| Document |
Document Title |
|
JPS6430903A |
PURPOSE: To improve positioning accuracy by driving a servo valve by a servo- amplifier of two-stage gain having a large gain only in the vicinity of a neutral point. CONSTITUTION: A servo-amplifier part 6 is constituted of a deviation a...
|
|
JPS6420502U |
|
|
JPS6415803U |
|
|
JPS644044B2 |
1. Electrohydraulic adjusting drive for turbine valves, in particular for regulating valves of steam turbines, with a) a hydraulic adjusting cylinder (1), whose servo piston (2) controls the extent to which the turbine valve is opened an...
|
|
JPS6415508A |
PURPOSE: To improve speed change feeling by adding a correction factor to a difference between actual and target positions of a control object corresponding to oil temperature and line pressure and determining a predetermined control gai...
|
|
JPS6415507A |
PURPOSE: To improve controllability by inputting actual and target positions of a control object to an electronic controller where they are integrated and stored, then calculating an operating amount based on a specific control algorithm...
|
|
JPS6412101A |
PURPOSE: To improve stability of a servo system by inserting a secondary advance delay circuit, the natural frequency of which is lower than that of machine element, in forward elements from a controller to the machine element. CONSTITUT...
|
|
JPS6412108A |
PURPOSE: To simplify an apparatus and to lessen dead zone of a pressure control valve by obtaining a deviation between the position of a controlled system and a target position and controlling a flow control valve according to a signal s...
|
|
JPS643301A |
PURPOSE: To ease a shock at the time of stopping a piston by providing a flow regulating mechanism on a fluid supply and discharge passage, and connecting the mechanism and a brake to a controller related to a detection signal of a pisto...
|
|
JPS64256Y2 |
|
|
JPS63318301A |
PURPOSE: To securely and stably control poppet valves by selectively connecting pilot chambers of the poppet valves to the first and second ports through seat valve shaft pilot three-direction electromagnetic valves. CONSTITUTION: Pilot ...
|
|
JPS63315376A |
PURPOSE:To make it possible to change the manipulatability and to avoid a risk such as turn-over due to abrupt level manipulation or the like, by delivering a drive amount signal with a delay factor the degree of which may be changed by ...
|
|
JPS63198402U |
|
|
JPS63196801U |
|
|
JPS63503472A |
PCT No. PCT/FR87/00212 Sec. 371 Date Feb. 11, 1988 Sec. 102(e) Date Feb. 11, 1988 PCT Filed Jun. 11, 1987 PCT Pub. No. WO87/07686 PCT Pub. Date Dec. 17, 1987.Means for servo-controlling the position of a pneumatic actuator (14) comprise ...
|
|
JPS63195103U |
|
|
JPS63195104U |
|
|
JPS63297801A |
PURPOSE: To make the structure of the positioner in the caption compact in its size and improve its accuracy and responsiveness by building a spool valve in a piston, and directly connecting the spool valve to a servomotor through a ball...
|
|
JPS63297802A |
PURPOSE: To simplify the structure of the device in the caption and reduce the size and weight thereof by providing an electromagnetic valve which works in case of uncontrollable servoactuator and an resetting means which resets the serv...
|
|
JPS63187702U |
|
|
JPS63187701U |
|
|
JPS6361521B2 |
|
|
JPS6361522B2 |
|
|
JPS63282070A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPS63173502U |
|
|
JPS63173501U |
|
|
JPS63173503U |
|
|
JPS63171801U |
|
|
JPS6354594B2 |
PCT No. PCT/US80/00228 Sec. 371 Date Mar. 3, 1980 Sec. 102(e) Date Mar. 3, 1980 PCT Filed Mar. 3, 1980 A hydraulic servo steering system (10) for vehicles has a steering valve (24) for directing fluid to steering cylinders (16,17) in res...
|
|
JPS6339167Y2 |
|
|
JPS6350237B2 |
The invention relates to a steering control system for a bidirectional servomotor connectable to steerable wheels. The servomotor may be of the differential type in which a rod extending from one side of the piston thereof causes the eff...
|
|
JPS6337166Y2 |
|
|
JPS63231001A |
PURPOSE: To return sticking of a control valve-spool to a normal state in a short time by adding a hydraulic actuator for shearing a chip, which is operated on judging that a valve gets out of order and independent of control valve drivi...
|
|
JPS6345338B2 |
|
|
JPS63214502A |
An electrohydraulic servo system which includes an actuator with a cylinder (18) and piston (22), a servo valve (12) and control electronics (26) responsive to piston position for generating the valve control signals. A variable frequenc...
|
|
JPS6344110B2 |
|
|
JPS63133603U |
|
|
JPS63203902A |
PURPOSE: To perform speed control in crawling range accurately by controlling a duty ratio in response to the change of a deviation when a hydraulic actuator reaches a crawling range which is previously set. CONSTITUTION: Outputs from a ...
|
|
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...
|
|
JPS6340961B2 |
|
|
JPS63195401A |
PURPOSE: To enhance responsiyenss by outputting a control signal during the control output time corresponding to a telescopic working amount, which is control target value of a hydraulic cylinder, detected by a sensor based on the charac...
|
|
JPS63192920A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
|
|
JPS63186001A |
An electrohydraulic servo system which includes one or a plurality of pressure compensated flow control servo valves (12, 14) for feeding hydraulic fluid from a variable displacement pump (16) to associated actuators (18, 20) and loads (...
|
|
JPS63118402U |
|
|
JPS63176801A |
PURPOSE: To improve the accuracy of a stopping position by alternately repeating the first procedure for adding a thrust and the second procedure for eliminating a thrust when the shift of a piston reaches near the stopping target positi...
|
|
JPS6335473B2 |
The invention relates to a steering control unit for a bidirectional servomotor which is connectable to steerable wheels. A steering wheel controlled quantity setting unit of a known type has ports connectable to a pump and a return tank...
|
|
JPS63167101A |
PURPOSE: To prevent pressure oil from its waste while to improve a protecting function for a break, by constituting a hydraulic servo device using plural poppet-type solenoid valves as the duty ratio control servo valve. CONSTITUTION: Co...
|
|
JPS6396302U |
|
|
JPS63145802A |
PURPOSE: To minimize an impact at the end of a stroke by finding the actuating speed of a hydraulic actuator and also finding a cushion stroke starting position in response to the variation of the actuating speed to control the throttle ...
|
|
JPS6321761Y2 |
|
