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Patent Searching and Data


Matches 251 - 300 out of 528

Document Document Title
JPH071222B2  
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 ...  
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...  
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...  
JPH0562244B2  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
JPH0424793Y2  
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...  
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...  
JPH0413722B2  
JPH047643B2  
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 ...  
JPH0414U  
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...  
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...  
JPH0320764B2  
JPH0313507U  
JPH0245201B2  
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...  
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...  
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...  
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. ...  
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 ...  
JPH0138641Y2  
JPH01150658U  
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...  
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...  
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...  
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...  
JPH0122641B2  
JPH0164013U  
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...  
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...  
JPS6362762B2  
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...  
JPS63139601U  
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...  
JPS63126911U  
JPS6339922B2  
JPS63118476U  
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...  

Matches 251 - 300 out of 528