410084B2 |
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JPH0438506A |
PURPOSE:To reduce the path error of a transient response to be generated between the case of not having useless response time and the case of having the useless response time in a velocity control part by providing a useless time compens...
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JPH0410005A |
PURPOSE:To prevent that degradation of the control performance caused by the dead time by using a manipulated variable corrected based on a coefficient that is decided from the difference between the coefficient decided by a sampling per...
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JPH043208A |
PURPOSE:To flexibly cope with the fluctuation of an input period by multiplying an input to a control object at the time of each sampling by a coefficient containing '0' and adding it to all time lag inputs. CONSTITUTION:In the case a co...
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JPH03292503A |
PURPOSE:To always ensure the stable control characteristic by changing the parameter of PID, etc., simultaneously with changing the sample value control cycle according to the varying dead time in a dead time varying process. CONSTITUTIO...
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JPH03124201U |
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JPH03286307A |
PURPOSE:To omit the undesired requests for change of a manipulated variable by obtaining the final answer value of a system set on the assumption that the manipulated variable obtained right after its change is maintained as it is and de...
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JPH03116401U |
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JPH03109173U |
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JPH03240107A |
PURPOSE:To shorten the operating time despite the increase of an average period by performing the addition of data within a prescribed average period by adding the data collected this time to the accumulated value stored in a memory and ...
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JPH03240109A |
PURPOSE:To compensate an arithmetic delay in a dynamic robot control method by showing the characteristic of a machine system in a state equation of a discrete time system and estimating the position and the moving speed of a robot. CONS...
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JPH0363081B2 |
An adaptive-predictive control system for controlling single-input, single-output or multivariable time-variant processes with known or unknown parameters and with or without time delay, is disclosed. The adaptive-predictive control syst...
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JPH03219307A |
PURPOSE:To highly accurately execute work, to shorten the time of arithmetic processing and to reduce the cost of a device by executing the forecasting operation of the status variable of a machine system having a spring element in each ...
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