中文摘要：

基于滑模变结构控制，研究了不确定非线性系统模型到达混沌反控制，保证经有限时间，使受控不确定非线性系统达到与混沌参考系统数学模型完全一致，并就到达的快速性，鲁棒性进行了讨论，最后以Lorenz混沌系统为混沌参考模型的情况进行了仿真，仿真结果表明所给方法是有效的。

英文摘要：

The model for realizing chaos antl-control of nonlinear system is studied based on sliding mode variable structure control, and on account of which the identity of the controlled system model and chaos reference model is guaranteed in finite time. Both its speed and robustness are discussed theoretically. As an example, Lorenz chaotic system is employed as the chaos reference model for the simulation verification. Results show that the suggested method is valid.