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JP08002878 |
PURPOSE: To detect an oscillation angle by operation by calculating the travel distance of a rope laid across first and second guide pulleys, the horizontal distance between a third guide pulley and a set of the first and second guide pu...
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JP07253804 |
PURPOSE: To realize stable controllability by providing a means changing a parameter of a robust stabilizing compensation means based on the arithmetic operation of an arithmetic means to the controller. CONSTITUTION: A desired value gen...
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JP07093002 |
PURPOSE: To speedily suppress a hunting phenomenon and perform the stable control by determining an optimum control arithmetic constant according to the estimated cause of the hunting phenomenon and setting the determined control arithme...
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JP07093290 |
PURPOSE: To feed back a result outputted from a chaos processor capable of a real-time processing to a chaos system, by providing a dedicated processor for obtaining the correlation dimension of the state of an attractor, etc., by a hard...
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JP06337719 |
PURPOSE: To provide the servo type position controller which prevents a hunting phenomenon without spoiling the responsiveness and eliminates the need for periodic maintenance operation. CONSTITUTION: A position detector 14 is moved inte...
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JP06175737 |
PURPOSE: To provide a freezing cycle controller which never deteriorates the stability of the freezing cycle even in the different environments of application and needs no adjustment of the control gain even in the different installing c...
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JP06161561 |
PURPOSE: To prevent control stability from being lowered by the mutual action of a motor and a driven load, to lower control loop noise sensitivity and to quicken a time response by coupling or reconstructing signals from the group of va...
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JP06119001 |
PURPOSE: To improve a response characteristic much more than conventional PID with one degree of freedom and PID with two degrees of freedom so as to make a grade much higher. CONSTITUTION: In a controller which executes at least a PI co...
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JP06051839 |
PURPOSE: To reduce adverse influences upon a machine system and to clearly design normal characteristics. CONSTITUTION: A sliding curve Sun=0 for undershoot suppression, sliding curve Se=0 for equivalent control input control and sliding...
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JP05308044 |
PURPOSE: To improve the positioning accuracy and shorten the positioning time of the device by providing a control means which compensates a disturbance force against a traveling body. CONSTITUTION: A first control means 7 switches a spe...
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JP05052219 |
PURPOSE: To control change of a rotor rotate shaft of a magnetic bearing so as to be small even high-speed rotation. CONSTITUTION: A position of a rotor is detected by means of a detector 2x. Sampling 3 is carried out with a sampling pul...
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JP05041903 |
PURPOSE: To prevent the hunting of a counter-ground working machine and simultaneously improve the follow-up property of the return of the machine to the horizontal state from a tilted state. CONSTITUTION: The output voltage VS of an inc...
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JP04364387 |
PURPOSE: To accurately position by eliminating influence of a friction of a load. CONSTITUTION: The servo controller comprises torque command detecting means 1-1 for detecting a torque command when an open loop system is formed, a predet...
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JP04274725 |
PURPOSE: To extract time series data of numerical values assuming hunting by a method wherein the time series data of a process data is divided into a plurality of data with an overlapped time zone, and each time series data is analyzed ...
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JP04227501 |
PURPOSE: To provide a device and a method for preventing the runaway of the integration term of a proportional-plus integral-plus-derivative controller which can be used in a feedback system. CONSTITUTION: An error signal is supplied to ...
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JP03169280 |
PURPOSE: To avoid a hunting by a method wherein a pulse generated every rising/ falling of a motor stop signal is inputted to a neutral zone width signal circuit and a signal which increases when the pulse is inputted to the neutral zone...
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JP03119402 |
PURPOSE: To improve the precision without degrading the safety by processing the difference between input and output signals to generate an error signal for the purpose of obtaining a correction signal from input and output signals and t...
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JP02311196 |
PURPOSE: To reduce the repeating times of start/stop operation of a boiler to zero or a small number even for a small steam load by maintaining the control amount of a motor balance potentiometer at a lowest set value when a detected sig...
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JP02107120 |
PURPOSE: To accurately and smoothly control functioning so as not to cause hunting by continuously outputting in an ON state of a sensor and outputting pulse during OFF delay in an OFF state. CONSTITUTION: When a detected signal of a sen...
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JP01083141 |
PURPOSE: To increase a gain in control and to obtain a system being stable and excellent in response, by a method wherein a prescribed amount based on an input signal of an object to be controlled is made to leak in an output signal. CON...
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JP01081688 |
PURPOSE: To enable adjusting a phase-lead-lag circuit optimally with repeat to a plurality of power oscillation modes, by providing a system stabilizer with a cycle detector and a phase-lead-lag correction circuit to which a fuzzy infere...
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JP61092715 |
PURPOSE: To prevent the oscillation of a control system by making the signal having the delayed phase against the position signal with using the detected position signal and by feeding back to the set input side with the adequate combina...
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JP57069326 |
PURPOSE: To compensate the effect due to the fluctation of control cycle caused by an external function and to maintain the stability of control, by measuring the control cycle given from a timing device and giving the automatic control ...
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JP56115959 |
PURPOSE: To make it possible to measure the frequency of the change of the control system and control the process by comparing the running average value of the whole sampling data within a fixec time with the data distribution curve. CON...
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JP55162433 |
PURPOSE: To prevent the fluctuations in plate width and achieve the improvement of yield by beforehand setting the range of the deviations where the plate width of the glass strip on a molten metal bath deviates from a reference value an...
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JP53141650 |
PURPOSE: To prevent the generation of errors and stabilize operation by sensing the displacements of first, second beams displacing in correspondence to set value signal and measuring value signal as movements of first, second flexers vi...
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JP53084701 |
PURPOSE: To shorten the time of pull-in, and also, to stabilize the travel of the tape when the stable state of synchronization varies employing a simple circuit constitution, by using the pulse signal which synchronizes with the referen...
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JP53016254 |
PURPOSE: To correct the accumulation of errors of the roller feeding length by utilizing an overshoot occurred by vibrating a servo motor in short time.
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JP52037432 |
PURPOSE: To perform a phase matching free from the fear of an erroneous actuation, of a quick response, and with no reduction of the record quality at the time of phase matching by providing a circuit which forbids a signal from a detect...
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