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Patent Searching and Data


Matches 151 - 200 out of 243

Document Document Title
JP3526022
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], an...  
JP2004034593
To control pressure with high speed loop gain by suppressing oscillation in pressure control provided with a speed control loop in a pressure control loop.A pressure filter 10 constituted of a band elimination filter which attenuates a r...  
JP2004038978
To provide a detection method and a detection device to detect a transition time of a control device which can measure the transition time with a high degree of precision.The device for detecting a steady state behavior of a control devi...  
JP2004036556
To provide a controller for a plant capable of maintaining good controllability and suppressing excessive correction when a disturbance is exerted in a spike state when controlling a plant which is the controlling object of an adaptive c...  
JP2003330504
To independently set maximum and minimum values of the amount of operations performed in control operations and in limit cycle autotuning.A control apparatus has a first amount of operations minimum output setting part 5 to set a first a...  
JP2003295901
To realize an appropriate disturbance recovery control and to facilitate parameter adjustment even if a controlled object is a nonlinear system.A response process of the disturbance recovery control is divided into, a convergence phase a...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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, ...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  

Matches 151 - 200 out of 243