7results about How to "Efficient calibration" patented technology

The invention relates to the technical field of multi-beam sounding calibration, and discloses a multi-beam sounding online real-time calibration method. The method comprises the following steps: acquiring original water depth data and corresponding sensor attitude data in real time; generating a data quality evaluation result containing a data credibility index and a data abnormal distribution feature based on the original water depth data; triggering a dynamic calibration mechanism containing a calibration period adaptive adjustment strategy and a calibration parameter optimization rule according to the data credibility index; optimizing the target calibration rule parameters in combination with the sensor attitude data to generate an optimized calibration parameter set, and correcting the original water depth data in real time by using the parameter set to generate primary calibration data; and performing topographic feature consistency check on the primary calibration data, if the primary calibration data does not pass the topographic feature consistency check, starting a re-calibration process containing a rule base updating mechanism and a parameter iteration mechanism, and analyzing a deviation trend based on historical calibration records to generate a system error prediction model.

The application relates to the field of sanitation operation scheduling, in particular to a sanitation operation scheduling method based on the Internet of Things, which comprises the following steps: determining an iterative stop condition of a load CEEMDAN model based on time local weighted variance of load data, so as to generate vehicle load characteristics; generating vehicle oil consumption characteristics through an oil consumption CEEMDAN model based on statistical values of load data residuals and oil consumption data residuals, so as to calculate oil consumption channel residual signals; generating comprehensive vehicle carrying characteristics through a feature extraction model based on a multilayer perception machine, a gating mechanism and a cross-modal attention mechanism; and generating corrected vehicle garbage load through a long short-term memory network and a fully connected layer architecture. The application realizes efficient noise reduction and accurate decomposition of non-stationary time series data of oil consumption and load, realizes accurate processing of Internet of Things data of garbage transfer vehicles, improves the operation efficiency of the garbage transfer vehicles and reduces the operation cost.

The application discloses a pressure sensor calibration method, device, capacitive pen and readable storage medium, the method comprises the following steps: acquiring the pressure value currently borne by the pressure sensor, when the pressure value is 0 gram, and the fluctuation range of the output voltage of the pressure sensor is less than a preset threshold, acquiring the first output voltage of the pressure sensor; the second output voltage preset in the register and the third output voltage associated with the model of the pressure sensor are acquired;According to the first output voltage, the second output voltage and the third output voltage, the measured pressure curve of the pressure sensor is determined;Based on the standard pressure curve model, the measured pressure curve is calibrated, and the working pressure curve of the pressure sensor is generated according to the calibration result. The technical problem that the active capacitive pen pressure sensor calibration step is complicated and the time cost is high in the related art is solved, and the calibration pressure sensor is efficiently completed.

The invention relates to the technical field of detection equipment, in particular to annular metal part inner and outer wall quality detection equipment which comprises a detection table, a conical seat used for bearing an annular metal part is fixedly installed in the detection table, a plurality of rectangular sliding holes are evenly formed in the surface of the conical seat in the circumferential direction, and the rectangular sliding holes are annularly distributed. According to the device, the conical seat is arranged, and the geometrical characteristic that the diameter of the conical surface continuously changes is utilized, so that the annular metal part automatically slides to a stable position along the conical surface under the action of the gravity of the annular metal part; therefore, centripetal force evenly distributed in the whole circumferential direction is formed under the condition that no extra drive or complex adjusting mechanism is needed, it is guaranteed that the circle center of the annular metal part naturally coincides with the axis of the device, and the positioning precision and axis consistency are remarkably improved.

The application discloses a kind of industrial robot kinematics parameter calibration method and system based on parameter separation and multi-objective optimization, belongs to industrial robot technical field, by linear-nonlinear parameter separation, introduce multi-objective minimax optimization, effectively handle the non-homogeneity problem of pose information, realize the fast, robust, high-precision robot kinematics parameter identification and compensation.Calibration method includes:1, acquisition robot end in multiple measurement poses under position information;2, the kinematics model of robot is established, and the parameter to be identified is divided into linear set and nonlinear set, to reconstruct separable optimization problem;3, based on the position information collected, construct the multi-objective minimax optimization problem with the optimization worst performance index as the target, by iteration solving linear set and nonlinear set, complete the identification of kinematics parameter;4, the optimal kinematics parameter identified finally is compensated to robot controller, and the kinematics model is updated.

This utility model relates to the field of building installation technology, specifically a high-precision level calibration device for building installation. It includes a sleeve, with telescopic rods slidably installed at both ends inside the sleeve. Placement blocks are fixedly installed on opposite sides of the two telescopic rods. A sector-shaped disk is fixedly installed at the bottom front end of the sleeve, and an angle gauge is provided on the front edge of the sector-shaped disk. This high-precision level calibration device for building installation, through the provided guide blocks and indicator lights, allows installation personnel to easily monitor the level by observing the illumination of the indicator lights during level calibration. This facilitates level calibration and achieves efficient calibration. It solves the problem of low calibration efficiency caused by the small bubble size of bubble levels in bubble levels and the large distance between two cable trays, requiring installation personnel to repeatedly adjust the cable tray level and check the bubble level multiple times when installing the equipment alone.

The utility model provides a non-contact type deformation measuring instrument calibrating device which comprises a main frame and a bidirectional lead screw, the lower end of the main frame is provided with a calibrating device base through a bolt, the upper side of the front end of the main frame is provided with a touch screen type liquid crystal display, and the front end of the main frame is provided with a slide way. An upper connecting rod and a lower connecting rod are slidably arranged at the upper end and the lower end of the interior of the sliding way respectively, a first lead screw nut and a second lead screw nut are fixed to the middle of the upper connecting rod and the middle of the lower connecting rod in a penetrating mode respectively, and the design solves the calibration problem of existing non-contact deformation measuring instruments of all types. According to the utility model, through the collaborative design of the dynamic calibration plate system, the high-precision grating ruler and the servo motor drive, the efficient and accurate calibration of the non-contact deformation measuring instrument is realized.