Nonlinear Position Control with Nonlinear Coordinate Transformation Using Only Position Measurement for Single-Rod Electro-Hydrostatic Actuator
Abstract
:1. Introduction
2. Mathematical Model of Electro-Hydrostatic Actuator
3. Nonlinear Coordinate Transformation
4. Position Controller
4.1. Controller Design
4.2. Stability Analysis of Internal Dynamics
5. Nonlinear Observer Design and Closed-Loop Stability Analysis
5.1. Nonlinear Observer Design
5.2. Stability Analysis of Closed-loop System
6. Simulations
7. Experiments
8. Conclusions
Author Contributions
Funding
Conflicts of Interest
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Parameter | Value | Parameter | Value |
---|---|---|---|
k | 4000 | b | 100 |
m | 80 | ||
3800 | 100 |
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Kim, W.; Won, D. Nonlinear Position Control with Nonlinear Coordinate Transformation Using Only Position Measurement for Single-Rod Electro-Hydrostatic Actuator. Mathematics 2020, 8, 1273. https://doi.org/10.3390/math8081273
Kim W, Won D. Nonlinear Position Control with Nonlinear Coordinate Transformation Using Only Position Measurement for Single-Rod Electro-Hydrostatic Actuator. Mathematics. 2020; 8(8):1273. https://doi.org/10.3390/math8081273
Chicago/Turabian StyleKim, Wonhee, and Daehee Won. 2020. "Nonlinear Position Control with Nonlinear Coordinate Transformation Using Only Position Measurement for Single-Rod Electro-Hydrostatic Actuator" Mathematics 8, no. 8: 1273. https://doi.org/10.3390/math8081273