9results about How to "Improve calibration work efficiency" patented technology

The invention provides a self-correction method of a laser radar, the laser radar, a device, electronic equipment and a computer readable storage medium, and relates to the technical field of radars, and the method comprises the steps: setting a first identifier and a second identifier which are different in position and reflectivity on the inner wall of the peripheral side of a diaphragm of the laser radar in advance, the method comprises the following steps: firstly, controlling a laser transceiving device to emit a laser beam, then acquiring a first echo signal of a first identification reflection laser beam and a second echo signal of a second identification reflection laser beam, and then calculating difference information between the first echo signal and the second echo signal; therefore, the working parameters of the laser transceiver are determined according to the difference information and the preset difference information, the self-correction of the working parameters of the laser radar is realized, the correction work does not need manual participation, does not need specific correction equipment, is not limited by sites, and is beneficial to improving the efficiency of the correction work.

The present invention discloses a method and device for calibrating a braking ABS function based on a neural network. The method comprises: obtaining braking function data, vehicle model data and environmental data of a target vehicle; inputting the braking function data, vehicle model data and environmental data into a pre-trained ABS function calibration model to obtain calibration parameters and corresponding customer evaluations, wherein the ABS function calibration model is obtained by training an ANNs neural network with a training data set, and the calibration parameters include one of high-adhesion road surface parameters, low-adhesion road surface parameters, split road surface parameters, butt road surface parameters, turning parameters, and noisy road surface parameters, as well as motor speed control parameters. The present invention predicts calibration parameters and customer evaluations by means of deep learning, and compared with the manual calibration method, can shorten the calibration work cycle, improve the calibration work efficiency, and reduce the influence of subjective factors.

The invention discloses a multi-specification cross spring bearing calibration device and a calibration method.The calibration device comprises a fixed support, a torsion support, a swing arm, a sensor and a lead screw sliding table, and the fixed support and the torsion support are coaxially provided with mounting holes used for mounting cross spring bearings; the torsion support can rotate relative to the fixed support by taking the center of the mounting hole as an axis; the swing arm is arranged on the torsion support and can drive the torsion support to rotate together, the sensor is used for measuring the rotation distance of the swing arm, and the lead screw sliding table is used for adjusting the position of the sensor; a slide way is arranged on the swing arm, a threading slide block is arranged on the slide way in a sliding mode, and a threading hole perpendicular to the swing arm is formed in the threading slide block and used for applying simulation thrust of the micro thruster. Various tension positions and torques can be provided, various calibration requirements are met, the calibration work efficiency is improved, and the task development cost is reduced.

This invention provides a bus filtering method for calibration, implemented on a bus filtering device used in calibration. One end of the bus filtering device is connected to the vehicle's CAN bus, and the other end is connected to a calibration device and a CAN controller. The method includes the following steps: detecting whether a calibration message generated by the calibration device during calibration of the CAN controller is received; if a calibration message is detected, forwarding the calibration message only to the CAN controller and blocking the forwarding of the calibration message to the vehicle's CAN bus. Implementing this invention can improve the situation of calibration message loss or untimely response during vehicle calibration, thereby improving calibration efficiency.

The invention discloses a logic programming verification method for a microcomputer anti-misoperation device of a transformer substation, and relates to the technical field of power dispatching. According to the logic programmed verification method for the microcomputer anti-misoperation device of the transformer substation, a comparison five-prevention rule logic table and a reference five-prevention rule logic table are generated by scanning and identifying a wiring diagram of equipment of the transformer substation, and detection of the accuracy of the existing five-prevention rule logic table is realized in cooperation with a comparison result with the existing five-prevention rule logic table; efficient detection of an existing five-prevention rule logic table is achieved, a new five-prevention rule logic table corresponding to a user selection result can be automatically generated according to user requirements, the verification work efficiency is improved while the threshold of verification personnel is reduced, reliable guarantee is provided for verification quality, and the verification efficiency is improved. A larger-range selectable space is provided for operation and maintenance of the target module, and the purpose of normal operation of anti-error logic can still be achieved when part of independent modules are lack of communication capability.

This invention relates to the field of permanent magnet synchronous motor vector control technology, specifically to a rapid calibration method for permanent magnet synchronous motors in new energy vehicles. It includes a calibration table for the maximum torque-to-current ratio; a calibration table for the motor flux linkage; a calibration table for the motor inductance; and obtaining the target torque T. req And by consulting the calibrated lookup tables, the required d-axis current i to be output is obtained. dref and q-axis requested current i qref This method does not require the motor to operate at high speeds, reducing risks and minimizing the need for high-speed testing benches. It also offers high calibration efficiency and high control precision.

The invention discloses a quick-switching type electric energy metering combined junction box with a verification function, and belongs to the metering field. An incoming line wiring terminal and an outgoing line terminal are arranged in the junction box shell; the inlet wire binding post is arranged on one side in the junction box shell, and the outlet wire binding post is arranged on the other side in the junction box shell; a verification execution mechanism is arranged between the wire inlet wiring terminal and the wire outlet terminal; the verification quick-switching mechanism comprises a microswitch; a verification rapid cutting mechanism is arranged above the verification execution mechanism; the verification quick-switching mechanism is composed of a verification linkage shifting rod and a verification shifting block. The verification linkage driving lever is a rectangular structural member. The shifting block is of a rotatable convex block structure sleeved on the shaft, and the rotating plane of the shifting block and the verification linkage shifting rod are arranged on the same plane; through operation of the verification rapid switching mechanism, the metering state and the verification state of the tested electric energy meter can be rapidly switched on the premise that external wiring is not changed, and mistaken touch and misoperation of personnel are effectively prevented.

The utility model relates to the technical field of sheet metal parts, and provides a sheet metal part correcting device which comprises a base and a correcting mechanism. By arranging the electromagnetic induction heater, the electromagnetic induction heater works in a sheet metal part to generate eddy current, so that heat is generated, the sheet metal part is heated, rapid local heating can be achieved through induction heating, the heating speed is high, energy loss is small, and correction work efficiency can be improved; the motor is arranged on the front face of the rotating arm, the rotating base and the rotating arm are matched, the position of the suction cup is adjusted, sheet metal parts are taken and placed, the suction cup and the vacuum pump are arranged, the vacuum pump works, the sheet metal parts are sucked up through the suction cup, the labor intensity of workers is reduced, the situation that the corrected sheet metal parts are not completely cooled, and operators are hurt is avoided, and meanwhile the working efficiency is improved. The lower mounting base and the bottom supporting plate are arranged, the bolts are taken down, the bottom supporting plate and the lower mounting base are separated, and the bottom supporting plate can be rapidly replaced.

The utility model discloses a winding head tail retaining hook calibration auxiliary tool which comprises a supporting frame detachably installed on a winding head guide wheel support, two rotating arms arranged on the supporting frame, a scale frame arranged on the rotating arms and a plurality of vertical light beam sources arranged on the scale frame. Each tail retaining hook and each shredding groove correspond to one vertical light beam source, and the relative positions of the tail retaining hooks and the shredding grooves are adjusted and corrected through light beams emitted by the vertical light beam sources. The correct position, needing to be corrected, of each tail retaining hook is marked at a time through the light beams, so that the correction work efficiency of the tail retaining hooks is improved, the operation difficulty and workload are reduced, and the production efficiency is improved.