查询词典 optimization

FEA is an efficient design tool in modern engineering design. The widely application of finite element analysis and structural optimization can shorten the period of production development, reduce the cost of production manufacture and improve the quality and reliability of the product.

有限元结构分析是现代工程设计的一种快捷、有效的辅助工具，基于有限元方法的结构分析和优化技术的广泛应用，能够有效降低产品的开发成本，缩短产品的研制周期，提高产品的质量和可靠性。

The optimization of tomato bacterial wilt was investigated through Single-factor experiments and Uniform Design in hydroponics.

通过单因素试验和均匀试验设计研究了水培条件下番茄青枯病发生的最佳条件。

The result of optimization indicates that for different speeds, the optimal open timing of inlet and outlet valve are different.

优化结果表明，不同的转速下，最优的进排气提前角不同。

This paper has researched the airplane ground job operation using earliness and tardiness scheduling with distinct due windows,the mathematic model is established by fuzzy programming ,the uncertain processing time are denoted by the triangle fuzzy numbers,and simulation using particle swarm optimization is given to illustrate the efficiency of the presented models and the optimal algorithms.

对具有不同时间窗的提前/拖期调度方法应用于飞机地面作业调度进行了研究，用模糊规划建立数学模型，用三角模糊数表示了地面作业中时间的不确定性，应用粒子群优化算法对模型进行了仿真。

This method makes up the shortage of traditional decision network planning and makes the blue print choice more reasonable. Because this method comprehensively considers the six aspects of the project. The six aspects are duration ,cost, quantity, technique risk, strategy intention and maintenance. Second, it researched the calculation method of time parameters based on fuzzy triangle number of decision network planning. At last, it studies the fuzzy duration-cost optimization of decision network planning.This dissertation makes use of fuzzy theory to the decision network planning.

首先将模糊综合评判方法应用于决策节点方案选择，从工期、费用、质量、技术风险、战略意图和维护需求等六个方面全面比较各个备选方案，与传统网络计划在进行方案决策时只注重工期和成本两个方面相比，决策效果有所改善；其次，研究了采用模糊三角数表示工序工期情况下的决策网络计划时间参数计算方法以及模糊工期压缩等问题；最后，对模糊决策网络计划工期—成本优化方法进行了探讨。

Through analyzing the response time of fire detector, the setup of fire detectors are reasonable and they can give an alarm in first time. The method can realize fire protection design scientific, rationalization and cost-benefit optimization.

通过对探测器响应时间分析，探测器的设置合理，能够在第一时间报警，并且实现了消防安全设计的科学化、合理化和成本效益的最优化。

The distance between thumb and middle finger and ring finger is determined in cooperation with optimization index.

确定了拟人执行器拇指与中指和无名指的间距。

Through case studies of two specific examples, k2 and t2 are recommended as the comprehensive assessment indices of the thrust deduction properties for this system and reducing R(subscript r/H) and R(subscript r/SD) are suggested as the main direction for further optimization.

通过对两个特定方案的评估分析，推荐采用k2和t2作为系统推力减额性能优劣的综合评价指标，并建议采取以减小R和R为主要方向的优化策略。

Then modeling the passenger special railway station throat and receiving-departure track operation processes, and sets up a carrying capacity optimization mode which based on the harmonizing different part of station operation. All these research sets a primary foundation for developing the carrying capacity of passenger special railway station simulation software.

并以此为基础建立能真实反映客运专线客运站咽喉、到发线作业过程及作业之间相互协调配合下的通过能力优化模型，为研制客运专线客运站通过能力仿真软件奠定理论基础。

The topologies of the FCL proposed for three-phase four-wire and three-phase three-wire power systems are investigated in detail. Parameter design and optimization are presented.

文中详细论述了用于三相系统的限流器的主电路拓扑结构、控制策略、参数设计与优化方法等。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。