9results about How to "No cumulative error" patented technology

The invention discloses a device and method for tracking the angle of a long-distance target object, and the device comprises a laser transmitting and receiving end and a target object, and the laser transmitting and receiving end is disposed on a precise adjustment mechanism. The precise adjusting mechanism is used for bearing the laser transmitting and receiving end and adjusting a laser incident angle to realize continuous tracking of a target; the laser transmitting and receiving end comprises a transmitting module and a receiving module; the transmitting module is used for transmitting a beam of wide-spectrum detection laser with a small divergence angle to a long-distance target object; the transmitting module comprises a wide-spectrum laser and a light beam expanding system, the wide-spectrum laser is electrically connected with the high-stability temperature control and current driving system, and the receiving module comprises an optical receiving module and a data processing and control module. The initial wavelength lambda is taken as the reference in each measurement, no accumulative error exists, and the method is very suitable for long-term and continuous monitoring tasks.

A kind of automatic feeding cutting and separating mechanism of sticking magnetic core, including rack, the feeding mechanism, conveying mechanism, cutting and discharging mechanism are installed on the rack;The feeding mechanism is conveyed to cutting and discharging mechanism by conveying mechanism with sticking magnetic core workpiece, the screening mechanism that posture unqualified magnetic core is screened back to feeding mechanism is equipped on the conveying mechanism, the feeding mechanism includes hopper, hopper separation mechanism, pallet feeding mechanism, the hopper separation mechanism is equipped in the lower portion of hopper and can act after hopper is separated into multiple chambers to prevent magnetic core from being accumulated in the end portion of hopper, the pallet feeding mechanism is equipped in the end portion of hopper, the pallet feeding mechanism includes multiple fixed pallets arranged in stages, first stage fixed pallet is connected with the end portion of hopper, last stage fixed pallet is connected with conveying mechanism;Upper and lower pallets for conveying magnetic core from previous stage fixed pallet to later stage fixed pallet are arranged between adjacent fixed pallets, and multiple upper and lower pallets are synchronously arranged.

The invention discloses a bronchoscope bending control method based on a double-electromagnetic-sensor structure. A first electromagnetic sensor and a second electromagnetic sensor are arranged at the starting end and the tail end of a bending section of a bronchoscope respectively; determining a first rotation matrix, a starting end coordinate, a second rotation matrix and a tail end coordinate of the electromagnetic sensor relative to a geodetic coordinate system by using parameters collected by the two electromagnetic sensors, determining a bending angle of the bending section according to the first rotation matrix and the second rotation matrix, and determining a deflection angle of the bending section according to the first rotation matrix, the starting end coordinate and the tail end coordinate; according to the bending angle and the deflection angle of the bronchoscope and the expected bending angle and the expected deflection angle of the bronchoscope, the required first motor driving amount and the required second motor driving amount are determined and used for controlling bending and deflection of the bronchoscope. The cost of the bronchoscope can be reduced, and the control precision of the bronchoscope can be improved.

This invention discloses a control method for an eight-cavity precision stamping die system for sub-beam gaskets. The system includes an upper die assembly for transmitting blank holder force during product strip processing, and a lower die assembly below the upper die assembly for transmitting counter-pressure during product strip processing. A cavity for inputting the product strip to be processed is provided between the upper and lower die assemblies. The upper die assembly includes a punch assembly for transmitting blank holder force to the product strip, and the lower die assembly includes a punch assembly for transmitting counter-pressure to the product strip. The upper die assembly also includes a waste discharge assembly for discharging waste generated during product strip processing. This invention overcomes the problem of low production quality in gasket-type products produced by traditional die processing equipment in the prior art. This invention has the advantage of producing high-quality gaskets.

The invention discloses an image splicing method based on grating scale encoder positioning and weight fusion, and belongs to the field of image processing. The method comprises a system calibration stage and a real-time splicing stage, wherein the system calibration stage comprises calibration data acquisition, camera pose calculation and mapping relation establishment; the real-time splicing stage comprises workpiece image acquisition, real-time coordinate mapping, image relative displacement calculation, weight accumulation to a global buffer area, judgment of processing states of all sub-images and normalized fusion output. The splicing process is completely independent of matching of image features, that is, the image content is not required, the splicing speed is high, and the real-time performance is high. A direct mapping relation between encoder readings and camera world poses is established through global motion calibration, and each sub-image is positioned based on absolute coordinates. No accumulated error exists, and the precision of the global image can be ensured. As long as the mechanical structure is kept stable, one-time calibration can be achieved, and then the calibration data can be used for multiple times of jigsaw puzzle in the follow-up process.

The invention discloses an intelligent stereoscopic warehouse system and method based on a laser demarcation device, and belongs to the technical field of intelligent warehousing. The system establishes a high-precision space coordinate system for a warehouse through a space reference network formed by fixed laser demarcation devices; the mobile device visually perceives the network to realize submillimeter-level accurate positioning, scans the goods allocation by using a laser demarcation device carried by the mobile device, and perceives the state of the goods allocation in a non-contact manner; the central processing system is integrated with a digital twinning technology, inventory can be managed, and warehouse structure deformation can be monitored by analyzing long-term change of reference laser. The problems that a traditional stereoscopic warehouse is large in positioning accumulative error, goods location sensing depends on a large number of sensors, and the self-calibration capability is lacked are solved, and the precision, reliability and intelligent level of the system are remarkably improved.

The utility model provides a jig circulation mechanism, which relates to the technical field of jig circulation and comprises a linear slide rail, a plurality of bearing seats are fixedly mounted on one side of the linear slide rail, positioning rods are rotatably sleeved in the bearing seats, and positioning blocks for positioning one side of a part body are fixedly connected outside rod bodies of the positioning rods. A rotating shaft is fixedly connected to the positioning block, a first sliding rail is fixedly installed on the other side of the linear sliding rail, a first sliding plate is arranged on the first sliding rail in a sliding mode, third sliding rails are fixedly installed at the two ends of the upper surface of the first sliding plate, and a third sliding block is arranged on each third sliding rail in a sliding mode; a second sliding plate used for positioning the other side of the part body is fixedly connected to the upper surface of the third sliding block, the part body slides on a linear sliding rail through the arrangement of the linear sliding rail so that the part body can be linearly positioned, and the part body and the second sliding rail on the bottom plate can be accurately reset. And then better machining of the part body on the circulating mechanism is completed.

The embodiment of the invention provides an indoor robot positioning method, electronic equipment, a positioning system and a medium, and belongs to the technical field of robot control. The method comprises the following steps: acquiring a target line drawing track, and performing pose data planning on the target line drawing track to obtain target pose data of a plurality of time steps; then distance data between the laser range finder and the paying-off robot and a laser point coordinate matrix of laser points are obtained, and pose data calculation is carried out according to the laser point coordinate matrix and the distance data to obtain initial pose data of the paying-off robot relative to the laser range finder in the target time step; performing error calculation according to the initial pose data and the target pose data of the target time step to obtain motion error data; and performing control signal generation on the motion error data through a preset prediction motion model to obtain an expected offset signal. And finally, the pay-off robot is controlled to move according to the expected offset signal. According to the embodiment of the invention, indoor accurate paying-off can be realized.

The application relates to a dynamic rendering engine and a smart lighting device control method, wherein the dynamic rendering engine comprises: a scene mode registration module, which is used for registering one or more scene modes, each of which corresponds to a scene rendering function; a time management module, which is used for maintaining a time reference value and updating the time reference value; a rendering scheduling module, which is used for calculating a progress parameter representing an animation process according to a current system time and the time reference value, and calling a target scene rendering function and inputting the progress parameter into the function; and a frame buffer module, which is used for storing rendering data generated by the scene rendering function in response to the progress parameter; wherein the scene rendering function is configured to output the same rendering data for the same progress parameter. Through the above design, the application realizes instantaneous determination, millisecond-level synchronization, seamless recovery and accurate control of a rendering state.