Jiangang WANG, Hongtao YANG, Xiaozhou YU, Qinghua CHEN, Xiaojie XIE. Dynamic fuzzy-PID coordinated control of the cool-hot end temperature of large climate environmental test chambers[J]. Optics and Precision Engineering, 2022, 30(24): 3159
- Optics and Precision Engineering
- Vol. 30, Issue 24, 3159 (2022)
Fig. 1. Cabin structure
Fig. 2. Temperature control system
Fig. 3. Hot and cold end temperature Kalman-fuzzy controller
Fig. 4. Encoding diagram
Fig. 5. Kalman filter cycle diagram
Fig. 6. Sensor distribution location map and overall physical map
Fig. 7. Temperature measurement data and Kalman filter results under fuzzy PID
Fig. 8. Allan variance of temperature data under coordinated control of traditional incremental PID and fuzzy PID
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Table 1. Obfuscation control rules table
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Table 2. Comparison of standard deviations of temperature data before and after Kalman filtering
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