Mingchao SUN, Jiaqi PENG, Yueming SONG. High-precision adaptive fractional order sliding mode tracking control for piezoelectric platform[J]. Optics and Precision Engineering, 2024, 32(16): 2504
- Optics and Precision Engineering
- Vol. 32, Issue 16, 2504 (2024)
Fig. 1. Block diagram of adaptive fraction order sliding mode controller
Fig. 2. Verification platform for adaptive fractional order sliding mode control
Fig. 3. Tracking experimental results of the piezoelectric drive platform with the sinusoidal reference signal at 1 Hz
Fig. 4. Tracking experimental results of the piezoelectric drive platform with the sinusoidal reference signal at 50 Hz
Fig. 5. Tracking experimental results of the piezoelectric drive platform with the compound Triangular reference signal
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Table 1. Parameters of AFOSMC method
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Table 2. Comparative experimental results of PID， SMC and AFOSMC
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