基于智能手机加速度和速度传感器刚体转动惯量的测量

doi:10.14139/j.cnki.cn22-1228.2023.02.026

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摘要

将智能手机的加速度和速度传感器引入三线摆法测量刚体转动惯量实验中，使刚体摆动的周期性过程更加形象化，并通过手机自动绘制的“加速度?时间”和“速度?时间”图像获取刚体摆动周期，实现对刚体转动惯量的测量。实验结果表明，智能手机传感器测量数据合理，相对误差在实验允许范围内。将智能手机引入大学物理实验教学，不仅可以增强学生对新技术的认知，激发学生对新知识的渴望，而且可以拓展学生思维，培养学生创新精神。

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	姚懿能
	王　娜
	张　红
	梁春恬
	薛　贺
	范雄哲
	史丁元

关键词: 智能手机传感器加速度速度转动惯量

Abstract:

The acceleration and velocity sensors of smart phone are introduced into the experiment ofmeasuring the rotational inertia of a rigid body with three-wire pendulum method.lt makes the periodic processof rigid body oscillation more vivid.Through the “ acceleration-time”and “velocity-timeimages automatically drawn by the mobile phone ,the swing period of the rigid body is obtained , and the rotational inertia of the rigidbody is measured.The results show that the measured data by smart phone sensor are reasonable and therelative error is in the allowable range of experiment. The introduction of smart phone in college physicsexperiment can not only enhance students’cognition of new technology and stimulate students’ desire for newknowledge , but also expand students’ thinking and cultivate students’ spirit of innovation.

Key words: smart phone sensor acceleration velocity rotational inertia

出版日期: 2023-04-25 发布日期: 2023-04-25 整期出版日期: 2023-04-25

ZTFLH:

O 4-33

引用本文:

姚懿能 , 王　娜 , 张　红 , 梁春恬 , 薛　贺 , 范雄哲 , 史丁元 . 基于智能手机加速度和速度传感器刚体转动惯量的测量 [J]. 大学物理实验, 2023, 36(2): 123-126.
YAO Yineng, WANG Na, ZHANG Hong, LIANG Chuntian, XUE He, FAN Xiongzhe, SHI Dingyuan. Measurement of Rotational Inertia of Rigid Body withAcceleration and Velocity Sensors of Smart Phone . Physical Experiment of College, 2023, 36(2): 123-126.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2023.02.026 或 http://dawushiyan.jlict.edu.cn/CN/Y2023/V36/I2/123

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