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JP2003208201 |
To simplify parameter adjustment by realizing proper set value follow-up control even at the time of controlling a system whose non-linearity is strong.The response process of set value follow-up control is divided into a follow-up phase...
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JP2003205900 |
To provide a rotor torque predictor capable of reducing the number of inputs necessary for prediction by simplifying an approach of an algorithm for predicting a demand of a rotor to the engine.In a system, feedforward prediction is carr...
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JP3437807 |
To reduce overshooting, even when disturbance where the changing speed of controlled variables is fast is impressed. A subtracting part 3 subtracts controlled variables PV from a set value SP and outputs a deviation Er. When the absolute...
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JP2003160099 |
To provide a rotor torque predicting device which decreases the number of inputs required to predict rotor torque by simplifying an approach of algorithm for predicting the requirements of a rotor to an engine.This device used for feed-f...
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JP2003148171 |
To provide a rotor speed control system with large attenuation of the resonance frequency of a main rotor and a tail rotor, while improving the engine response by the speedy responsiveness of the fuel flow.The output turbine speed contro...
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JP2003081603 |
To reconcile the reduction of equipment cost and the maintenance and stabilization of precision related to hydrogen production in a power generating system using a hydrogen producing apparatus.For the stabilization of the reaction, espec...
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JP2003053643 |
To provide a control method and a control device capable of maintaining an optimum operating state for a long period by preventing vibration of a feeding system, regardless of a change of rigidity of a machine tool. This device is provid...
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JP2003047280 |
To overcome a problem wherein torque largely fluctuates due to abrupt change in current when a rectangular-wave current is passed through the winding in each phase of a motor, and to cope with this, a continuously changing current is pas...
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JP2003037531 |
To provide a new adaptive controller and a new adaptive control method. The adaptive controller generates a series of dither signals for each of multiple control parameters. Each dither signal sequence has no correlation with any other d...
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JP2002323915 |
To provide a numerical controller which can sufficiently use the feed performance for a work as a numerical controller which controls the acceleration of a servomotor so that the servomotor is not overloaded.This numerical controller is ...
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JP2002229602 |
To provide a control device for vibration suppression positioning capable of performing the stable positioning in short time.This device is provided with an integrator 6 for integrating a differential value of a target position command, ...
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JP3338695 |
To provide a method for preventing overshoot when a vehicle speed approaches a favorable speed in cruise control. In a method for setting presettable ideal vehicle speed, a control signal operating an engine and/or a transmission of an a...
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JP2002222001 |
To solve the problem that parameters need to be set again each time a controlled system is changed and also need to be set again to proper values even when environmental conditions of the controlled system change.A controller is equipped...
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JP2002202802 |
To provide a disturbance estimation type control system which is insensitive to parameter variation such as thermal load variation and rotating speed variation, a gas compressor control system, and a designing method for the disturbance ...
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JP2002171778 |
To provide a device for suppressing and control vibrations of an electric motor, capable of suppressing the vibrations of the electric motor by a simple controlling method and moreover capable of achieving the suppression and control of ...
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JP3303784 |
To ensure the control responsiveness, and to prevent the generation of an over/undershoot in a controller for feedback controlling an object to be controlled into a target state. This is a device for detecting solenoid currents as a volt...
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JP2002073106 |
To solve the problem that it takes a long time to stabilize profile control in the width direction of a paper making machine when set values are changed since an idle time and a time constant are long and then the production efficiency i...
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JP3283723 |
PURPOSE: To provide a closed loop feedback system having a open loop gain characteristic which is not changed even by the operating point of a system or the fluctuation of an environmental condition, or which is changed so as to be predi...
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JP3284138 |
PURPOSE: To provide a system for opening/closing control of an automatic convertible top which achieves quick opening/closing and control for protecting components from damage. CONSTITUTION: Position sensors which sense the instantaneous...
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JP3267836 |
PURPOSE: To secure sufficient followupability and safety for the characteristic change of a controlled system by determining next manipulated variable designated value based on first and second parameters on which the deviation of an ope...
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JP2001306104 |
To provide a method of control in which reference value can be taken in as accurately as possible and protection of an electric driving apparatus from heat is guaranteed in controlling the electric driving apparatus which controls a cont...
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JP2001305319 |
To provide an anamorphic prism with which the intensity distribution of a beam on a recording medium can be easily varied and recording and reproducing can be carried out in the optimum state without increasing the size of the device, an...
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JP3242881 |
To provide a closed loop feedback control system which operates to maintain process variable set values or process variable, close to them. This system 10 includes a set value controller 20 which adjusts the process variable value in res...
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JP3239060 |
To suppress disturbance and reduce the arithmetic processes for the compensation of the disturbance substantially even if there is a variation in motor characteristics. A drive means 4 which generates a motor drive voltage has a positive...
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JP2001249704 |
To adjust a control parameter without oscillating a servo control system.Each control parameter P[p](p=0, 1,...) arranged in an order so that it can be difficult for a servo control system to oscillate are set sequentially from P[0], and...
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JP3217522 |
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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JP3214514 |
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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JP2001175302 |
To provide a device characteristic changing device for changing the characteristics of a device.The device characteristic changing device 3 is provided with a time scale generation part 32 for generating a time scale TS for operating the...
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JP3199617 |
To provide a damping operation method which never changes the cut-off angle frequency of a control system that is obtained as a damping operation result in comparison with the anglar frequency that was obtained before connection of a dam...
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JP2001117603 |
To reduce overshooting, even when disturbance where the changing speed of controlled variables is fast is impressed. A subtracting part 3 subtracts controlled variables PV from a set value SP and outputs a deviation Er. When the absolute...
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JP3164667 |
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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JP2001041240 |
To prevent resonance by performing a digital filter process at a sampling frequency, and controlling an electromagnet based on a signal having a damped frequency range including a resonance frequency of a natural frequency and a rotation...
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JP2000355236 |
To provide a method for preventing overshoot when a vehicle speed approaches a favorable speed in cruise control.In a method for setting presettable ideal vehicle speed, a control signal operating an engine and/or a transmission of an au...
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JP2000235403 |
To provide a servo controller and method for accurately and quickly estimating disturbance, and for accurately realizing servo control even at the time of suppressing disturbance and feedback controlling an object to be controlled by ine...
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JP2000082662 |
To accurately measure and identify the characteristics of a motion mechanism quickly by deriving the characteristic value of the motion mechanism using a mathematical model that is derived by a system identification means using a charact...
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JP3032802 |
To improve light output without changing enclosure size or tube input with a relatively simple structure by setting an adhesive quantity of a fluorescent layer within a specific range. A fluorescent layer 2A including one or two kinds of...
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JP3020764 |
PURPOSE: To obtain a thermosetting resin molding material which gives a molding having significantly diminished burrs through injection molding by incorporating specific amounts of two inorganic fillers having different particle diameter...
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JP11341878 |
To attain high-speed response control for positioning by obtaining a switching signal with the first switching command signal selected, when a position deviation is within a prescribed range or the second switching signal, when it is out...
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JP11265203 |
To ensure the control responsiveness, and to prevent the generation of an over/undershoot in a controller for feedback controlling an object to be controlled into a target state. This is a device for detecting solenoid currents as a volt...
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JP11224101 |
To provide a closed loop feedback control system which operates to maintain process variable set values or process variable, close to them. This system 10 includes a set value controller 20 which adjusts the process variable value in res...
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JP11168381 |
To compensate the effect of correction waiting time without reducing a loop gain by storing correction executed by a controller and permitting the controller to execute evaluation with a monitor circuit connected to the controller. A cor...
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JP11085215 |
To actualize the system which can avoid influence on the stability and precision of control even in a process wherein various dynamic characteristics and time characteristics in a measurement section are not only stationary, but also tra...
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JP11031001 |
To attain an even operation of a closed loop system or to estimate the operation of the system in regard to the changes in a wide range of electrical and environmental operating conditions by using the 1st and 2nd gain elements which hav...
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JP10323072 |
To enhance system stability by finding a compensation torque value for vibration restriction based on a torque command value and a motor output speed, reflecting this compensation torque value to a torque command value and giving it to a...
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JP10320793 |
To provide a method to reduce the error caused by impact at a comparatively lower cost. The error is compensated (108, 111) in accordance with correction data (FF(n-1)) stored in a memory by detecting (100, 102) the impact and responding...
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JP10275003 |
To suppress the occurrence of vibrations by controlling a drive means based on the difference between the estimated load acceleration and the PI- controlled load reference speed. In a double inertia resonance system 110, two moments of i...
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JP10214102 |
To provide a feedback control system suitable for estimating and compensating nonlinear system disturbance by making the system include a disturbance estimation and control device and adding controller output signals generated by the dev...
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JP10161703 |
To improve the power efficiency of a driving circuit by a switching means turned on and off according to the result of comparing a target value for setting the driving position of a driving means and a reference value generated based on ...
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JP10133703 |
To provide a controller for making a system follow up a target track even under such a bad condition that a random disturbance is caused and physical parameters featuring dynamic characteristics are unknown. This controller is equipped w...
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JP10078801 |
To realize high responsibility control in a plant having a resonance mode. This system includes a plant 56 having a resonance mode, and a controller 5 which controls the plant 56 by receiving a plant input signal from the plant 56 throug...
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