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JPS622367Y2 |
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JPS628477U |
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JPS629001A |
PURPOSE:To prevent a vibration of a cylinder at the time of an emergency cut off by providing an emergency cutoff device whose operating speed is slower than that of a servo valve operating in maximum throttle condition, between the serv...
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JPS624601U |
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JPS623638A |
PURPOSE: To continue the test while always keeping high-precision control by providing a set signal amplifier in the succeeding stage of a signal generator which outputs a target value signal, and changing the signal amplification factor...
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JPS622008A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS62363B2 |
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JPS6219B2 |
A control unit for controlling fluid flow to a fluid motor and for producing a flow proportional to the rate of rotation of an input shaft and for applying a pressure to the fluid motor proportional to the applied torque on the input sha...
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JPS6218B2 |
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JPS6220B2 |
A control unit for controlling fluid flow to a fluid motor and for producing a flow proportional to the rate of rotation of an input shaft and for applying a pressure to the fluid motor proportional to the applied torque on the input sha...
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JPS61295135A |
PURPOSE:To eliminate sudden acceleration and an impact at the time of a sudden change in synchronous load at the side of a speed change gear as well as to make improvements in durability of the speed change gear, by closing a feed-exhaus...
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JPS61204208U |
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JPS61282602A |
PURPOSE:To improve the accuracy of a stop position by storing each stop position error every time and making an amended decision on a subsequent operational position of a locking unit while taking a stop position error into account. CONS...
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JPS6157515B2 |
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JPS61194829U |
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JPS61193201U |
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JPS61270501A |
PURPOSE:To make it possible to control the stopping position of a hydraulic cylinder, with an insignificant error, by detecting the over-run quantity of the hydraulic cylinder, and outputting the next stop command at the time which is de...
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JPS61192501U |
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JPS6150829B2 |
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JPS6150830B2 |
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JPS6136801Y2 |
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JPS6145579B2 |
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JPS61223303A |
An electrohydraulic servo control system which includes a position feedback loop (14, X) responsive to actual position at the hydraulic actuator (12) and load, and a position command reference generator (22) responsive to an operator joy...
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JPS61218993A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6143721B2 |
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JPS61218802A |
PURPOSE:To reduce the hysteresis error of a negative pressure actuator by providing second bias means held by a plunger for moving the valve member of an electromagnetic pressure control valve and a piston in the body of the negative pre...
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JPS61206802A |
PURPOSE:To simplify constitution, by a method wherein a signal from a position detector is inputted to a microcomputer, and an electric motor for a reversible pump is controlled by means of an output from the microcomputer. CONSTITUTION:...
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JPS6140841B2 |
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JPS6140585B2 |
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JPS6129574Y2 |
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JPS6129210Y2 |
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JPS6129209Y2 |
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JPS6129208Y2 |
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JPS61189301A |
PURPOSE:To accurately control a hydraulic cylinder by comparing a preset position with a target position obtained by integrating a speed indication signal, and controlling low speed and high speed valves according to a comparison result....
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JPS61131707U |
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JPS61122126U |
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JPS61157805A |
PURPOSE:To decrease the turning torque of an input shaft and to reduce an electric motor in size by inserting an input shaft of an actuator in the interior of a rotor of the electric motor, inserting an output shaft of the actuator in th...
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JPS61112102U |
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JPS61501413A |
A load dynamic compensation circuit for a servohydraulic control system for fixtures and specimens being tested operating in various degrees of freedom, for example in an environment to simulate earthquakes to test building specimens, or...
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JPS61149601A |
The system includes a first pair of actuators (20A, 20B) and control arrangements (21, 22) for the respective actuators (20A, 20B). Each control arrangement includes a control circuit (31) for generating an actuator position error signal...
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JPS6121601Y2 |
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JPS61140601A |
PURPOSE:To improve responsibility of an actuator by detecting difference between actual measured position and objective position of the actuator and controlling opening and closing of a supply-discharge valve of the actuator with duty ra...
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JPS6199704U |
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JPS6197602U |
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JPS61132787A |
In the pressure regulation of a variable displacement pump very high pressures can build up in the pump delivery line if at the consumer no discharge of the fluid takes place, for example the piston of a servo motor moves against a stop....
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JPS6125922B2 |
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JPS6125915B2 |
PURPOSE:To meke it possible to obtain an optional output property, by incorporating a control device, which adjusts a tilting angle of a tilting plate and varies a discharge volume, and a pressure compensator valve.
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JPS6125923B2 |
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JPS61127902A |
PURPOSE:To make a hydraulic servo system stable and highly responsive, by detecting natural vibration in a system, and on the basis of this detection value, compensating a system gain. CONSTITUTION:A filter 14, which extracts only a freq...
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JPS61124701A |
PURPOSE:To reduce a hydraulic actuator in size and weight by incorporating an electric motor in a housing and disposing a rolling bearing between the housing and the input shaft. CONSTITUTION:An electric motor comprising an electric moto...
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