| 圆柱螺旋弹簧迟滞的检测和补偿 |
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| 引用本文： | 杨三序,谢煜,王业正.圆柱螺旋弹簧迟滞的检测和补偿[J].大学物理,2007,26(4):38-40,44. |
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| 作者姓名： | 杨三序 谢煜 王业正 |
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| 作者单位： | 1. 商丘师范学院,物理系,河南,商丘,476000
2. 商丘车辆总厂,河南,商丘,476000 |
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| 基金项目： | 国家自然科学基金资助项目(60572001) |
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| 摘 要： | 介绍一种利用微电容测量技术检测圆柱螺旋压缩弹簧迟滞和利用单片机技术对迟滞进行补偿的实验方法,该方法涉及螺旋机构、电子秤和拟合曲线的求法等.通过这一实验,能帮助学生理解真实材料在一定程度上存在迟滞现象,掌握变极距电容传感器的概念,提高知识的综合应用能力和设计动手能力.
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| 关 键 词： | 变极距电容传感器 圆柱螺旋弹簧 迟滞 |
| 文章编号： | 1000-0712（2007）04-0038-03 |
| 收稿时间： | 2006-06-06 |
| 修稿时间： | 2006-06-062006-09-11 |
The measurement and compensation of the hysteresis of cylindrical helical spring |
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| YANG San-xu,XIE Yu,WANG Ye-zheng.The measurement and compensation of the hysteresis of cylindrical helical spring[J].College Physics,2007,26(4):38-40,44. |
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| Authors: | YANG San-xu XIE Yu WANG Ye-zheng |
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| Institution: | 1. Department of Physics, Shangqiu Teachers College, Shangqiu,Henan 476000, China; 2. Shangqiu Vehicle General Factory, Shangqiu,Henan 476000, China |
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| Abstract: | A method,concerning screw mechanism,electronic scale and the way to obtain the fitted curve,to detect the hysteresis of cylindrical helical spring with micro-capacitance measuring technology and to compensate the hysteresis with micro-controller technology is introduced.This experiment can help students to understand that hysteresis really appears,to some extent,on actual materials,it can also help them to grasp the concept of distance between electrodes changeable capacitance transducer,and improve the ability to apply knowledge comprehensively and the ability to design and practice. |
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| Keywords: | distance between electrodes changeable capacitance transducer cylindrical helical spring hysteresis |
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