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Patent Searching and Data


Matches 751 - 800 out of 3,877

Document Document Title
JPH10325401A
To provide a bilateral position and force transmission device to be excellent in complementary ability between operation of a cylinder on the master side and operation of a cylinder on the slave side and reduce size, and to provide a reh...  
JPH10313608A
To dissolve such an inconvenience that the operation of a hydraulic actuator becomes instable in the second half of a deceleration deviation range in the case of adopting an electromagnetic switching valve low in frequency characteristic...  
JPH10311301A
To change and control the performance of a oil pressure circuit in a software by controlling respective metering valves based on a required speed and utilizable pump flow rate. A controller 220 receives a direction and speed command and ...  
JPH10306801A
To reduce overshoot of control variables in a pneumatic apparatus having a dead time. When reference signals Sr change step by step, since a switch 208 is open, a pneumatic apparatus 15 having a dead time is started to drive by PD contro...  
JPH10299940A
To perform zero and span adjustment easily and in a short time without requiring operating of a valve stem by air supply and without requiring any measuring instrument. A valve opening setting mechanism 50 is established in a feedback me...  
JPH10299792A
To provide an operating device in which danger of self-locking of a cylinder, based on lateral force or tilting moment caused by receiving of an interlocking releasing signal is substantially reduced or eliminated. A pressure medium powe...  
JPH10296400A
To provide a driving control device which can sufficiently restrain oscillation characteristic in a resonance system and can stably work a mold oscillation device in a desired operation waveform. In a control device 60 according to a com...  
JPH10296401A
To stably work an oscillation device by restraining the oscillation characteristic. A control device 30 contains a driving waveform generating means 34 for generating a command value of spool position and the command speed of the spool f...  
JP2584122Y2  
JP2811690B2  
JPH10273294A
To provide a speed control device for a tilt cylinder formed so as to reduce a shock in a stroke end by automatically decelerating a speed of the tilt cylinder when it comes adjacent to the stroke end, when a mast is tilt operated. Betwe...  
JPH10510616A
(57) The electronic liquid pressure type control valve equipment (10) for performing movement control of a summary liquid pressure motor has an operational main control valve (11) and an electronic liquid pressure type servo control valv...  
JPH10274102A
To provide a control device for a pressure-response operation type actuator to realize high speed responsiveness without damaging durability of an object to be driven. A control device for a pressure-response operation type actuator is p...  
JPH10274101A
To provide a control device for a pressure-response operation type actuator to improve durability of a position sensor. A control device for a pressure-response operation type actuator 5 is provided with a pressure chamber 5a to which a ...  
JP2582436Y2  
JP2808868B2  
JPH10267003A
To provide a hydraulic actuator drive circuit provided with a damping mechanism of high reliability relating to trouble and mixing of air. In a servo valve 63 of an electrohydraulic servo valve 61 controlling an actuator 62, in accordanc...  
JPH10262414A
To provide a tractor with which structure is simplified, the number of parts is reduced and operability is improved by changing the operating speed of external hydraulic equipment corresponding to the manipulated variable of lever from a...  
JPH10262413A
To provide a tractor with which structure is simplified and operability is improved by setting a prescribed control mode with external hydraulic equipment control for controlling external hydraulic equipment corresponding to the operatio...  
JP2795601B2  
JP2795602B2  
JPH10222229A
To provide an inexpensive controller by providing a low speed A/D converter controlling a displacement sensor and a low speed processor. Energizing current is inputted to the displacement sensor 21 from the origination means 13 of the co...  
JPH10220258A
To quickly move an actuator and stop it to a target value by automatically correcting the deviation of the return position, to be generated on a control valve mechanism caused by the ambient temperature and the manufacturing error. In a ...  
JPH10205643A
To regulate the flow rate of a fluid, and form a control valve mechanism having a high reliability at low cost by switch-controlling a 4 port-3 position solenoid switching valve so as to match a setting signal outputted by valve opening ...  
JPH10184556A
To control pump discharge in the same way as before the generation of a failure even in case of the failure being generated to an electric system in a hydraulic pump displacement control device performing electromagnetic proportional con...  
JP2771953B2  
JP2772159B2  
JPH10169828A
To lineary vary a degree of an opening of a control valve and actually remove a deadband of a valve body. A hydraulic cylinder controller has a spool valve 6 having a circular opening, a controller 21 for outputting a control pulse signa...  
JP2770132B2
PURPOSE: To eliminate trouble such that a resin is injected at high speed in an unprepared state even when power failure is generated. CONSTITUTION: In an injection molding machine equipped with a hydraulic cylinder having a double-rod t...  
JPH10169603A
To automatically correct discrepancy of a return position generated in a control valve mechanism by an ambient temperature and an error of manufacture. In a hydraulic cylinder 3, pressure oil from a hydraulic pressure source 1 is supplie...  
JPH10169602A
To provide a liquid pressure driving gear whereby feedback control can be operated even in the case of driving a a liquid pressure cylinder by pressure liquid from a liquid pressure pump driven by an electric motor. A liquid pressure pum...  
JP2767436B2  
JP2762356B2  
JP2758493B2  
JPH10141305A
To drive a spool of a servo valve continuously by branching off a desired value into two parts, adding a bias signal to each signal whose one side is inverted, and controlling a volt-ampere converter for an electromagnet after getting th...  
JP2756096B2
PURPOSE: To provide a rotary actuator which has superior transmission efficiency of torque, has a compact size and long life, and easily detect the rotation angle. CONSTITUTION: A rotary actuator is provided with a piston 17 having a fem...  
JPH10131916A
To attain miniaturization and high efficiency and hold an initial position at the time of non-operation by rotating a partition valve by oil pressure fed to an oil pressure chamber, taking its motion off to an output shaft, and providing...  
JPH10131912A
To provide a compound type hydraulic actuator suited for intake/ exhaust valve open/close timing control of an internal combustion engine having sufficient drive force, good responsiveness and a wide control range. An actuator comprises ...  
JPH10131903A
To avoid worsening of control stability, disturbance restrainability, and the like by composing a transfer function of one path in a control system of an approximate model lowered in dimension and coinciding with a transfer function of t...  
JPH10131910A
To make a forward/reverse turn angle by a cylinder device 180 degrees or more in a turn unit. Between a turning body 1 and a fixed part 3, a pair of cylinder devices 10, 15 connected to the turning body 1 by a common connecting shaft 8 a...  
JPH10131909A
To make a forward/reverse turning angle by a cylinder device 180° or more in a turning unit. Between a turning body 1 and a fixed part 3, a main cylinder device 10 is arranged and between the fixed part 3 and the main cylinder device 10...  
JPH10131902A
To prevent shock at the time of braking by imputting the empirical value as the initial value of back pressure deceleration stroke and time lag, outputting a back pressure command signal when piston displacement satisfies the condition o...  
JPH10110702A
To provide size reduction by fitting a hydraulic control valve to the casing of an actuator in the roughly radial direction and forming a valve mecha nism and a hydraulic passage inside the casing. A hydraulic control valve 23 fitted on ...  
JPH10504371A
(57) The control device for a summary liquid pressure drive, especially liquid pressure cylinder piston assembly object is indicated, and the valve which controls a drive, 液圧源, and the liquid pressure-transmitting-medium object flo...  
JPH10110846A
To attain a minute flow amount adjusting device by connecting a vessel to high and low pressure side pipe passages alternatively and intermittently by means of a valve which is intermittently opened and closed, and flowing fluid of a mea...  
JPH10103301A
To provide a throttle actuator to increase an operation speed, be excellent in durability, and reduce a cost. A hydraulic motor type throttle actuator 20 comprises mainly a hydraulic motor part 20b, a rotor 20c, and a solenoid 20d. The h...  
JPH10103302A
To reduce the occurrence of the strain of a response waveform to an input waveform and improve stability of a control system. A control device for a hydraulic exciter comprises a cylinder 4 to control the feed an discharge of working oil...  
JPH1097301A
To monitor the dead zone of a controlled system on-line and set a compensator which compensates the dead zone on-line by estimating an inverse function by using an estimated dead zone and fuzzy inference, and performing carry-up by using...  
JPH1096401A
To move an actuator at a constant speed. A stair-form position signal to change a position set signal 13 by a unit amount at intervals of a unit time is outputted by a controller 18. After the position signal is compared with a feedback ...  
JPH1091210A
To provide a robust and stable servo control system even when a servo valve which adjusts working oil supplied from a hydraulic pressure source to an actuator has a modeling error. This servocontrol system adjust the working oil supplied...  

Matches 751 - 800 out of 3,877