# Consensus of Second Order Multi-Agent Systems with Exogenous Disturbance Generated by Unknown Exosystems

^{1}

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## Abstract

**:**

## 1. Introduction

## 2. Preliminaries and Problem Formulation

**Definition**

**1.**

## 3. Designing of Internal Models

**Assumption**

**1.**

**Assumption**

**2.**

**Lemma**

**1.**

**Proof.**

**Remark**

**2.**

## 4. Main Result

**Assumption**

**3.**

**Lemma**

**2.**

**Remark**

**3.**

**Theorem**

**1.**

**Proof.**

**Remark**

**4.**

## 5. Illustrative Example

## 6. Conclusions

## Acknowledgments

## Author Contributions

## Conflicts of Interest

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**MDPI and ACS Style**

Zhang, X.; Zhu, Q.; Liu, X.
Consensus of Second Order Multi-Agent Systems with Exogenous Disturbance Generated by Unknown Exosystems. *Entropy* **2016**, *18*, 423.
https://doi.org/10.3390/e18120423

**AMA Style**

Zhang X, Zhu Q, Liu X.
Consensus of Second Order Multi-Agent Systems with Exogenous Disturbance Generated by Unknown Exosystems. *Entropy*. 2016; 18(12):423.
https://doi.org/10.3390/e18120423

**Chicago/Turabian Style**

Zhang, Xuxi, Qidan Zhu, and Xianping Liu.
2016. "Consensus of Second Order Multi-Agent Systems with Exogenous Disturbance Generated by Unknown Exosystems" *Entropy* 18, no. 12: 423.
https://doi.org/10.3390/e18120423