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| Research on High Precision Quantitative Packing Equipment for Salt and Its Kinds |
| WANG Jia-en1,2,NIE Xiao-gen1 |
1. School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian 350108, China
2. School of Mechanical and Electrical Engineering, Xiamen University Tan Kah Kee College, Zhangzhou,Fujian 363105, China |
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Abstract Aiming at the problems of low weighing precision and low automation in salt quantitative packing production, the high precision salt quantitative packing equipment was studied. The weighing device was designed as adjustable measuring cup structure to estimate the salt quality by measuring cup volume, and the re-inspection feedback device was designed as multi-sensor belt weighing structure to overcome the influence of the weight ratio of dead-weight to salt weight on the weighing precision. Analyzing the errors in the dynamic weighing process, the closed-loop optimized quantitative packing control system was designed based on iterative learning and fuzzy algorithm. Through on-line operation experiments, the results indicate that the system can achieve high precision quantitative packing for salt, which has the ability of anti-disturbance and adaptation. After 3~4 times of iterative learning compensation control, the precision requirement whose allowable shortage of quantitative packing is 3% can be reached stably under the working environment of less than 50% error change rate.
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Received: 08 July 2020
Published: 08 April 2022
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| Fund:The National Natural Science Foundation of China |
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2022, Vol. 43 
