Based on QDPSO, a new algorithm is presented to tune PID controller parameters, which has superior features, including easy implementation, stable convergence, and quick computational efficiency.

基于QDPSO提出了一种新的PID参数整定算法，该算法具有操作简单、稳定收敛、寻优快速等优点。

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The 2008 election offers a chance for Washington to get back in tune with growth, but for now Washington's processes are stacked against a quick economic recovery.

FORBES: Washington: Out of Tune With Growth