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针对仿射非线性系统,分析了一类快速预测控制算法稳态误差的来源,给出了误差的解析表达式.通过反馈校正消除稳态误差,提高了算法对模型失配的鲁棒性.对水箱液位控制系统的仿真和实验研究,结果验证了分析和改进的有效性. 相似文献
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首先提出了一种同时具有计算量小和工作域大等优点的非线性预测控制算法,该算法的这些优点是由于在基于可行解的非线性预测控制算法中结合了多模型方法;然后证明了该算法的稳定性并分析了它的特点;最后用一个连续搅拌水箱反应器的例子说明了该方法的有效性. 相似文献
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简述了矿渣微粉生产整体流程,研究了以最大化经济效益为目的的全流程优化问题.通过协调生产管理、运行优化、过程控制等部门的工作,结合立磨粉磨过程的工艺特点,提出了针对矿渣微粉生产过程的全流程优化整体解决方案.基于某微粉厂提供的大量数据,分析挖掘出矿渣微粉生产过程中影响经济效益的生产指标,以及在生产过程中影响这些生产指标的控制指标.将运行优化分为两层,并给出数学描述,为矿渣微粉生产过程全流程优化的深入研究奠定基础. 相似文献
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Effect of Aspiration and Mean Gain on the Emergence of Cooperation in Unidirectional Pedestrian Flow
When more than one pedestrian want to move to the same site,conflicts appear and thus the involved pedestrians play a motion game.In order to describe the emergence of cooperation during the conflict resolving process,an evolutionary cellular automation model is established considering the effect of aspiration and mean gain.In each game,pedestrian may be gentle cooperator or aggressive defector.We propose a set of win-stay-lose-shrift WSLS like rules for updating pedestrian's strategy.These rules prescribe that if the mean gain of current strategy between some given steps is larger than aspiration the strategy keeps,otherwise the strategy changes.The simulation results show that a high level aspiration will lead to more cooperation.With the increment of the statistic length,pedestrians will be more rational in decision making.It is also found that when the aspiration level is small enough and the statistic length is large enough all the pedestrian will turn to defectors.We use the prisoner's dilemma model to explain it.At last we discuss the effect of aspiration on fundamental diagram. 相似文献
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