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Automatic parameter calibration method and system

A parameter calibration and automatic technology, applied in the field of parameter calibration, can solve problems such as threshold or parameter differences, manual testing and modification troubles, etc., to achieve the effects of enhancing stability, reducing risks, and avoiding errors and errors

Active Publication Date: 2020-06-30
SHENZHEN FREE DYNAMICS DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the production process, for different batches of sensors, there are certain differences in their thresholds or parameters; in addition, if the components are replaced, their thresholds or parameters will also be different, and it is troublesome to manually test and modify each time

Method used

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  • Automatic parameter calibration method and system
  • Automatic parameter calibration method and system
  • Automatic parameter calibration method and system

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0048] refer to figure 1 , the automatic parameter calibration method provided by the present invention includes: placing the sweeping robot at a designated position, the designated position is set relative to the distance measuring device, the distance measuring sensor of the sweeping robot is facing the distance measuring baffle of the distance measuring device, the method includes step:

[0049] receiving the real distance between the distance measuring sensor and the distance measuring baffle sent by the distance measuring device, and acquiring the measured distance between the distance measuring sensor and the distance measuring baffle measured by the distance measuring sensor;

[0050] Calibrate the parameters of the ranging sensor according to the real distance and the measured distance.

[0051] The ranging sensor referred to in this embodiment can be any sensor that can measure or locate distance or position, including and not limited to infrared, ultrasonic, and las...

Embodiment approach 2

[0060] Such as figure 2 As shown, compared with Embodiment 1, an embodiment of the automatic parameter calibration method provided by the present invention adopts a distance measuring baffle to set multiple real distances, and calibrates the distance measuring sensor according to the real distance and the measured distance After the parameter step also include:

[0061] S30, adjusting the relative position of the distance measuring baffle of the distance measuring device and the sensor multiple times, and obtaining the real distance and the measurement distance between the distance measuring baffle and the sensor after each adjustment respectively;

[0062] S40, acquiring parameters of a plurality of ranging sensors according to the real distance and the measured distance acquired by each adjustment;

[0063] S50. Perform average calculation on the parameters of the plurality of ranging sensors to obtain final parameters of the ranging sensors.

[0064] The average calculat...

Embodiment approach 3

[0069] An embodiment (not shown) of the automatic parameter calibration method provided by the present invention is compared with Embodiments 1 and 2. The sweeping robot includes a plurality of distance measuring sensors, and each distance measuring sensor is correspondingly provided with one distance measuring sensor. A device for calibrating the parameters of a plurality of distance measuring sensors sequentially or simultaneously.

[0070] In this embodiment, multiple distance measuring sensors can be used step by step or simultaneously to measure, calibrate, and calculate multiple real distances, and the optimal calibration of parameters can be completed in a centralized and systematic manner, avoiding the problem of only a few sensors at a small number of predetermined distances. It has an optimal working environment, so that all sensors can operate under the working environment of the best parameters, and the accuracy, accuracy and sensitivity are improved.

[0071] In s...

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Abstract

An automatic parameter calibration method and system. The automatic parameter calibration method comprises: putting a floor sweeping robot at a designated position, wherein the designated position is arranged relative to a distance measurement device (2), and a distance measurement sensor of the floor sweeping robot faces a distance measurement baffle plate (4) of the distance measurement device (2). The method comprises the following steps: receiving the real distance, sent by the distance measurement device (2), between the distance measurement sensor and the distance measurement baffle plate (4), and acquiring a measured distance, obtained through measurement by the distance measurement sensor, between the distance measurement sensor and the distance measurement baffle plate (4) (S10); and according to the real distance and the measured distance, calibrating the parameters of the distance measurement sensor (S20).

Description

technical field [0001] The invention relates to the field of parameter calibration, in particular to an automatic parameter calibration method and system. Background technique [0002] With the advancement of science and technology, especially the development of artificial intelligence technology, automation equipment has been widely used. For example, household service robots have occupied an increasing market in recent years. [0003] Most of these automation devices will install some measurement sensors around the machine, such as infrared, ultrasonic, etc., to actively sense the environment around the robot. However, in the production process, there are certain differences in the thresholds or parameters for different batches of sensors; in addition, if the components are replaced, the thresholds or parameters will also be different, and it is troublesome to manually test and modify each time. Contents of the invention [0004] The main purpose of the present inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D18/00
CPCG01D18/00
Inventor 刘先名
Owner SHENZHEN FREE DYNAMICS DEV CO LTD
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