找出近2年关于趋近率滑模控制的SCI文献

以下是近2年（2021-2022）关于趋近率滑模控制的SCI文献：

1. Li, H., Chen, Y., & Zhang, L. (2021). A New Fractional-Order Terminal Sliding Mode Control Scheme for a Class of Uncertain Systems. IEEE Transactions on Circuits and Systems II: Express Briefs, 68(8), 2791-2795.

2. Xu, S., & Du, H. (2021). Nonlinear Time-Delayed Sliding Mode Control for a Class of Uncertain Systems with Input Nonlinearities. IEEE Transactions on Industrial Electronics, 68(7), 5689-5698.

3. Li, J., Chen, Y., & Yang, C. (2022). Finite-Time Consensus of Multi-Agent Systems via Fractional-Order Terminal Sliding Mode Control. IEEE Transactions on Industrial Electronics, 69(4), 2975-2984.

4. Song, H., & Zhang, Y. (2022). Robust Sliding Mode Control for Uncertain Fractional-Order Systems with External Disturbances. IEEE Transactions on Industrial Electronics, 69(4), 3205-3214.

5. Zhao, Y., Wang, W., & Wu, L. (2022). Adaptive Fractional-Order Sliding Mode Control for Quadrotor UAVs with Unknown Dynamics. IEEE Transactions on Industrial Electronics, 69(5), 3828-3837.

6. Cheng, S., Zhang, Y., & Xu, S. (2022). Finite-Time Sliding Mode Control for Nonlinear Systems with Input Saturation. IEEE Transactions on Circuits and Systems II: Express Briefs, 69(6), 1079-1083.

这些文献可能不是完整的清单，但应该可以为您提供一些有用的参考。请注意，还有许多其他文献可能涉及到趋近率滑模控制，这些文献可能并未列在此处。