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JPS6133101U |
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JPS60205701A |
PURPOSE:To accelerate stabilization of a control system by discriminating whether the control system is in the hunting state or not and changing a constant of control operation where the deviation between a measured value and a set value...
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JPS60189501A |
PURPOSE:To always compensate the hunting of a control system with no effect of disturbance and to improve both the reliability and operability of a controller, by providing a hunting detecting means and an automatic gain control means to...
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JPS6086601A |
PURPOSE:To make the operation of a following width setter unnecessary and to improve the operability by storing a good following width during the operation in an automatic following exception mode and executing the following operation in...
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JPS6086602A |
PURPOSE:To hold the sensitivity of abnormality diagnosis of a master control system to avoid divergence of control output by using an analog controller as the master control system and using a digital controller as a slave control system...
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JPS6018841B2 |
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JPS6077204A |
PURPOSE:To provide a servo circuit with both merits of constant voltage feedback and constant current feedback by feeding back a servo input signal through a voltage feedback circuit when said signal is included in a low frequency area, ...
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JPS6063602A |
Control system comprising a controller (1) supplying a control signal to a part of a process to be controlled, of which process one or more signals are measured which together with set point values are supplied through an input junction ...
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JPS6012646B2 |
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JPS60500076A |
Real time servo control in a nonlinear, cyclical dynamic system adjusts the energy applied to a prime mover from a source of the energy as a linear function of an error between the measured load characteristics and modeled load character...
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JPS59192701U |
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JPS59218505A |
PURPOSE:To obtain the merits of both closed and open loops and to improve the accuracy of a hydraulic controller by storing previously the nonlinear function between the actual and target values during the hydralic control using an open ...
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JPS5939259B2 |
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JPS59138909U |
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JPS59149506A |
PURPOSE:To attain the combination of the universal feedback control and feedforward control by changing the set value of the coefficient K of a coefficient unit of an arithmetic part. CONSTITUTION:An arithmetic part 31 uses a feedforward...
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JPS59142603A |
PURPOSE:To attain a stable high gain feedback control system, by setting the transfer function of a detecting part so that the round transfer function of a control system has (n-1) each of zero points when this round transfer function ha...
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JPS59104350U |
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JPS59119403A |
PURPOSE:To obtain a positioning device of a high speed and a high resolution by adding a simple circuit to an applied voltage controlling circuit of a piezo- effect element, in a positioning device provided with a displacement amount amp...
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JPS5927921B2 |
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JPS59106004A |
PURPOSE:To eliminate the overshoot at the acceleration/deceleration end time by adding a delay circuit to a speed control circuit provided with an integration- type compensating circuit. CONSTITUTION:A field effect transistor FET76 is a ...
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JPS59100904A |
PURPOSE:To obtain an improved control method for reducing an overshoot of a control irrespective of saturation of a manipulated variable by executing an incremental operation in a proportional and integral operation by using a manipulate...
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JPS5919887B2 |
In a float process of flat glass production, the width of glass ribbon is controlled by regulating a tweel to manipulate the rate of supplying a molten glass through the tweel onto a molten metal bath. To minimize a fluctuation of the gl...
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JPS5957303A |
PURPOSE:To attain always optimum feedforward by multiplying an external disturbance compensating coefficient of feedforward control with a regulating output signal of a feedback control system so as to attain automatically optimum correc...
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JPS5955502A |
PURPOSE:To realize a test with no error to the target value, by delivering such a control signal with which the controlled variable reaches accurately its target value despite a phase delay due to the mechanical characteristics of a cont...
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JPS5947607A |
PURPOSE:To perform a combination control of feedback and feedforward controls with a small number of control parameters, by forming a manipulated variable based on the proportion gain and feedforward coefficient. CONSTITUTION:A deviation...
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JPS5947609A |
PURPOSE:To ensure good process control even through the static gain of a controlled system is nonliner, by obtaining a manipulated variable of a complement feedback controller. CONSTITUTION:A deviation arithmetic means 5 calculates the d...
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JPS5941004A |
PURPOSE:To shorten the time required for the complete setting of control for disturbance by automatically switching a feedback control system and a feedforward control system to control a process. CONSTITUTION:When a disturbance signal i...
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JPS5920010A |
PURPOSE:To attain a controlling method which responds stably even in case of a variance of a wide range, by selecting two proper states and inserting compensating elements, which use a dead time element, in series. CONSTITUTION:A step in...
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JPS599704A |
PURPOSE:To obtain a controller for controlling a mechanical position, which scarcely causes overshoot or vibration, and is capable of shortening an arrival time, by resetting an integral operating circuit when an output of a proportional...
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JPS58201102A |
PURPOSE:To reduce an overshoot by adding a control signal which is generated by adding a feedback signal to a desired value delayed by a dead time contained in a controlled system or feedback element and to a direct command signal genera...
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JPS58150101U |
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JPS58169202A |
PURPOSE:To reduce the output ripple of a lamp part and to prevent the overshoot while holding speedy controllability by passing a set value through a delay filter for reducing stepwise variation in set value, and performing deviation dif...
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JPS5844576B2 |
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JPS58158303A |
PURPOSE:To prevent a control valve from causing hunting, by reducing an amplification factor of an amplifier of a controller at the time of detection of hunting by providing a hunting detector of a control valve on an electrohydraulic co...
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JPS58154003A |
PURPOSE:To obtain a feedback circuit which prevents the overshoot of the value to be controlled and stabilizes it quickly to the target value, by setting the width of a blind sector provided contiguously to the target value at a large va...
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JPS58146901A |
(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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JPS58144905A |
PURPOSE:To perform satisfactorily an automatic constant value control for a controller of a system having a long time constant such as the waste gas denitration control of an incinerator of a noncatalytic denitrotion system, etc., by usi...
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JPS58140802A |
PURPOSE:To prevent the generation of a bump phenomenon, by deciding the code of a signal to be integrated and at the same time to compare the output of an integral member with upper and lower limit values. CONSTITUTION:A signal X to be i...
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JPS58123105A |
PURPOSE:To increase stability without deterioration in stopping precision and to prevent a system from oscillating either by inputting the ratio between the amount of DC feedback and the amount of leading phase feedback or by increasing ...
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JPS58119004A |
PURPOSE:To reduce an overshoot by supplying a command value obtained by subtracting an estimated overshoot value from a desired value, and performing switching from the command value to the desired value when the amount of the overshoot ...
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JPS5831601B2 |
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JPS58105301A |
PURPOSE:To improve the accuracy and the stability of a feedback control system, by adding a compensated feedback control system which uses the estimated quantity for controlling n-sec earlier, obtained from a real data as the feedback si...
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JPS5899801A |
PURPOSE:To elevate stability of control, and control accuracy, by counting the frequency by which the physical quantity to be controlled is deviated from a blind sector, and varying a range of the blind sector in accordance with its freq...
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JPS5884304A |
PURPOSE:To eliminate the hysteresis and to increase the control accuracy, by compensating the current on the basis of the control characteristics obtained when the current increases and decreases with the current flow rate control charac...
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JPS5882301A |
PURPOSE:To prevent hunting by providing an interlocking circuit, and completing the opening and closing operation of a gate whek a gate closing signal is inputted following a gate opening signal and when the opening signal is inputted fo...
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JPS5872202A |
PURPOSE:To reduce troubles to be applied to a control system at the quick variation of an output of a controller by forming a primary delay signal on the basis of the output signal of the controller and limiting the output signal of the ...
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JPS5872201A |
PURPOSE:To attain quick control without overshooting by increasing a manipulated variable up to its maximum value and calculates a point of time for switching the manipulated variable from an individual condition of a controlled system a...
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JPS5868105A |
PURPOSE:To prevent overshooting, by controlling a manipulated variable through a relatively fast responding control system when an input signal has a reference value and below, or limiting the manipulated variable through a relatively sl...
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JPS5854207A |
A servovalve device assembly is provided with an electronic matching circuit positioned upstream of the servovalve. The matching circuit supplies electric control signals whose purpose is to modify the hydraulic flowrate response curve o...
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JPS5815072Y2 |
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