6results about How to "Reduce the error value" patented technology

The present disclosure provides a neural network-based weight quantization method, device and electronic equipment. The method comprises: obtaining calibration data corresponding to a calibration data set of the neural network; obtaining first quantized weights corresponding to a preset first truncation ratio of original weights of the neural network, determining a first quantization error of the first quantized weights relative to the original weights according to the calibration data; in the case where the first quantization error is determined to satisfy a preset convergence condition according to the calibration data, performing truncation processing and quantization processing on the original weights of the neural network according to the first truncation ratio to obtain network weights of the neural network. This method can automatically determine an adjusted first truncation ratio, so that the error value of the network weights of the neural network is smaller.

The invention provides a DeepFLPS genome selection system based on CNN and multi-scale feature extraction, and belongs to the field of genome selection. The inherent limitations of single feature extraction scale and insufficient sparse feature utilization of the current deep convolutional neural network structure are overcome; the system comprises a deep feature learning genome selection DeepFLPS model, the model comprises an input layer, a multi-scale feature extraction module of a binding site interaction rule, a full connection layer and an output layer, and the multi-scale feature extraction module of the binding site interaction rule adopts a parallel convolution channel structure with a plurality of sliding windows increasing progressively. A hierarchical association relationship in genotype data is captured through a progressive expansion convolution kernel, and a hierarchical double-activation function mechanism is set; the novel CNN architecture provided by the invention not only can adaptively capture the interaction effect of different SNPs interval lengths, but also can more effectively retain sparse feature information in genotype data.

This application proposes a stepper motor drive correction system and method, relating to the field of stepper motor drive technology. The system includes an H-bridge, a sensing circuit, a sampling circuit, a current-to-voltage conversion circuit, a sine wave generator, a proportional amplifier, a comparator circuit, and a calibration control circuit. The sensing circuit samples the current of the low-side switch transistor of the H-bridge, which is then converted into a sensing voltage by the current-to-voltage conversion circuit according to a first preset ratio. The sine wave generator produces an ideal sine waveform, which is scaled by the proportional amplifier according to a second preset ratio to form a reference voltage. The comparator circuit compares the sensing voltage with the reference voltage and outputs the comparison result. Based on the comparison result, the calibration control circuit calibrates the first and second preset ratios sequentially, gradually reducing the error between the two voltages. Through these multiple calibrations, the system error is reduced to below a preset threshold, significantly improving the driving accuracy and smoothness of the stepper motor in high-microstepping mode.

The utility model relates to the field of precast slabs, in particular to a concrete precast slab hardness detection device which comprises a bottom plate, supporting rods are symmetrically installed at one end of the outer wall of the top of the bottom plate, a top plate is installed on the outer walls of the top ends of the supporting rods, and a hydraulic push rod is installed in the center of the outer wall of one end of the top plate. A pressure block is installed on the outer wall of the bottom end of the hydraulic push rod, protection assemblies are arranged on the positions, located on the four sides of the hydraulic push rod, of the outer wall of the top of the bottom plate, and a storage assembly is arranged on the outer wall of one end of the bottom plate. The protection assembly comprises sliding grooves formed in the two ends of the top of the bottom plate and inserting grooves formed in the outer wall of the top of the bottom plate and located in the outer walls of the two ends of the top plate. The hydraulic push rod applies pressure to the precast slab through the pressure block, the pressure generated by the hydraulic push rod and the pressure value displayed by the pressure sensor are displayed on the control panel, the detected pressure is recorded in a dual mode, the error value is reduced, use is convenient, and interference is avoided.

This utility model relates to the field of separation membranes, and particularly to a sample testing device for separation membrane research and development. It includes a testing chamber with an insertion interface at the center of its top outer wall. A fixing structure is installed at the insertion interface, and partition plates are installed on the inner wall of the testing chamber at both ends of the fixing structure. The fixing structure includes a fixing frame, a placement groove on one side of the outer wall of the fixing frame, a pressing frame slidably connected in the placement groove, fastening grooves equidistantly located on one side of the outer wall of the fixing frame, and fastening protrusions equidistantly welded to the outer wall of the pressing frame at the fastening grooves. In this utility model, the detection gas enters the testing chamber under negative pressure. After passing through the separation membrane, the detection gas enters the other end of the testing chamber. An air quality sensor detects the air quality inside both ends of the testing chamber, facilitating detection, enabling quantitative detection, improving detection accuracy, and reducing error values.

This invention provides a test fixture for a final-drive planetary reducer, aiming to solve the technical problem of large deviations in test data during traditional test fixture testing. The test fixture includes a base, a support component, a connecting assembly, a drive shaft, a motor, and a positioning block. The base is used to mount the support component, and the connecting assembly is housed inside the support component. Both the drive shaft and the motor are connected to the connecting assembly, achieving power connection through the connecting assembly. The positioning block is located at the end of the drive shaft to restrict the runout of the drive shaft end. By installing the positioning block at the end of the drive shaft and ensuring that the positioning block contacts the inner wall of the final-drive planetary reducer under test, this test fixture limits the runout of the drive shaft end during testing, thereby reducing the test error value.