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High-Gain Disturbance Observer-Based Backstepping Control With Output Tracking Error Constraint for Electro-Hydraulic Systems
Abstract
We propose a high-gain disturbance observer (HGDOB)-based backstepping control with position tracking error constraint for electro-hydraulic systems to improve the position tracking performance in the presence of disturbances. The HGDOB is designed to estimate the disturbances that include the friction, the load force, and the parameter uncertainties. Auxiliary state variables are proposed to avoid amplification of the measurement noise in the HGDOB. To compensate for the disturbances while guaranteeing tolerance of the position tracking error, the backstepping controller is proposed by using the barrier Lyapunov function. As a result, the proposed method satisfies the output constraint and improves the position tracking performance in the presence of disturbances. Its performance is validated via simulations and experiments.
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Cited by
Xu, Z., Sun, C., Hu, X., Liu, Q., & Yao, J. (2023) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2023.3236114 · Cited by 113
Phan, V. D., Truong, H. V. A., & Ahn, K. K. (2023) · ISA Transactions · doi:10.1016/j.isatra.2022.08.023 · Cited by 66
Phan, V. D., & Ahn, K. K. (2023) · Nonlinear Dynamics · doi:10.1007/s11071-023-08364-3 · Cited by 60
“The parameter uncertainties D1 and D2 can be defined as follows [36]: D1 1⁄4 Dbm _ xp;D2 1⁄4 Dpbx2 Dpcx3; ð4Þ”
BackgroundYang, G., & Yao, J. (2020) · ISA Transactions · doi:10.1016/j.isatra.2020.03.029 · Cited by 51
Nguyen, M. H., Dao, H. V., & Ahn, K. K. (2023) · International Journal of Robust and Nonlinear Control · doi:10.1002/rnc.6421 · Cited by 48
Metadata
- Authors
- Won, D., Kim, W., Shin, D., & Chung, C. C.
- Venue
- IEEE Transactions on Control Systems Technology
- Published
- 2015-03
- Volume
- 23
- Issue
- 2
- Pages
- 787-795
- ISSN
- 1063-6536 (ISSN-L)
- 1558-0865
- OpenAlex
- W2056996588
- Cited by
- 294
- References
- 0
- FWCI
- 15.19
- Type
- journal article
- Language
- en
- Open access
- closed
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- Won, D., Kim, W., Shin, D., & Chung, C. C. (2015). High-Gain Disturbance Observer-Based Backstepping Control With Output Tracking Error Constraint for Electro-Hydraulic Systems. IEEE Transactions on Control Systems Technology. https://doi.org/10.1109/tcst.2014.2325895
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