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JP2646532B2 |
A signal interpolator for time base expanding a portion of an input sample signal of given sample rate by deriving, from the input sample values, interpolated output sample values at the sample rate, the signal interpolator comprising an...
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JPH09217701A |
To constitute a feed back control system by using a value for detecting properties about the limited number of variables, and a calculating device for carrying out a simple calculation processing, and suppress vibration of a structure ef...
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JP2638940B2 |
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JP2635747B2 |
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JPH09192591A |
To shorten the measuring time of a coating amt. while ensuring predetermined measuring accuracy and to measure coating thickness capable of enhancing the control accuracy of film thickness. When a coating material in a coating vessel is ...
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JP2629065B2 |
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JPH09160617A |
To lighten the load on a control part as much as possible. A servocontroller 100 is an (n+1)-axis simultaneous control type and controls servo driving systems for (n) axes individually. Measurement controllers 130a and 130b relay a detec...
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JP2619697B2 |
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JP2615559B2 |
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JP2606172B2 |
PURPOSE: To provide a control method for robot arm superior in flexibility on the control by operating plural operation shafts (numbers of degrees of freedom) constituted in the robot arm independently of one another. CONSTITUTION: A con...
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JP2586524B2 |
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JPH0956070A |
To provide a prediction controller which can suppress ineffective operations without deteriorating the control accuracy by using the predicted output value of an object to be controlled several minutes later. A prediction controller is p...
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JP2579042B2 |
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JP2578258B2 |
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JP2576449B2 |
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JPH0923152A |
To mechanically increase the number of counts by time-dividedly transferring counter data of prescribed timing from a memory storing counter data of all timing. When a clock CLK3 generated by a clock generating circuit is applied to an o...
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JPH0916273A |
PURPOSE: To obtain quick response and reduce discrete noises and aliasing noises by setting a proper thermal time constant for a temperature sensor and setting a control period to a control period shorter than the sampling period of a sa...
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JPH0910755A |
PURPOSE: To realize the highly reliable operational control of water quality capable of corresponding to a change in season and weather, a plant operation state and sudden disturbance. CONSTITUTION: A feedback injection rate operation de...
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JPH096404A |
PURPOSE: To ensure control stability and safety of a plant even in the case of digital differentiation arithmetic operation adopting the twin linear conversion system. CONSTITUTION: The digital PID controller where a deviation is obtaine...
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JP2567158B2 |
A feedback controller of the present invention comprises a controller (21). The controller controls to input a reference value (R) instructing a controlled variable (eo) output from a controlled object (10) operated in accordance with a ...
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JP2564806B2 |
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JP2563894B2 |
A process control apparatus wherein dynamic characteristics of a process are identified in accordance with process inputs (u(t)) and outputs (y(t)), so as to tune digital PID parameters (Kc, Ti, Td) in accordance with the identified dyna...
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JPH08329506A |
PURPOSE: To easily vary a cutoff frequency according to an optical pickup actuator characteristics by providing a function to vary the time from an error signal input until a control signal output by means of a division processing in a s...
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JPH08328643A |
PURPOSE: To sensitively detect significant fluctuation in a process without being affected by noise. CONSTITUTION: The mutual correlation cofficients between secular measured data of two process values related in the causation in a proce...
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JPH08328644A |
PURPOSE: To analyze significant fluctuation in a process systematically. CONSTITUTION: In a process having lots of process variables in which causality relations are related to each other in terms of a tree structure, the process variabl...
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JPH08297511A |
PURPOSE: To provide an abnormality diagnostic device for process signal which holds a normal process signal under normal control in the case of abnormality of the process signal and suitably carries on operation control over a plant in a...
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JPH08292809A |
PURPOSE: To give scope for the processing of the numerical control device by machining the shape of a joint of machining between blocks with high precision and reducing the load on the numerical control device. CONSTITUTION: A machining ...
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JPH08286727A |
PURPOSE: To provide a control method which can be applied even to such a process that is hard to be modeled and also to eliminate the need for modeling and to improve the preset accuracy. CONSTITUTION: The past result information u (i), ...
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JPH08272433A |
PURPOSE: To collect process data even when abnormality occurs in data collection processing time by providing results time series time and processing to be started up at a timing when prescribed frequencies of edit of time series data ar...
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JPH08272437A |
PURPOSE: To surely grasp a trend and abnormality of process data by displaying the peak value of collected process data. CONSTITUTION: A sampling value of one pixel is read in by sampling the process data, and when two or more sampling v...
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JP2541163B2 |
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JPH08249065A |
PURPOSE: To improve both of responsiveness and convergence. CONSTITUTION: A target position XT is set (S1), and an actual position XR is detected (S2). A deviation ΔX=XT-TR is calculated (S3). A multiple N (=1, 2,...) to determine the i...
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JPH08241129A |
PURPOSE: To evade vibration which is caused only in the extremely low speed state, specially, the stop state of an electric motor. CONSTITUTION: For the switching method of the servo constant of a servo driver 2 which inputs a command pu...
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JPH08227312A |
PURPOSE: To provide an automatic measuring interval control device capable of automatically controlling a variable measuring interval for a base control system in accordance with the state of a controlled system and attaining efficient s...
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JP2524931B2 |
PURPOSE: To improve the accuracy of linear movement at the drive start and the drive end time and enable high speed linear movement by linearly accelerating and decelerating the speed distribution at the time of linear movement of a robo...
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JP2512917B2 |
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JPH08152901A |
PURPOSE: To provide an automatic control method with which the satisfactory controlled result can be obtained and disturbance suppressing characteristics are improved even when a controlled object has non-linear characteristics. CONSTITU...
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JPH08137530A |
PURPOSE: To more efficiently acquire sampling data, to simplify program preparation and program management and to reduce the required amount of a memory for program registration. CONSTITUTION: This controller is provided with a control p...
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JPH08123537A |
PURPOSE: To enable a high-speed positioning operation without generating delay for M steps by shifting the contents of a memory storing a target command to the past for one sampling at the next sampling time and storing the target comman...
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JPH0895643A |
PURPOSE: To compensate the rising delay of a current loop and to improve the command following performance by using the acceleration compensation data of early timing for a velocity feedforward control system which differentiates a veloc...
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JPH0830979B2 |
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JPH0828072B2 |
A disk file digital servo control system incorporates means for measuring the time between samples of read/write head position error signals (PES), and uses a value of that measured time as part of the computation of the digital control ...
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JPH0823764B2 |
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JPH0854915A |
PURPOSE: To decide the wear of a tool with higher accuracy in a machining load monitor system which monitors the machining load of a numerically controlled machine tool. CONSTITUTION: A trial machining load data storage means 1 stores th...
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JPH0816847B2 |
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JPH0812022B2 |
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JPH083065Y2 |
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JPH086612A |
PURPOSE: To samples many kinds of control data at the same time and to trace a sequence for a long time by bringing respective means under sequence control according to key input, acquiring analytic data from a memory and displaying them...
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JPH081565B2 |
A method for minimizing the truncation error robot system comprising the first step receiving the position increasing data of time from the main part, the second step dividing said position increasing data by n/2 and then saving it into ...
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JPH07334208A |
PURPOSE: To reduce followup deviation, to prevent an operation from getting vibratory and to enable a followp operation with much higher precision by switching a look-ahead control parameter even when speed control arithmetic operation i...
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