constraint n. 1.强迫,拘束。 2.约束,压抑,拘泥。 3.强制力。 4.紧张感[状态]。 by constraint 勉强,强迫。 feel constraint觉得局促不安,感受压迫。 show constraint显得局促。 under [in] constraint 被迫,不得不;被束缚着。
performance n. 1.执行,实行,履行;完成;实现;偿还。 2.行为,动作,行动;工作。 3.性能;特性。 4.功绩;成绩。 5.演奏;弹奏;演出;(驯兽等的)表演;把戏。 6.【物理学】演绩。 a performance test 【机械工程】性能试验。 high performance 高度准确,性能优良。 an afternoon performance 午后的演出,日戏。 two performances a day 一天演两场。 a fine [wretched] performance 成绩好[坏]。 put a monkey through its performances 使猴子玩种种把戏。 performance in [of] horse-manship 马戏;马术表演。
Web service abstraction layer , loose coupling , and xml based format are susceptible to performance constraints Web服务抽象层、松散耦合和基于xml的格式易受到性能限制的影响。
In the third optimization model , the stress and the first mode frequency are selected to form the performance constraints . the third optimization model is presented by the stress , the stiffness and the mass 在第三个优化模型中,以强度和一阶频率作为性能约束,对泵车有限元优化模型进行强度、刚度和质量多方面综合优化。
In the performance seeking control process , performance constraints and component constraints that occur in the actual engine transient state are considered . besides , the constraints of control variable , such as the change rate and the change range , are also taken into account 在寻优控制研究中,不但充分考虑了真实发动机在工作过程中存在的各种性能和部件约束,而且还考虑到在工程实际中控制作用量的变化速率和变化幅度的限制等约束。
After summarizing those rules , the automatic modeling approach that can derive pbg model and parameters " value of lineweb from its geometric structure is presented . by this approach , hmb design can not only implement structural optimization but also meet the dynamic performance constraints . based on the researches mentioned above , a hmb optimal design software package with high intelligence is developed successfully using visual c + + and objec 在上述研究的基础上,应用visual十和objectarx具包,成功开发出高度智能化的液压集成块优化设计软件原型系统,主要由三大模块即原理图智能设计模块hmbplot 、布局布孔自动优化设计模块hmbcad和装配显示模块hmbview组成。
5 . standard h2 / h and robust h2 / h mixed control problems are systematically analyzed by the method of linear matrix inequation . design method of the optimum guaranteed performance control rule as well as the one which satisfies the given disturbance attenuation degree and performance constraints are discussed 6 运用线性矩阵不等式方法,系统分析了标准h _ 2 h _混合控制问题及鲁棒h _ 2 h _混合控制问题,探讨了满足给定的扰动衰减度和性能约束的保性能控制律及最优保性能控制律的设计方法。