肉类在烧烤时外部通常很快就会变褐色。

Meat and poultry cooked on a grill often browns very fast on the outside.

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线性二次型优化设计可以满足系统的静态性能指标要求，而滑模变结构控制抑制了外部干扰的影响，并保证了系统的快速动态响应。

The LQR design makes sure the system performance index is satisfied, while the sliding mode control restrains the disturbance exterior, as well as makes sure fast dynamical response.

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模拟结果显示所提出的控制器具有快速跟踪预定轨迹、对参数时变和外部扰动具有鲁棒性等特点。

The simulation results show that the proposed controller is effective in fast tracking and robust to parameter variation and external disturbance.

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