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Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film
Wang H(王鹤); Hu JT(胡静涛); Gao L(高雷); Jia YF(贾岩峰)
Department信息服务与智能控制技术研究室
Source PublicationINTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING
ISSN1934-6344
2016
Volume9Issue:4Pages:141-150
Indexed BySCI
WOS IDWOS:000381656700016
Contribution Rank1
Funding OrganizationKey Technologies R & D Program of Liaoning Province [Y5L7160701] ; National High-tech R&D Program of China (863Program) [2013AA040403]
KeywordGrain Flow Sensor Vibrations Free Damping Structure Test Rig
AbstractA 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.
Language英语
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS SubjectAgricultural Engineering
WOS Research AreaAgriculture
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/19180
Collection信息服务与智能控制技术研究室
Corresponding AuthorHu JT(胡静涛)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Information Service and Intelligent Control Department Chinese Academy of Science, Shenyang 110016, China
4.University of Science and Technology Liaoning, Anshan 114051, China
Recommended Citation
GB/T 7714
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.
APA Wang H,Hu JT,Gao L,&Jia YF.(2016).Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film.INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING,9(4),141-150.
MLA Wang H,et al."Development and optimization of a novel grain flow sensor based on PVDF piezoelectric film".INTERNATIONAL JOURNAL OF AGRICULTURAL AND BIOLOGICAL ENGINEERING 9.4(2016):141-150.
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