115 results about "Actuator" patented technology

A robotic system for manipulating a catheter with a plurality of steering wires longitudinally situated within a length of the catheter includes a user interface configured to display a view of an anatomical model and to receive one or more user inputs; a catheter manipulator assembly configured to linearly actuate one or more control members of a catheter; and a robotic controller configured to provide a view of an anatomical model to the user interface; accept one or more user inputs from the user interface; register the one or more user inputs to a coordinate system associated with the anatomical model; compute one or more actuator commands from the one or more registered inputs; and cause the catheter manipulator assembly to linearly actuate one or more control members of a catheter in accordance with the computed actuator commands.

Provided are a system and method for processing continuous integrated queries on both data stream and stored data using user-defined shared trigger. The system includes a data stream manager for managing data stream inputted from outside; a continuous integrated queries manager for managing the continuous integrated queries inputted from an external application; a trigger manager for managing the user-defined shared trigger inputted from the external application and registering the user-defined shared trigger in an external database; a trigger result manager for forming and managing a trigger result set from a performance result of the user-defined shared trigger registered in the cooperation database; and a continuous integrated queries performer for processing the continuous integrated queries referring to the transmitted data stream and trigger result set.

A system includes a dispenser and a transmitter. The dispenser is configured to support and dispense product. The dispenser includes: a housing; an antenna disposed and configured to receive electromagnetic energy that originates from the transmitter; a power supply disposed within the housing and configured to convert the electromagnetic energy received at the antenna into DC (direct current) power; a dispenser mechanism configured and disposed to dispense the product from the dispenser on command; a controller disposed in operable communication with the power supply and the dispenser mechanism; and, an actuator disposed in operable communication with the controller. Upon actuation of the actuator, and upon presence of the DC power, the controller is responsive to facilitate action by the dispenser mechanism to dispense the product. The transmitter is configured to transmit electromagnetic energy and is disposed in operable communication with the dispenser.

The invention relates to an interlocking structure of an automobile braking system. The interlocking structure of the automobile braking system comprises a brake pedal lever, a clutch pedal lever, an interlocking transmission mechanism and an interlocking actuator, wherein the interlocking transmission mechanism is movably connected with the brake pedal lever, the interlocking actuator is movably connected with the interlocking transmission mechanism, the interlocking actuator moves away from or close to the clutch pedal lever under the control of the interlocking transmission mechanism, and the interlocking actuator adjusts the position of the clutch pedal lever through the relative motion with the clutch pedal lever. By utilizing the interlocking structure of the automobile braking system of the above structure, the united braking of an automobile brake and a clutch during emergency braking can be achieved, the operating procedure of the emergency braking can be simplified, and the normal driving operation of an automobile is not affected. Besides, the interlocking structure of the automobile braking system is simple in structure, easy to disassemble and assemble, convenient to use, safe and reliable and has a wider application range.

The invention relates to an uncalibration machine vision-based intelligent navigation control system and an uncalibration machine vision-based intelligent navigation control method, and belongs to the technical field of automation and detection. In order to overcome the disadvantage that whether a technical effect is good or bad depends on uncalibration parameters in a conventional scheme, in vision system-based mobile robot real-time obstacle avoidance and a navigation control method in the technical scheme of the invention, an image is automatically acquired and analyzed for the purpose of realizing the control of a mobile robot platform; the image is processed rapidly from image feedback information obtained directly by utilizing the principal of machine vision; and feedback information is given in a time as short as possible for participating in the generation of a control decision so as to form the position closed-loop control of an end effector of the mobile robot. The scheme improves the adaptability and the work efficiency of a robot, effectively maintains the speed and the precision in an image processing process, enhances the robustness and the stability of a robot control system, and reduces cost input and energy consumption in an implementation process of the technical scheme.

A vehicle includes a front-wheel drive (FWD) transmission having a case, a selectable one-way clutch (SOWC) indexed to the case, pressurized fluid, and a valve body assembly (VBA). The VBA has a piston in communication with the fluid, a return spring, and an actuator plate in continuous contact with or connected to each of the piston and a shift lever of the SOWC. Fluid moving the piston and plate in one direction locks the SOWC to enable a reverse mode, and the spring moves the piston and the plate in another direction to unlock the SOWC in a forward mode. A method prevents spin losses in the FWD transmission by positioning a two-mode SOWC within a case, positioning a VBA adjacently and externally to the case, and admitting pressurized fluid into the VBA to engage the SOWC only during a reverse operating mode.

A secure product dispensing apparatus and methods for securely storing and/or dispensing one or more retail items. The apparatus and methods have a front panel that is openable and closable and a linked blocker panel for blocking a rear portion of the apparatus when the front panel is located in an open position. A lever actuator manually activatable lifts a retail item from the rear portion to a front portion of the apparatus over a blocker ramp. A single retail item is removable from the apparatus while the front panel is located in the open position.

A seat back structure with headrest includes a vertical pressure-receiving element and cross pressure-receiving element. The headrest is fixed on a support rod operatively connected via a rotating link with an actuator link assembly. The vertical pressure-receiving element, upon one load being applied thereto from a seat occupant's lumber part, is displaced backwardly and upwardly via guide hole to push the support rod, thereby causing commencement of rotation of the rotating links to move the headrest upwardly. Thereafter, the cross pressure-receiving element, connected with the actuator link assembly, is displaced backwardly, upon another load being applied thereto from a seat occupant's dorsal part, thereby assisting in continuation of the rotation of rotating link.

A stage system for a lithographic apparatus includes a stage, an over-determined number of actuators to act on the stage, at least two sensors to measure a position dependent parameter of the stage and to provide a respective sensor signal. The at least two sensors are arranged to measure the respective position dependent parameters in a same degree of freedom. A controller is provided to provide a controller output signal to at least one of the actuators in response to a setpoint and the position dependent parameter as measured by at least one of the sensors. A further controller is provided with the position dependent parameters measured by the sensors. The further controller is configured to determine a difference between the position dependent parameters from the sensors and to provide a further controller output signal to at least one of the actuators in response to the determined difference.

The invention relates to a control method and a system of a helicopter rotor, which belongs to the technical field of helicopter operation. The control method is characterized in that the distance changing of a blade is realized by adopting an actuator positioned on the stinger of each propeller boss to drive a flap positioned at the rear edge of the blade, so as to realize the control of a rotor system. The system comprises a demountable flap (1) installed at rear edge of the blade, torque soft propeller bosses (14), an actuator (13) installed on the stinger of torque soft propeller bosses, a flap control mechanism (1) with one end being connected with actuator (13) and the other end thereof being connected with the flap (1), and a test control system (59). The control method and the system have the advantages that the screw piston of each blade can be independently controlled, the structure is simple, the weight is light, the controllability is good, and the reliability and the security are high.

An unwind apparatus for obtaining, loading, splicing, and unwinding convolutely wound rolls of web material and forwarding the web material unwound from each of the convolutely wound rolls uninterruptedly to a downstream apparatus is disclosed. The unwind apparatus provides for a multi-axis robot and an end effector operatively connected to the multi-axis robot. The end effector provides for a stationary motor, a rotational coupling mechanically coupled to the stationary motor, and, a mandrel mechanically coupled to the rotational coupling. The mandrel is capable of releasably engaging the convolutley wound rolls of web material.

Methods, control systems, and information handling systems for controlling at least two actuators are provided. An internal control system sends an input received from the main control system to a first actuator and diverts a portion of the input to a second actuator when an input constraint of the first actuator is reached. The actuators may be throttle valves for heating a hydraulic line. The internal control system includes a cutoff rerouter for implementing the sending and the diverting of the input and an adaptive cutoff controller, e.g., an integral controller, for determining the input constraint of the first actuator. The information handling systems include a determination logic for determining if an input received from the main control system is greater than an input constraint of the first actuator and a diverting logic for diverting a portion of the input to a second actuator when the input is greater.

There is described a unit for sterilizing container closures comprising: a process chamber having an inlet for receiving a succession of closures to be sterilized and an outlet from which sterilized closures exit; conveying means for advancing the closures through the process chamber along a predetermined path (P); and radiation emitting means acting inside the process chamber, facing the closures moving along the above path (P) and which can be activated for directing sterilizing radiations on said closures to sterilize their surfaces; the conveying means comprise actuator means acting on each closure to produce a rolling movement thereof while it advances along its path (P).

Provided is a tool tip position detecting device (53) for a remote controlled actuator (5) having an elongated spindle guide (3), a tool (1) fitted to a tip thereof and a main body housing (4) having a base end of the spindle guide (3) connected thereto. The device (53) includes an external force free position detector (54) for detecting the tip position of the tool (1) from a detection value thereof, a strain detector (60) for detecting a strain of the spindle guide (3), and a corrector (55) for correcting the tip position of the tool (1), which has been detected by the external force free position detector (54), with the use of a detected strain value of the strain detector (60).

An engine variable valve actuation mechanism that substantially equally adjusts the valve lift amount in each cylinder. The mechanism includes variable valve lift mechanisms respectively arranged in association with the engine cylinders. A control shaft extends through the variable valve lift mechanisms. An actuator moves the control shaft in the axial direction and drives the variable valve lift mechanisms. Collars are arranged alternately with the variable valve lift mechanisms. Each collar includes a cylindrical sleeve and flanges formed integrally with the sleeve. The flanges directly or indirectly contact the end faces of adjacent variable valve lift mechanisms. This determines the positions of the variable valve lift mechanisms with respect to one another in the axial direction.

The invention relates to an automotive active engine mount capable of energy regeneration and transmitting force perception. The automotive active engine mount consists of an active engine mount actuator body and a control circuit system, wherein the active engine mount actuator body mainly consists of rubber springs, a base, a position-fixing pin, a metal framework, an electromagnetic linear module and a piezoelectric module; the upper end and the lower end of the active engine mount actuator body are respectively connected with an engine body and an automobile frame through connecting bolts;and an actuator control system mainly consists of an energy recovery module, a controller, a storage battery voltage sensor, a controllable current source, a rotating speed sensor, a force sensor, anactuator energy regeneration voltage sensor and a relay. The invention also relates to a control method of the automotive active engine mount. The automotive active engine mount is novel in structureand high in practicability and is capable of significantly reducing the impact of engine vibration on a chassis and the automobile body, improving the ride comfort of an automobile, reducing the noise in the automobile, recovering the energy of the engine vibration, reducing the energy consumption of the automobile and achieving the purpose of improving the performance of the entire automobile while reducing the energy consumption.

A fluid ejection device includes: a modulator adapted to pulse-modulate a drive waveform signal forming a basis of a drive signal of an actuator to obtain a modulated signal; a digital power amplifier circuit adapted to power-amplify the modulated signal to obtain a power-amplified modulated signal; a low pass filter adapted to smooth the power-amplified modulated signal to obtain the drive signal; and a power amplification stopping section operating when holding a voltage of the actuator constant.

The invention provides a mobile charging pile positioning method, a mobile charging pile and an intelligent charging system, and relates to the technical field of charging piles. After a main controlunit receives the charging information of a device to be charged sent by a ground control center, the main control unit determines a planning path between the mobile charging pile and the device to becharged according to the position information of the device to be charged, the current position of the mobile charging pile and a pre-stored electronic map, controls a mobile actuator to perform a first action according to the planning path, moves the mobile charging pile to a position of the device to be charged, and charges the device to be charged. The method enables the mobile charging pile to accurately locate the position of the device to be charged according to the planning path, achieves that the mobile charging pile automatically searches for the device to be charged to perform charging, does not need a user to find the charging pile, improves the charging efficiency and the utilization rate of the mobile charging pile, and reduces capital input cost and labor cost.

The invention discloses an electric static liquid actuator for deep sea. An integrated-type integrated structure is adopted. The movement of a hydraulic cylinder is controlled by a two-way hydraulic pump. The forward and reverse of a motor is adjusted and controlled, and the displacement and accelerated speed of a piston rod of the hydraulic cylinder are controlled through speed regulation operation; and a hydraulic direction-changing valve, a reducing valve and other control valves are cancelled, and an arranged sensor monitors and adjusts the working condition of a system. A pressure compensator is arranged outside the system and used for compensating system pressure and adapting high pressure environment of the deep sea. A hydraulic circuit adopts a plate-type connection without external connection pipelines, only an interface for power supply and signal transmission is arranged on the exterior of the hydraulic circuit, the advantages of a hydraulic actuating system and an electricactuating system are both had, system composition is simplified greatly, and the equipment volume is greatly reduced. Therefore, the electric static liquid actuator for the deep sea has a wide application prospect in deep-sea operating equipment and shipping equipment.

A control circuit includes a desired value arithmetic unit that calculates a desired value of a control object, a sensor that detects a value indicating a state of an actuator used to displace the control object, a deviation arithmetic unit that calculates a deviation of the control object from the desired value, a proportional arithmetic unit that produces a proportional-component drive signal, an integral arithmetic unit that calculates an integral value of the deviation and produces an integral-component drive signal, a derivative arithmetic unit that calculates a derivative value of the deviation and produces a derivative-component drive signal, and a drive-signal output unit that outputs the drive signals provided from the integral arithmetic unit, the proportional arithmetic unit, and the derivative arithmetic unit to a drive circuit for the actuator. At least the integral gain ki of the integral arithmetic unit is in a range 0.1 V/rad·s≦ki≦4200 V/rad·s.