Document |
Document Title |
JPH071222B2 |
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JPH06509198A |
A control system, having an input command signal and driving a prime mover, is provided with variable magnitude and/or rate input signal limiting that is adjusted by maps 68,70,72,74 which set the limits for a variable magnitude limiter ...
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JPH06175737A |
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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JPH06161561A |
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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JPH0562244B2 |
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JPH05134704A |
PURPOSE:To execute highly precise control without the occurrence of hunting. CONSTITUTION:An output value B changes when a control set point A exceeds blind sector width W in an output controller where respective upper and lower limit se...
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JPH0525503U |
[Purpose] It relates to a control device that controls the operation of a system such as a machine or a plant, and particularly eliminates hunting in the system. [Constitution] The output shaft of the diesel engine 10 is connected to the...
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JPH0541903A |
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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JPH04364387A |
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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JPH04329408A |
PURPOSE:To converge at a controlled variable in a short time by calculating a manipulated variable from a specified expression when executing an average algebraic converging operation, executing this operation for each sampling cycle and...
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JPH04316108A |
PURPOSE:To obtain a method for controlling positioning by which a sufficiently strong acceleration force is obtained and, at the same time, no hunting nor blind sector is generated. CONSTITUTION:A subtracter 1 subtracts a voltage indicat...
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JPH04255007A |
PURPOSE:To suppress the oscillation of a control target such as a robot having a low frequency oscillation system by status feedback for specifically filtering a twist variable and a twist speed. CONSTITUTION:A twist variable epsilon and...
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JPH04227501A |
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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JPH04171507A |
PURPOSE:To attain the stable control of the water level without causing a hunting phenomenon by making the inflow subject to the characteristic which is inversely proportional to the water level when the water level of a distributing res...
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JPH04171506A |
PURPOSE:To keep a constant water level under stable control despite a small change of the water level by setting the opening amount of an inflow valve so as to be inversely proportional to the water level when the water level of a distri...
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JPH0424793Y2 |
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JPH0427564B2 |
The control circuit employs a controller having an I-member and a servo-motor whose rate of adjustment is limited and which is associated with a follow-up. The follow-up enables the operative movement of the servo-motor to act on a compa...
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JPH04133013A |
PURPOSE:To secure high tracking accuracy without decreasing the zooming speed is obtained corresponding to a zoom position, and controlling the rotating speed of a zoom motor. CONSTITUTION:A 2nd group lens 22 is driven by a zoom motor 28...
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JPH0413722B2 |
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JPH047643B2 |
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JPH04288B2 |
The PI controller for a blockable servo motor comprises a selector having a first, normal operating position in which a difference signal is fed to the I network. In the other position, the output of a subtraction member is fed to the I ...
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JPH0414U |
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JPH03179501A |
PURPOSE:To easily and quickly control a hydraulic servo system with higher accuracy by providing a simulation circuit which simulates the ideal dynamic characteristic of the servo system, a feedback control means, a hunting detection mea...
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JPH0332802B2 |
PCT No. PCT/EP83/00078 Sec. 371 Date Oct. 18, 1983 Sec. 102(e) Date Oct. 18, 1983 PCT Filed Mar. 16, 1983 PCT Pub. No. WO83/03315 PCT Pub. Date Sep. 29, 1983.FIG. 2 illustrates a process and an apparatus for controlling a controllable ma...
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JPH0320764B2 |
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JPH0313507U |
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JPH0245201B2 |
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JPH02228701A |
PURPOSE:To suppress vibration generation, to improve system response, and to stabilize the system as a whole by reducing an integration gain as the difference between a motor speed and a machine speed increases at the time of stopping an...
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JPH02107120A |
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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JPH0231201A |
PURPOSE:To ensure the stable feedback control by detecting a hunting phenomenon due to the disturbance and giving the change and the control to the gain. CONSTITUTION:A hunting deciding means 58 inputs the detection value 30 given from a...
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JPH01321501A |
PURPOSE:To always ensure the working of a system even in case the system stability is rapidly changed and a manual switching action is difficult by performing a feedback action with the signal received from a stability deciding circuit. ...
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JPH01296311A |
PURPOSE:To stabilize discrete system control and improve the control accuracy without increasing the cost and complexity by setting the sampling frequency of the discrete control system to a specific frequency. CONSTITUTION:The sampling ...
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JPH0138641Y2 |
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JPH01150658U |
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JPH01248211A |
PURPOSE:To improve the force fight decrease effect by compensating the stability of a control of an electric/hydraulic servo-system, based on a difference between a different signal of output signals of a lagging means and a differentiat...
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JPH01185701A |
PURPOSE:To reduce a routine error and to prevent a limit cycle from being generated by switching two control setting deviation as a fundamental quantity according to an oscillation suppression decision rule, and generating ternary output...
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JPH01130201A |
PURPOSE:To eliminate an oscillation at the time of an excessive signal by saturating a component of a transfer function G2 before a component of a transfer function G1 becomes a saturated state at the time of an abnormality and setting t...
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JPH0125010B2 |
A process and apparatus for obtaining harmonic-free periodic signals in an incremental measuring system is disclosed in which a graduation having a graduation period P is scanned by at least six scanning elements (for the case in which t...
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JPH0122641B2 |
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JPH0164013U |
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JPS6479801A |
PURPOSE:To simplify monitoring operation by mutually relating plural block diagram pictures obtained by successively thinning apparatuses constituting equipment or its system diagram, measuring the operating state of each apparatus to be...
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JPS641001A |
PURPOSE:To smoothly operate a servo motor and to prevent it from being not able to be operated, by gradually extending the pulse width to control the servo motor till coincidence between a variable to be controlled and a control target v...
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JPS6362762B2 |
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JPS63292201A |
The overshooting of a controller beyond the desired value to be observed is avoided by initially assigning the controller an auxiliary desired value to be approached which is at a distance from the main desired value to be observed which...
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JPS63139601U |
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JPS6342281B2 |
A PID controlling meter is provided with unit for displaying an amount of operation representing the sum total of the bias constant and the operation result of three terms, i.e., a proportional term, an integrating term and differentiati...
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JPS63126911U |
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JPS6339922B2 |
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JPS63118476U |
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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...
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