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Patent Searching and Data


Matches 1,151 - 1,200 out of 20,190

Document Document Title
WO/1991/011298A1
A teleoperation system includes a master station (200) having an operable master link (204) coupled to a master actuator (208) which provides force resistance to operation and movement of the master link (204) in response to command sign...  
WO/1991/010948A1
A ten axes control system controls the position of two respectively independent machines with associated sensors, whereby the sensors are arranged to move relative to and in opposite sides of a component in timed sequence. The control sy...  
WO/1991/010178A1
The invention relates to a process for controlling an actuator which can be adjusted by means of a proportional valve controlled by two control magnets with counteracting control pulses. The phase angle between the control pulses is vari...  
WO/1991/010181A1
An observer is used to quickly and reliably detect a collision between a servomotor-driven member and an obstacle so as to prevent damage to mechanical parts. The observer (50) includes blocks (51-54) having transfer functions (Kt/J, K3,...  
WO/1991/009198A1
A drive device for movable components, e.g. window winders in motor vehicles, has a reversible electric motor (10) and a control device (16) for switching the motor (10) on in a predetermined direction of rotation of its rotor spindle (1...  
WO/1991/008952A1
A device (98) is provided for adjusting wrapping rollers (36, 37) of a coin wrapping machine so that coin stacks of different denominations can be wrapped. The device automatically adjusts the wrapping rollers (36, 37) to any one of a la...  
WO/1991/009357A1
A sliding mode control system including feedback of an amount of twist for controlling a servo loop, which comprises the steps of reading (SP1) of the positions of a servo motor and a mechanical operation portion driven by the servo moto...  
WO/1991/009358A1
A servo motor control method which enables optimum backlash acceleration correction to be made automatically under various operating conditions of a machine. The backlash acceleration correction is initiated at the time of reversing of t...  
WO/1991/008085A1
The invention concerns a process and a device for zeroing a spindle, in particular a rotating spindle, using a zeroing sensor (4) set up on the spindle (2). The invention also calls for a position-measurement system (1) which generates p...  
WO/1991/007710A1
A feedback position control method of performing appropriately and easily a position control in a variety of machinery. A pulse count converter (5) calculates the sum of the product of the number (xn) of feedback pulses delivered from a ...  
WO/1991/006901A1
A motion and position control for use in a system (10) that includes a motor or other prime mover (12, 13) for moving a tool or other device (11) and a sensor (14, 15) that generates a signal representative of the position (Sx, Sy) of th...  
WO/1991/005297A1
A process for regulating a setting system (10) subject to friction is proposed in which the non-linear characteristic (20) of the position regulator (12) is fixed in such a way that the amount of the value Ns, Vs fed to the setting syste...  
WO/1991/005295A1
This invention provides a closed loop servo motor control method which is excellent in both control stability and response characteristics. In a speed control part (10) of a servo system the following operation is conducted. The product ...  
WO/1991/005296A1
This invention relates to a sliding mode control method which can improve a property of a control system to follow up an instruction at the time of change of the operation conditions of a machine and can prevent vibration of the machine ...  
WO/1991/003780A1
A method of controlling a robot, by which the robot can be prevented from causing vibration arising from low rigidity thereof. A processor in a digital servo circuit cyclically performing loop processing of position, speed, and electric ...  
WO/1991/003048A1
In order to adjust the scanning device of a positioning device, the unit to be positioned is taken manually to a given place. The sensor of the scanning device is then adjusted so that ist output signal is at its maximum. To shorten and ...  
WO/1991/002625A1
A profile control apparatus which prevents overcutting by a cutter at a corner portion by moving a tracer head ahead of the cutter. A first delay speed instruction Vxm or Vzm is determined by a first delay circuit (14a or 14c) having a t...  
WO/1991/000976A1
Fine adjustment control mechanism for orientation and/or positioning a pay load, characterized by the fact that it comprises: elastic means formed by at least one continuous band (10); a means of support (15) for the load capable of conv...  
WO/1990/013857A1
A method of sliding mode control which decreases the steady deviation from the control target and which improves control stability by adapting the control system to a change in the system parameter. The processor in a digital servo circu...  
WO/1990/011562A1
A feedforward control unit capable of smoothly and stably operating a servomotor. A first feedforward control quantity obtained by differentiating a position instruction (a) at a first feedforward term (44) is added to a control output o...  
WO/1990/011166A1
A manual intervention method for adjusting the position of an industrial robot by manual operation while the industrial robot is automatically operated. The robot is shifted to the mode where manual transfer is possible by a service code...  
WO/1990/010930A1
A system and method for controlling the movement of a member, particularly the heads of a disk file, to a specified position in a predetermined path, makes use of an electromagnetic actuator responsive to control signals and of position ...  
WO/1990/009627A1
A method of setting teaching data in a visual sensor system whichis capable of automatically and quickly setting optimum teaching data. A circular sample picture is processed to tentatively determine setpoint values of first to sixth par...  
WO/1990/008016A1
A positioning correction for robots, capable of preventing a decrease in the positioning accuracy, which is ascribed to an error specific to a robot. Simultaneous equations including link length errors (DELTA11, DELTA12) and actual angle...  
WO/1990/007032A1
The teaching/playback method of a working machine in accordance with the present invention is the method which is used for automating the operations of a hydraulic excavator and other construction equipment. The operations of a working m...  
WO/1990/004815A1
This invention relates to a reference point return system for executing a reference point return operation in a numeric controller. It consists of a deceleration dog (3) disposed on a machine table (1), a deceleration limit switch (2) op...  
WO/1990/003603A1
A servo controller which, when the rotational direction of the servo motor is inverted, adds backlash correction data (BC) to position deviation data (PC) to generate a speed instruction (VCMD) and adds backlash acceleration quantity (BA...  
WO/1990/003060A1
Apparatus for controlling items such as blinds or the like includes a motor (50, 56, 62, 68, 70, 71) operatively connected to drive said item(s) and control circuitry (51, 53), (57, 58), (63, 64), (72, 73) including a link of cable (52, ...  
WO/1990/002367A1
A numerical controller which gives an instruction to a machine tool that uses a main shaft motor (5) to return to the origin, in order to control the position of a tool. The main shaft can be returned to the origin by simply giving an in...  
WO/1990/001732A1
This invention relates to an impingement detection/driving stop method which can quickly detect the impingement of a machine operation portion driven by a servo motor against foreign matters, can quickly stop driving of the machine opera...  
WO/1990/001187A1
An apparatus for controlling acceleration and deceleration for servo control capable of reliably suppressing vibration of a servo motor that is a source for driving machines. The apparatus for controlling acceleration and deceleration is...  
WO/1990/001188A1
A method of returning a mechanical moving part to origin using a linear scale only but without using a limit switch. The linear scale (1) is provided with a second scale portion (2) for specifying a deceleration starting position and an ...  
WO/1989/012264A1
A numerical controller having a control function which permits a main axis to be stopped at any absolute position by a drive motor to determine the position of the main axis that controls the positioning. The numerical controller has sto...  
WO/1989/011209A1
An apparatus, method, and polymerizable material are disclosed for preparing electrically conductive traces on a circuit board (627) (Fig. 11) using an additive technology. The traces (637, Fig. 12a, typical) directly written in a serial...  
WO/1989/011120A1
An automatic ultrasonic wire bonder employs a compliant motion servo (17, 119, 238, 200) on its Z axis drive to maintain a known, constant and steady force applied by the bonding tool (13) to the wire. The tool is resiliently mounted to ...  
WO/1989/010590A1
A multiplier ratio DMR is calculated in advance by an operation unit (20) based on the moving amount (L) of a mechanical moving part per turn of the motor, moving amount (R) per pulse of moving instruction, and the number (N) of incremen...  
WO/1989/010237A1
A probe (10) is adapted to track a surface (12A) of a workpiece (12) with a view to determining the profile thereof. The probe (10) is adapted to adopt a position, with respect to the surface (12A), in which a sensing axis (A1) of the pr...  
WO/1989/010588A1
A method of correcting loci of an industrial robot which can be executed using simple sensor systems and which reduces the burden for processing data of the robot. When the robot is allowed to reproduce its operation after a desired movi...  
WO/1989/009953A1
A digital robotic axis controller which employs a digital processor (37) to apply the inverse of a plant model transfer function to positional information representative of a target path to generate a feed forward position control signal...  
WO/1989/009477A1
A micromechanical device comprises an element whose position can be varied consisting of a bimaterial system and which can be placed and maintained in a predetermined position. The instantaneous position of the element is determined by m...  
WO/1989/008287A1
When returning a movable part to the origin, a numeric control unit (21) reads an absolute position within one turn of a motor (23) from an absolute position detector (24), determines the distance from one pre-determined point of a motor...  
WO/1989/007789A1
A digital follow-up system comprises a synchronous machine (1), on the shaft (2) of which is mounted a position pick-up (3) connected through its output (4) to a unit (6) for determining the code of the displacement angle between the act...  
WO/1989/007165A1
In a known stopping process, the motor is brought to a standstill by repeated braking and then driven again until the main shaft of the sewing machine reaches a certain desired position. In the new process, the duration of the stopping p...  
WO/1989/006847A1
A device for remote transmission of rotation angle and torque between a driving and a driven shaft in which the shafts of synchronous machines (1, 2) are kinematically connected with the driving and the driven shafts (5, 6) and with posi...  
WO/1989/006394A1
A spindle orientation controller couples a spindle motor (2) via coupling means (5) with a main spindle (4) which produces a signal (LS) indicating its approximate stop position and a signal (MS) indicating its definite stop position. Th...  
WO/1989/005005A1
A numerical controller in which a servo motor is used selectively for position control or speed control. A distribution processing unit (3) forms a position instruction signal based on a part program (1) decoded by a decode processing un...  
WO/1989/002623A1
In the conventional industrial robots, a maximum instructable speed is fixed irrespective of the kind of operation and the time constant during the acceleration or deceleration is fixed too, so that the load exerted on the motor that dri...  
WO/1989/002624A1
A method of controlling under optimum conditions a variety of robot operations having different load conditions. Load conditions inclusive of the total weight (W) of a hand and a work, the distance (L) between the center of the total mas...  
WO/1989/002617A1
A control system employing an algorithm in which the control quantity is so determined as to best follow a periodical setpoint value that repeats the same pattern possessed by a control object (13) relying only upon the arithmetic operat...  
WO/1989/002112A1
A process and device for positioning a part are proposed. The positioning device contains an electric motor (10) connected through a coupling (11) with the part (12) to be positioned and with a position actual value indicator (13). The m...  

Matches 1,151 - 1,200 out of 20,190