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题名:
Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film
作者: Wang H(王鹤); Hu JT(胡静涛); Gao L(高雷); Jia YF(贾岩峰)
作者部门: 信息服务与智能控制技术研究室
通讯作者: 胡静涛
关键词: grain flow sensor ; vibrations ; free damping structure ; test rig
刊名: INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING
ISSN号: 1934-6344
出版日期: 2016
卷号: 9, 期号:4, 页码:141-150
收录类别: SCI
产权排序: 1
项目资助者: Key Technologies R & D Program of Liaoning Province [Y5L7160701] ; National High-tech R&D Program of China (863Program) [2013AA040403]
摘要: A novel grain flow sensor consists of an impact plate and a PVDF (Polyvinylidene Fluoride) piezoelectric film was developed in this research. The kinetic model of the grain flow sensor was built to analyze the steady and transient vibration disturbances which had a significant influence on performance of the sensor, and the results showed that damping ratio of the sensor was the key factor to improve accuracy of the sensor. To maximize damping ratio of the sensor, the thickness of the impact plate and damping material were optimized according to a loss factor model of the free damping structure. The optimized results indicated the most appropriate thickness ratio of damping material and the impact plate was 6. A test rig equipped with the novel grain flow sensor and weight sensors which could simulate field situations was built to investigate the performance of the sensor, on which test experiments under different feed flows were conducted. The results showed that the maximum error of the sensor was 3.02% and the mean error was 2.15%, which revealed that the novel grain flow sensor could be used to measure grain flow. Comparing with conventional grain flow sensors, the novel grain flow sensor has the features of high accuracy, simple structure and flexible signal processing methods.
语种: 英语
WOS记录号: WOS:000381656700016
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Agricultural Engineering
研究领域[WOS]: Agriculture
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/19180
Appears in Collections:信息服务与智能控制技术研究室_期刊论文

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Recommended Citation:
Wang H,Hu JT,Gao L,et al. Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film[J]. INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING,2016,9(4):141-150.
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文件名: Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film.pdf
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