Acta Metrologica Sinica  2018, Vol. 39 Issue (4): 510-514    DOI: 10.3969/j.issn.1000-1158.2018.04.13
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Compensation Method for Creep Error of Load Cell Based on Neural Networks
WANG You-gui,WU Shuang-shuang,CHEN Hong-jiang
Hunan Insititue of Metrology and Test, Changsha, Hunan 410014, China
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Abstract  The resistance strain load cell has heavy creep error, which will lead to the low accuracy of weighing results. To reducing this error, a model compensation on the load cell’s creep error based on neural networks(NNs) is proposed, and the training algorithms of the model is given. The experimental results of the load cell which capacity is 50 kg and its accuracy class is C3 show that the creep errors of the load cell with this proposed model are less than those without compensation, and the maximal change of its creep errors is 0.0108 kg, it is less than that of the maximal permissible error defined by Chinese National Standard, GB/T 7551—2008 “Load cell”.
Key wordsmetrology      load cell      creep error compensation      neural network     
Received: 07 September 2017      Published: 06 July 2018
PACS:  TB932  
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WANG You-gui
WU Shuang-shuang
CHEN Hong-jiang
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WANG You-gui,WU Shuang-shuang,CHEN Hong-jiang. Compensation Method for Creep Error of Load Cell Based on Neural Networks[J]. Acta Metrologica Sinica, 2018, 39(4): 510-514.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2018.04.13     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2018/V39/I4/510
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