针对一般形式的非线性系统，研究了有终端约束的稳定预测控制策略-有限时域滚动控制相对传统最优控制的次优性问题。

In this paper, considering nonlinear systems, the suboptimality of receding horizon control with Terminal Constraints is presented and compared with traditional optimal control.

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结果表明：在工件的权重和工件的平均加工时间不成比例的最一般的情况下，最短加工时间和最长加工时间优先规则的联合使用给出了使拖后工件数最少的优先策略，并对算法的最优性进行了证明。

The priority policy of joint use of the shortest expected processing time and the longest prcessing time is optimal when the expected processing time is non-proportional to the number of the jobs.

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