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Patent Searching and Data


Matches 651 - 700 out of 1,138

Document Document Title
JPH01188984A
PURPOSE: To obtain the value or a function (z) in a simple method without the sampling error by calculating an average value z' of a function x+a.dy/dt averaged for one sampling interval without calculating the accurate instantaneous val...  
JPH01180603A
PURPOSE:To reduce the driving delay of an actuator and to decrease the electrical and mechanical noises by setting a smoothing circuit before a driving circuit to suppress the changing value of a control signal less than a limit level fo...  
JPH0120670Y2  
JPH01126701A
PURPOSE:To suppress the jump of operating quantity to the rapid change of a target value only with causing an integrating operating gain to be smaller than a proportional operating gain by determining the change of the operating quantity...  
JPH01116705A
PURPOSE:To obtain a highly reliable process variable and to decrease the processing load of a computer system by switching a sampling cycle according to the change of the process variable to a high speed and a low speed. CONSTITUTION:A c...  
JPH0194267A
PURPOSE: To calculate a sample value at an arbitrary time from sample data sampled at a time interval (h) within a short operation time, by a method wherein it is checked whether one of multipliers is brought to a value near to 0 beforeh...  
JPH0119163B2  
JPH0118443B2  
JPS6446754U  
JPS6443412U  
JPS6429905A
PURPOSE:To perform control by a consecutive manipulated variable after the convergence of a parameter in the control of the consecutive manipulated variable even when it arrives a stationary state, by providing a switching means between ...  
JPS6429906A
PURPOSE:To perform control by a consecutive operating quantity after the convergence of the parameter of the consecutive operating quantity even when it arrives at a stationary state, by providing a switching means between a discrete tim...  
JPS6429904A
PURPOSE:To perform tuning without exciting a controlled variable during control at a stationary state, by performing the control of the stationary state by using a discrete time type adaptive ON/OFF control function until a parameter in ...  
JPS641632Y2  
JPS6367682B2  
JPS6365971B2  
JPS63301302A
PURPOSE:To simplify a waste time compensating operation and to shorten the processing time of an arithmetic microprocessor by providing a sampler in the middle of a control system having the waste time in its input and setting the sampli...  
JPS63301376A
PURPOSE:To average the number of result data held by cut ingots and to shorten an editing processing time by providing process for deciding the next data collection timing based on a casting speed. CONSTITUTION:The casting speed detected...  
JPS63298609A
PURPOSE:To execute the follow without any error by providing a digital filter to output the sine wave signal string of a special frequency to a pulse input in a control device. CONSTITUTION:A follow-up control device is equipped with a m...  
JPS63298608A
PURPOSE:To execute the follow-up without any error by providing a digital filter to output a sine wave signal string with a special frequency group as a component to a pulse input in a control device. CONSTITUTION:A follow-up control dev...  
JPS6356562B2  
JPS63261402A
PURPOSE:To allow a practical field to easily accept a control system based on modern control logic or the like by calculating a control parameter of a PID control part so that a manipulated variable determined by the PID control part fol...  
JPS6353519B2  
JPS63204303A
PURPOSE:To obtain a transfer function with a wide range of frequency, by dividing a targeted transfer function into plural transfer functions, and adding the transfer functions after applying a digital arithmetic operation on each transf...  
JPS6342285B2  
JPS63197202A
A power servo system which includes an actuator (12) coupled to a load and receives an input command signal (Y) indicative of desired motion at the load. A sampled-data control system (20) receives and samples input signals indicative of...  
JPS63196902A
PURPOSE:To determine a control constant, which meets control system design specifications, with a light labor in a short time by inferring and determining the adjustment of design parameters and the characteristic of a control system bas...  
JPS63184811A
PURPOSE:To execute a speed control at a high speed and stably, even if an error is contained in a position signal, by predicting a speed and a position of a movable body of a control object in each sample period, and executing a control ...  
JPS6334481B2
A control loop provided with a control unit for realizing a transfer characteristic having a number of peaks at a fundamental frequency and harmonics thereof. The control unit comprises a memory device for digitally storing a number of s...  
JPS6399905U  
JPS63155203A
PURPOSE:To suppress vibrations by converting the sampling period of a speed command by a sampling period converting means to a specific value for the resonance period of a robot. CONSTITUTION:A controller 20 which controls the articulate...  
JPS63148310A
PURPOSE:To improve the response characteristic by forcibly driving a sample switch if a measured value or a set value is changed by a certain extent or more and stopping forcible driving for a certain time after the switch is forcibly dr...  
JPS63148309A
PURPOSE:To arbitrarily set the proportional gain of a sample value PI controller independently of the integral operating time by providing two sampling mechanisms. CONSTITUTION:If a deviation (e) occurs as shown in a figure (A) at a timi...  
JPS63137709A
PURPOSE: To permit extraction of sludge only when sludge turbidity is above a set value by detecting a sediment water by means of a sampling pump through 'open' operation of a sampling valve on a periodic base, and inputting the value of...  
JPS63127479A
PURPOSE:To enable an exact track follow operation against a disturbance such as a temperature change, etc., by determining a sampling interval according to a difference value between an offset quantity at the time of the sampling of this...  
JPS63126005A
PURPOSE:To execute control in a transient state independently of control in a steady state by deciding the existence of convergency of an estimation parameter in a discrete-time adaptive ON-OFF control means. CONSTITUTION:In the transien...  
JPS63118904A
PURPOSE:To easily perform the analysis of a fluid process, by estimating a fluid as divided mobile bodies having appropriate sizes, and simulating the mobile body with a discrete system simulator formed at every flow tube and the process...  
JPS63113987A
PURPOSE:To obtain correct digital information by changing a sampling period in accordance with a travel speed when a magnetic head is moved in a magnetic disk radius direction. CONSTITUTION:A period generating means 7 generates a samplin...  
JPS63111504A
PURPOSE:To improve the responsiveness by switching automatically a transient state control to a steady state control when the controlled variable reaches near a set level and deciding the parameter of the control by a discrete time model...  
JPS6315927Y2  
JPS6394304A
PURPOSE:To improve a responsiveness at the time of a rise and to execute a stable control at the time of a steady state by using an adaptive on and off control function in a transient state and executing a minimum discrete control in the...  
JPS6391701A
PURPOSE:To attain a stable control in a transient state by regarding a controlled system as a primary delay system and calculating its time constant tau and the changing amount of a controlled variable corresponding to said constant so a...  
JPS6318202B2  
JPS6385804A
In a control logic system (10) for updating physical property correlations, the difference between a calculated value (14) of a physical property and a laboratory value (12) of the physical property is determined (16) and combined (20) w...  
JPS6316200B2  
JPS6368907A
PURPOSE:To detect both long-period variation and short-period variation by comparing a sampled value obtained at a short period with a comparison reference value obtained at a period which is an integral multiple of said period, and obta...  
JPS638963Y2  
JPS6329339U  
JPS6344204A
PURPOSE:To improve control performance, by varying a sampling time corresponding to the number of moving axes, at the time of calculating the optimum operating quantity at every sampling time based on a mathematical model. CONSTITUTION:T...  
JPS6340867A
PURPOSE: To enhance operational accuracy, by altering a sampling interval corresponding to frequency inputted. CONSTITUTION: AC input is applied to an operational processing part 4 through a filter 1, a sample holding circuit 2 and an A/...  

Matches 651 - 700 out of 1,138