Moisture content control strategy of magnetorheological fluid based on model-free adaptive control algorithm

Xiaoping XIAO; Liangwei LI; Jianfei ZHANG; Zisheng LI; Li CHEN; Tao ZHOU; Xing SU; Lisheng CAI

doi:10.37188/OPE.20243210.1496

Optics and Precision Engineering, Volume. 32, Issue 10, 1496(2024)

Moisture content control strategy of magnetorheological fluid based on model-free adaptive control algorithm

Xiaoping XIAO1...2,*, Liangwei LI1,2, Jianfei ZHANG1,2, Zisheng LI1,2, Li CHEN1,2, Tao ZHOU1,2, Xing SU1,2,*, and Lisheng CAI12 |Show fewer author(s)

Author Affiliations

¹Engineering Technology Center， Southwest University of Science and Technology， Mianyang62000， China

²Sichuan Precision and Ultra-Precision Machining Engineering Technology Center， Chengdu61000， China

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Figures & Tables(15)

Fig. 1. Operation principle of MR Fluid circulation system

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Fig. 2. Pulse excitation signal with different peak value and corresponding system response

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Fig. 3. Sinusoidal excitation signal and corresponding system response

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Fig. 4. Control effect of two algorithms for group A parameters at different set values

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Fig. 5. Control effect of two algorithms for group B parameters at different set values

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Fig. 6. Control effect of two algorithms for group C parameters at different set values

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Fig. 7. Control effect of two algorithms for group D parameters at different set values

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Fig. 8. Control effect in sine and square wave excitation signal

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Fig. 9. Magnetorheological fluid circulation system device

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Fig. 10. Fluctuation of water content under internal circulation

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Fig. 11. Result of experiment 1

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Fig. 12. Result of experiment 2

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Fig. 13. Processing quality under different moisture control strategies

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Table 1. Model parameter identification results
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Table 1. Model parameter identification results
型号 A B
$K$ $11.5 e^{- 6}$ $6 e^{- 6}$
$10.5 e^{- 6}$ $7 e^{- 6}$
$12 e^{- 6}$ $7 e^{- 6}$
$T$ 60 30
80 30
80 30
$τ$ 30 30
30 30
30 30

Table 2. Simulation parameter setting

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Table 2. Simulation parameter setting

组别	对应工况	扰动周期/（rad·s^-1）	系统增益		负载峰值/（%·h^-1）
A	不加工1	0.003	$K = 6 \times 10^{- 6}$	$T = 130$	0.14~0.58
B	不加工2	0.003	$K = 12 \times 10^{- 6}$	$T = 130$	0.14~0.58
C	加工工件1	0.006	$K = 6 \times 10^{- 6}$	$T = 130$	0.14~0.94
D	加工工件2	0.006	$K = 12 \times 10^{- 6}$	$T = 130$	0.14~0.94

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Xiaoping XIAO, Liangwei LI, Jianfei ZHANG, Zisheng LI, Li CHEN, Tao ZHOU, Xing SU, Lisheng CAI. Moisture content control strategy of magnetorheological fluid based on model-free adaptive control algorithm[J]. Optics and Precision Engineering, 2024, 32(10): 1496

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