A multi-disc combined motion parameter determination theoretical mechanics experimental teaching system

By designing an experimental teaching system for measuring motion parameters of multiple disks, and combining a DC motor and a magnetometer sensor, the system enables the measurement of various motion forms of the disks. This solves the problem of the disconnect between experimental teaching content and theory in theoretical mechanics in universities, and enhances students' hands-on and analytical abilities.

CN118172995BActive Publication Date: 2026-05-29CHONGQING UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING UNIV
Filing Date
2024-04-03
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

The experimental teaching content of theoretical mechanics in universities is disconnected from the theoretical part, with few experimental projects, making it difficult to meet the Ministry of Education's requirements for the proportion of practical teaching. Moreover, there is a lack of experimental projects on the market that are closely integrated with theoretical mechanics.

Method used

A theoretical mechanics experimental teaching system for determining motion parameters of a multi-disc combination was designed. The system includes a DC motor, a magnetometer sensor, and a data receiving and processing module. Signal transmission and control are achieved through a Bluetooth module to realize the uniform, accelerated, and decelerated rotation of the discs, and to collect and calculate motion parameters.

Benefits of technology

This system allows students to directly participate in the measurement of relative motion, gain a deeper understanding of the basic principles and trajectories of relative motion, enrich the experimental content, enhance students' hands-on and analytical skills, and meet the needs of theoretical mechanics experimental teaching.

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Abstract

The present application relates to theoretical mechanics teaching technical field, especially to a kind of multi-disc combination motion parameter determination theoretical mechanics experimental teaching system, including direct current motor and motor control module, magnetometer sensor and acquisition sending module, data receiving and processing module.Direct current motor and motor control module include direct current motor, motor drive and controller, bluetooth module, and bluetooth module receives speed and steering signal from bluetooth motor control signal generator, and speed and steering signal are input to motor drive and controller to carry out closed-loop control to direct current motor.The multi-disc combination motion parameter determination theoretical mechanics experimental teaching system takes equipment rotation as motion form, places disc four on disc one, lets multiple discs rotate at different rates simultaneously, simultaneously utilizes acquisition system to collect corresponding parameter, lets student calculate the speed, acceleration, moment of inertia and different parameters of disc motion.
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