【Paper】2021_Observer-based distributed consensus for multi-agent systems with directed networks and
Shuzhen Yu, Zhiyong Yu, Haijun Jiang, Xuehui Mei, Observer-based distributed consensus for multi-agent systems with directed networks and input saturation, Neurocomputing, Volume 420, 2021, Pages 111-123.
文章目錄
- 1. Introduction
- 2. Preliminaries
- 6. Numerical example
1. Introduction
2. Preliminaries
x˙i(t)=Axi(t)+Bσˉ(ui(t))yi(t)=Cxi(t)(1)\begin{aligned} \dot{x}_i(t) & = A x_i (t) + B \bar{\sigma} (u_i(t)) \\ y_i(t) &= C x_i(t) \\ \end{aligned} \tag{1}x˙i?(t)yi?(t)?=Axi?(t)+Bσˉ(ui?(t))=Cxi?(t)?(1)
σˉ(ui)=[sat(ui1),sat(ui2),?,sat(uim)]Tsat(uij)=sign(uij)min?{∣uij∣,?}\begin{aligned} \bar{\sigma} (u_{i}) &= [ \textbf{sat}(u_{i1}), \textbf{sat}(u_{i2}), \cdots, \textbf{sat}(u_{im}) ]^\text{T} \\ \textbf{sat}(u_{ij}) &= \textbf{sign}(u_{ij}) \min\{|u_{ij}|, \varpi\} \end{aligned}σˉ(ui?)sat(uij?)?=[sat(ui1?),sat(ui2?),?,sat(uim?)]T=sign(uij?)min{∣uij?∣,?}?
x^˙i(t)=Ax^i(t)+Bui(t)?K(yi(t)?Cx^i(t))ui(t)=?BTP(?)[∑j∈Niaij(x^i(t)?x^j(t))](2)\begin{aligned} \dot{\hat{x}}_i(t) & = A \hat{x}_i (t) + B u_i(t) - K (y_i(t) - C \hat{x}_i(t) ) \\ u_i(t) &= -B^\text{T} P(\varsigma) [\sum_{j\in N_i} a_{ij} (\hat{x}_i(t) - \hat{x}_j(t)) ] \\ \end{aligned} \tag{2}x^˙i?(t)ui?(t)?=Ax^i?(t)+Bui?(t)?K(yi?(t)?Cx^i?(t))=?BTP(?)[j∈Ni?∑?aij?(x^i?(t)?x^j?(t))]?(2)
6. Numerical example
Example 1.
Example 2.
替換了 P(0.3)P(0.3)P(0.3) 參數矩陣后:
總結
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