| Research on Weighing and Shearing System of Extruded Rubber Based on Improved Fuzzy PID |
| Received:June 18, 2020 Revised:June 18, 2020 |
| DOI：10.12136/j.issn.1000-890X.2020.11.0861 |
| Key Words: extruded rubber；shearing system；PID control；fuzzy algorithm；dynamic weighing |
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| Abstract: |
| The high precision weighing and shearing system of extruded rubber was studied，and a weighing system based on weight feedback and a fuzzy PID control algorithm were designed. The weighing system was designed as an upper pressure multi-roller structure. The weighing feedback device was designed as a lever-belt structure. Fuzzy PID control algorithm was adopted in the system to realize the automation and high precision of dynamic weighing and shearing of extruded rubber through weight closed-loop control. Through the analysis of the adjustment ability of the deviation signal，the membership function parameters of the fuzzy algorithm were dynamically adjusted accordingly，which improved the machine learning ability of the fuzzy PID control and realized the self-tuning of the parameters of the PID control algorithm. The online operation experiment results indicated that the system could achieve high precision weighing and shearing of extruded rubber，which had the ability of anti-disturbance and self-adaptation，and significantly improved the weighing and shearing efficiency. |
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