42 results about "Position detector" patented technology

A handheld scanning apparatus 100, comprising a body 110, a camera configured to scan images, two actuators 130, 140, each having a distal end projecting from a first end of the body, each distal end arranged to contact a surface, each of the actuators independently moveable relative to the body in dependence of the distance of the first end of the body from the surface, a position detector for determining the position of each of the actuators relative to the body, and an indicator for providing an indication of the position of the body relative to the surface. In this way, a user is provided with an indication as to whether or not they are holding the body at a desired position relative to the surface.

A 3D printer includes a frame, a carrier, a nozzle and a detection device. The carrier is fixed to the frame. The nozzle is movably disposed on the frame. The detection device includes a piezoelectric ceramic sheet and a position detector. The piezoelectric ceramic sheet is in contact with the carrier. The position detector is disposed on the nozzle.

A multifunctional feeding and discharging conveyor comprises a machine body and a conveying chain arranged in parallel on the machine body. A plurality of clamping blocks are arranged on the conveying chain in opposition. The multifunctional feeding and discharging conveyor comprises a feeding and discharging mechanism, a positioning mechanism and a foolproof mechanism. The feeding and discharging mechanism comprises a lifting assembly, a feeding plate and a discharging plate. The lifting assembly is arranged below the feeding plate or the discharging plate. The feeding plate and the discharging plate are lifted by the lifting assembly. The feeding plate and the discharging plate support materials. A plurality of clamping frames are arranged on the discharging plate. The positioning mechanism comprises a side pushing cylinder, a positioning cylinder, a horizontal pushing cylinder, a clamping plate and a position detector. The side pushing cylinder is arranged corresponding to the positioning cylinder and corresponding to the feeding plate or the discharging plate. The multifunctional feeding and discharging conveyor arranges the positioning mechanism and the foolproof mechanism to prevent mistakes in product installation, ensure accurate product transportation and assist in product code printing.

This invention discloses an automatic leveling device for railway loading, comprising a lifting system, a coal leveling device, and detection components. The lifting system drives the coal leveling device to move up and down. The detection components include a car height detector, a car position detector, and a lifting height detector. The car position detector detects the car position and feeds the information back to the control system. The car height detector detects the car height and feeds the information back to the control system. The control system controls the lifting and lowering of the lifting system. The lifting height detector determines the descent height of the coal leveling device and feeds the information back to the control system. This device can replace manual labor to automatically level materials, improving loading efficiency and uniformity.

The present invention relates to a strip width control device applied to a reversing mill, the reversing mill being provided with a edger mill having a pair of edger rolls that performs width rolling on a rolled material, and a horizontal mill disposed downstream of the edger mill, having a pair of horizontal rolls that performs horizontal rolling on the rolled material. The strip width control device of the present invention is provided with a reduction control device, a reduction position detector, a tracking device, and a strip width actual value calculation device. The reduction control device is configured to operate the edger mill in a manner that the pair of edger rolls contacts the rolled material in a reverse pass rolling. The reduction position detector is configured to detect a reduction position of the edger mill when the pair of edger rolls contacts the rolled material in the reverse pass rolling. The tracking device is configured to track a position in a length direction of the rolled material in the reverse pass rolling. The strip width actual value calculation device is configured to calculate strip width actual values of a plurality of positions in the length direction of the rolled material based on an output of the reduction position detector and an output of the tracking device.

A bracket to support and center at least one shaft of a geared motor reduction gear. The bracket includes a recess to house an unmovable part of a position detector. The bracket has at least one retaining member configured to retain, in its recess, the unmovable part of the position detector. The bracket is also configured to at least partially house a terminal to connect the unmovable part of the position detector to a control member of the geared motor. The bracket includes at least one groove to hold the terminal and / or the bracket includes at least one through-duct that passes through the bracket to at least partially house the terminal therein.

The technical idea of the present invention provides a folding device comprising: a position detector configured to detect the position of a battery cell and determine a position correction value on the basis of the detected position of the battery cell and a reference position; a folding part configured to fold an edge portion of the battery cell; and a moving stage configured to move the folding part on the basis of the position correction value provided from the position detector.

The disclosure relates to a detector arrangement for detecting a position of an object with regard to a first direction, wherein the object includes a front edge and a rear edge separated from each other in the first direction and wherein the object is movable relative to the detector arrangement in the first direction. The detector arrangement includes a first detector configured to detect electromagnetic radiation, the first detector including a first detection area sensitive to the electromagnetic radiation, wherein the detection area is confined by a first detection front edge and by a first detection rear edge, wherein the first detection front edge is separated from the first detection rear edge in the first direction. At least one of the first detection front edge and the first detection rear edge extends non-parallel to at least one of the front edge and the rear edge of the object.

This application provides a field calibration system and method for calibrating a laser total station, belonging to the field of laser measurement technology. The field calibration system includes: a reference device, comprising a connecting rod and two position detectors, the two position detectors being fixedly connected by the connecting rod. The position detectors are configured to receive laser light emitted by the laser total station and determine planar position data characterizing the illumination position based on the illumination position of the laser light on the position detectors; wherein, the laser total station is configured to determine the spatial position data of the illumination position in a base coordinate system based on the illumination position, wherein the base coordinate system is established with the base of the laser total station as the origin; and a parameter calibration device, communicatively connected to the reference device and the laser total station, configured to calibrate the laser total station based on the two planar position data and the two spatial position data.

This invention discloses an automatic calibration method for logic gates based on a neutral atom quantum computing system, and also discloses an automatic calibration method for logic gate fidelity based on a neutral atom quantum computing system. The method performs self-calibration on the fidelity of a two-qubit gate, including 420nm laser pointing self-calibration, 1013nm laser pointing self-calibration, Rydberg excitation Rabi frequency self-calibration, and single-photon Rabi frequency self-calibration; then it performs self-calibration on the ORMD waveform and ORMD phase; and finally, it performs self-calibration on the fidelity of an addressing single-qubit gate, including 795nm Raman light pointing self-calibration and single-qubit gate Rabi frequency self-calibration. This invention performs parameter self-calibration at fixed intervals to ensure that the logic gate fidelity remains at a high level. Without involving the installation of additional high-resolution laser position detectors, it uses a fully automated process to calibrate the fidelity of quantum logic gates, saving space in the physical system and the manpower costs required for calibration.

A precision dual-beam parallelism detection device is disclosed for detecting the parallelism of a first test beam and a second test beam arranged parallel to each other with a distance L between them. The device includes an autocollimation angle measurement unit comprising a focusing lens and a photoelectric position detector located on the same optical axis. The photosensitive surface of the photoelectric position detector is located at the focal plane of the focusing lens. The focusing lens and the photoelectric position detector are mounted on a multi-degree-of-freedom attitude adjustment mechanism. The beam steering unit is a cornerstone prism used to deflect either the first or second test beam by 180° before it enters the focusing lens. The cornerstone prism has a first mounting point and a second mounting point, the center of which is located on the optical axis of the focusing lens. This invention features a simple optical path, wide applicability, and utilizes differential measurement to eliminate zero-position errors, achieving high-precision dual-beam parallelism measurement.

The application discloses a kind of multi-head laser parallel scribe interval dynamic regulation method and system, the method comprises: the interval between two laser emission heads adjacent to each other is adjusted to the standard distance of pre-set;Any diffraction spot path emitted by each laser emission head is provided with position detector, and the original center coordinates of diffraction spot detected by position detector are obtained as reference position;During laser parallel scribe process, periodically, the offset of diffraction spot relative to reference position is obtained by position detector;According to the two offsets obtained by two position detectors adjacent to each other, the interval adjustment amount is calculated;The relative position of two laser emission heads adjacent to each other is regulated based on interval adjustment amount, so that the actual interval between two laser emission heads remains standard distance.The above-mentioned method, by real-time monitoring spot position and dynamic compensation, effectively eliminates the splicing error caused by thermal effect and mechanical vibration, reduces the processing dead zone of battery piece, and improves product yield.

The present invention relates to a sensor control board and a display device. The sensor control board comprises a clock generation circuit that generates a clock, and a phase adjustment circuit. The phase adjustment circuit adjusts a phase difference between a timing at which a pixel potential to be supplied to a plurality of image elements arranged in a lattice pattern in a self-luminous display is determined and the phase of the clock. The phase adjustment circuit uses, as a transmission signal, the clock the phase difference of which has been adjusted, and outputs the transmission signal to a position detector that is disposed on an upper layer or a lower layer of the self-luminous display and detects a position indicated on the self-luminous display.

The application discloses a multi-optical-axis optical system detection device, and belongs to the technical field of photoelectricity. The multi-optical-axis optical system detection device comprises a light-emitting component, a light-guiding component and an image position detector. The device is applied to the detection of a multi-optical-axis optical system. An operator can preset a reference coordinate value in the image position detector, and obtain a first position coordinate value and a second position coordinate value when the detection device is in a first detection state and a second detection state respectively. Thus, the relative positions of the emitting optical axis and the receiving optical axis of the multi-optical-axis optical system can be obtained through the relationship among the first position coordinate value, the second position coordinate and the reference position coordinate. By using the detection device, the operator does not need to observe with naked eyes, the efficiency and the precision of the detection of the multi-optical-axis optical system are effectively improved, the detection cost is reduced, and the detection of different types of multi-optical-axis optical systems can be adapted.

The invention relates to an electronic assembly (1) comprising a housing (2) with a receiving opening (3a), a receiving and holding area (4a) for receiving an electro-optical module (20), an electrical locking device (6a) with a movable locking element (8a) for locking and unlocking a received module, an ejection element (9a) for pushing out a received module, a position detector device (10a) for generating a first control signal when a module is properly inserted into the receiving and holding area, and a control unit (12) in communication connection (16) with the locking device and the position detector device.The control unit is configured to, upon receiving the first control signal, initiate the locking mechanism to lock an inserted module using the movable locking element, and upon receiving a predetermined second control signal, initiate the locking mechanism to unlock an inserted module using the movable locking element. The ejection element is designed to push the inserted module out of the assembly by a predetermined distance (x) when unlocked.

A substrate transferring apparatus and a substrate processing apparatus are provided. The substrate transferring apparatus includes a base, a hand mounted on the base to support a substrate, and a position detector for detecting a position of the substrate. The position detector includes at least one sensor unit disposed at a position corresponding to a peripheral portion of the substrate. Each sensor unit includes a light emitting unit and a light receiving unit facing each other. The light receiving unit includes a plurality of light receiving members, wherein a gap between the light receiving members is greater than a width of a notch formed on the substrate. This configuration enables efficient identification of the notch and alignment of the substrate by comparing light amount data received by the light receiving members.

The application provides a near-earth optical communication turbulence suppression system and method based on emission source gain regulation, which comprises a host computer and a slave computer, and each comprises a space-fiber coupler, a PSD position detector, a PSD demodulation and control assembly, a communication transmitter-receiver, an electrically-controlled optical attenuator, a stepping actuator and a beacon light emitter; the space-fiber coupler aligns and matches the emitted light with the receiving field of view and couples the space light to the optical fiber; the beacon light emitter emits service beacon light; the PSD position detector performs real-time position detection on the light spot of the service beacon light; the PSD demodulation and control assembly calculates the off-target amount of the light spot position of the service beacon light and its control amount output to the stepping actuator, demodulates the service beacon text data and transmits it to the communication transmitter-receiver; the electrically-controlled optical attenuator regulates the emitted light power of the communication transmitter-receiver; and the communication transmitter-receiver controls the voltage value of the electrically-controlled optical attenuator based on the service beacon text data to realize closed-loop gain control and turbulence suppression from the receiving end to the transmitting end.

The characteristic calculation device (10) is provided with: a sensor information acquisition section (20) that acquires position information and acceleration information, wherein the position information indicates a position of a motor (70) detected by a position detector (71), and the acceleration information indicates an acceleration of a movable section (80) detected by an acceleration sensor (81) mounted to the movable section (80) connected to the motor (70); and a sensor characteristic calculation section (30) that calculates at least one of balance degree information and detection sensitivity information based on the position information and the acceleration information, and outputs at least one of the calculated balance degree information and the detection sensitivity information, wherein the balance degree information indicates a degree of coincidence of a detection axis direction of the acceleration sensor (81) with a direction of an acceleration that the acceleration sensor (81) should detect, and the detection sensitivity information indicates a detection sensitivity of the acceleration sensor (81).

The present application belongs to the technical field of nuclear power plant, and particularly relates to a kind of reactor rod position detector real-time online monitoring and fault diagnosis method and system.The present application includes the following steps: S1, respectively acquisition rod position detector primary winding voltage signal and current signal, auxiliary coil voltage signal, and the voltage signal of measuring coil;S2, the signal of step S1 is carried out data filtering processing;S3, the data of step S2 after filtering processing is carried out data preprocessing, and feature parameter information is extracted;S4, the feature characteristic parameter of single rod position detector processed in step S3 is compared with threshold;S5, all rod position detector characteristic parameters processed in step S3 are grouped according to core layout, the same characteristic parameter in each group is compared, and 3σ principle is used for abnormal value detection.The present application realizes real-time monitoring of rod position detector operating state, and rapid identification and positioning under various fault conditions.

The present invention relates to a laser transceiving apparatus, a method for performing optical axis self-calibration on the laser transceiving apparatus, and a machine-readable storage medium. An optical amplifier of the apparatus comprises: a first optical amplifier assembly configured to be connected to a transmitting mirror unit by means of a transmitting optical fiber; a second optical amplifier assembly configured to be connected to a receiving mirror unit by means of a receiving optical fiber; a calibration light supply apparatus configured to be associated with the first optical amplifier assembly to provide calibration light; and an optical power detector connected to the second optical amplifier assembly and configured to detect at least the power of the calibration light. When a lead galvanometer is adjusted for scanning, the calibration light is provided to a position detector for a first measurement of optical axis self-calibration, and the calibration light through the receiving mirror unit is provided to the optical power detector for a second measurement of the optical axis self-calibration. The laser transceiving apparatus of the present invention performs calibration by means of existing devices, so that there is no need to preform laboratory calibration, and calibration results are not affected by the environment.

A working machine includes a machine body, a traveling device to support the machine body such that the machine body is allowed to travel, an operator's seat, a protector provided on the machine body to protect the operator's seat, and a position detector to acquire position information from one or more positioning satellites. The protector includes a roof provided above the operator's seat. The position detector is housed in the roof.

This invention discloses a straightening device and its control method, relating to the field of straightening technology. The straightening device includes a feeding mechanism, a feeding roller conveyor, a first transition roller conveyor, a straightening mechanism, a position detector, and a controller. The feeding roller conveyor is connected to the straightening mechanism via the first transition roller conveyor. The feeding directions of the feeding roller conveyor and the first transition roller conveyor are the same. The position of the feeding mechanism corresponds to the position of the feeding roller conveyor. The position detector is electrically connected to the controller, which is also electrically connected to the feeding mechanism, the feeding roller conveyor, the first transition roller conveyor, and the straightening mechanism. The first transition roller conveyor has a first inlet end and a first outlet end positioned opposite each other. The controller is used to control the feeding mechanism to feed the next bar onto the feeding roller conveyor when the position detector detects that the tail of the bar has retracted into the first inlet end. The straightening device provided by this invention can improve straightening efficiency and shorten the straightening cycle while ensuring that no tail-end jamming occurs. It is practical, reliable, and highly safe.

The present application provides a control device, a horizontal multi-joint robot, and a robot system, which reduce vibration of a shaft in an axial direction at a front end portion of the shaft. A control device controls a horizontal multi-joint robot including a base, a first arm provided to the base and rotating about a first axis with respect to the base, a second arm provided to the first arm and rotating about a second axis with respect to the first arm, a shaft provided to the second arm and linearly moving in a direction of a third axis, a motor driving linear movement of the shaft, a position detector detecting a position of the motor, and an inertial sensor provided to the second arm. The control device includes a control unit that feeds back an output of the inertial sensor to control of the motor to drive the motor.

This invention discloses a transverse feedback excitation device with high shunt impedance and horizontal light extraction, belonging to the field of particle accelerator technology. The device includes a beam position detector (BPM), an RF front-end, an ADC module, a digital signal processing module, a DAC module, a power divider, a power amplifier, a low-pass filter, an exciter (Kicker), and matching loads. The exciter (Kicker) has four parallel electrode strips located on both sides of the beam centerline, with two strips on the same side connected in parallel. Each electrode has a characteristic impedance of 100Ω, resulting in an equivalent total characteristic impedance of 50Ω after parallel connection. The four electrode strips are symmetrically distributed at the four corners within the vacuum chamber cross-section, avoiding the horizontal midplane to form an open optical path. This invention improves the shunt impedance of the exciter, reduces the RF power requirement, achieves impedance matching with a standard 50Ω system, and ensures unobstructed horizontal extraction of synchrotron radiation light.

The present disclosure relates to temperature compensation for magnetostrictive position detectors. The present disclosure provides a system, method, and apparatus for compensating fluid plane measurements of a magnetostrictive position detector for temperature conditions associated with a process without the use of built-in or external standalone temperature sensors. An algorithm is also disclosed for compensating for temperature conditions associated with a process by determining a thermal compensation factor proportional to the process temperature for temperature compensation by digitally processing the signal of the position detector.

A control device for controlling a machine with axes having a corotational relation includes: axis position detectors; motor position detectors; a position command calculation unit calculating a position command for each of the axes based on an operation program; a position control unit outputting a speed command of each motor based on the position command and the detection position of the corresponding axis; a speed control unit controlling each motor based on the speed command; and a correction value calculation unit calculating a correction value for correcting, based on the corotational relation, the speed command of a motor with a to-be-controlled axis which is an axis rotating dependent on the corotational relation. The speed control unit corresponding to the to-be-controlled axis corrects the speed command based on the correction value so as to be applied to control of the motor with the to-be-controlled axis.

A motor control device controls an alternating-current motor by sensorless control without using a rotor position detector. The motor control device includes an inverter that converts direct current into alternating current based on a pulse width modulation signal; a multilayer printed board having a wiring pattern inserted into a current path connecting the inverter and a winding of the alternating-current motor in an inner layer; a plurality of chip inductors mounted on a main surface of the multilayer printed board so that a winding direction faces a prescribed direction intersecting the wiring pattern and opposes the wiring pattern, the plurality of chip inductors being connected in series to form a series circuit having a midpoint connected to a reference potential; load resistors respectively connected between the midpoint of the series circuit and both ends of the series circuit; a differential amplification circuit having a pair of input terminals connected to the both ends of the series circuit; and a control unit that estimates a position of a rotor of the alternating-current motor using an output of the differential amplification circuit and generates the pulse width modulation signal supplied to the inverter in accordance with the estimated position of the rotor.

A snow groomer vehicle including a frame, two tracks, and a drive unit connected to the two tracks to move the snow groomer vehicle. The snow groomer vehicles includes at least one working device selected from the group of working devices including: a winch, a tiller assembly, and a shovel, in particular the working device being connected to the frame by a connecting device. The snow groomer vehicle includes at least one control device configured to control at least one parameter of the snow groomer vehicle, preferably relating to the tracks or to the at least one working device, the control device being configured to control in a first operating mode the at least one parameter based on the operator's control instructions received via the user interface, on the data received via the radio communication unit, and on the position detected via the position detector.

This application discloses an electromagnetic field positioning device and a fracture healing rehabilitation movement evaluation system. The electromagnetic field positioning device includes: a position detector integrating a coil, a gyroscope, and an angular velocity sensor. The coil is used to periodically pass a standard alternating current to generate a magnetic field. Multiple position detectors are set at key positions of the user, including joints and limb ends related to rehabilitation movements. This application achieves multimodal, high-precision, spatiotemporal synchronous capture of the user's rehabilitation movement posture (video analysis) and joint position / displacement (detector data) by integrating a multi-angle video information extraction module (dual orthogonal cameras), a movement information input device (key position detector), and an information alignment module.