查询词典 scheduling

Dynamic scheduling inevi tably brings much overhead, however, it is very difficult to keep the load balan ce among processors if only static scheduling is used.

采用动态调度势必增加额外开销，纯采用静态调度又很难保证各处理器的负载平衡。

The most important thing to solve the scheduling problem is mathematical modeling and algorithm construction, because effective scheduling algorithm can observably improve the utilization of resource and productivity.

解决问题的核心是模型和算法，有效的调度算法，可以大大提高资源的利用率和生产效益。

Selection of scheduling rule s based on genetic algorithm and process simulation;2. The results are regressively analyzed and monthly scheduling rule s are obtained.

通过对5个典型年短期优化调度模型求解结果进行回归分析，获得各月的短期调度规则，对调度规则的验证结果表明相对误差较小，所得到的短期调度规则可以投入实际应用。

In this paper, firstly, the general model of scheduling problem is analyzed and stimulatingly the factors affecting the scheduling efficiency are summarized.

本文首先分析了调度问题的一般模型，总结了影响调度性能的各种因素。

Earliness/tardiness scheduling problem in flow shop ;2. The integrated optimization of equal size sublot streaming and sublot-intermingling scheduling in a multi-product and multi-machine flow shop was discussed.

讨论了一类多产品多机流水车间等规模子批量流与混排序的集成优化问题，以最小完工时间为目标函数建立了非线性混合整数规划模型，利用遗传算法+仿真的策略求解。

It brings new requirements to production planning and scheduling. How to realize the cooperation of production planning and scheduling between multiple plants, how to implement the coordination of production and transportation, and how to tackle with uncertainty and recover the feasibility of schedules against unexcepted events.

随着企业的发展与扩张，分布式多工厂组织模式越来越多，并对生产计划与调度提出了新的任务：如何实现多个分布式工厂之间生产计划与调度的协作；如何实现生产过程与运输过程的协作；如何处理工厂内外可能出现的不确定性和各种异常扰动，并敏捷、动态地恢复计划与调度的可行性。

This article enunciates preventive maintenance based on the state of key equipments in manufacturing execution system and management of workshop planning and scheduling. A comprehensive mathematical model between multi-key-equipments preventive maintenance and management of workshop planning and scheduling is offered.

1引言制造企业中关键设备是指发生故障时对整个生产系统影响较大的设备，特别是自动化流水生产线和联动设备；必须确保安全性能的设备，如动能设备；价格昂贵的精密、大型，重型、稀有设备；故障停机修理费用及停机损失大的设备等。

Aiming at the irrationalities of static task scheduling in collaborative product development and design, a dynamic optimized scheduling method based on the least finish time is proposed.

摘要针对协同产品开发中设计任务静态排序的不合理性，提出了一种基于最小化完工时间的任务优化动态排序方法。

This paper firstly introduces the methods and developments about workshop scheduling inside and outside country; secondly expatiates the basic conception and principle about genetic algorithm; then analyses the flow shop and job shop scheduling problem, also predigests the mathematic depiction so as to convenience further program design.

其次对所研究的流水车间调度和作业车间调度进行了详细的数学分析，并对数学描述进行了简化，为下一步算法设计建立数学模型。

Through scheduling process analysis of periodic task, the waiting limit formula of each task in ready queue was obtained while guarantees its deadline. In addition, some properties, such as final preempting time was deduced and the necessary condition of periodic tasks preempting behavior was described quantitatively. Based on them, a micro scheduling preemption model for periodic tasks in ready queue was put forward, which decreased the number of preemptions and optimized system performance through changing the preempting sequences.

通过分析周期性任务的调度过程，得出在确保任务不错过截止期条件下，各个任务在就绪队列中可等待的最长期限计算公式，并根据公式推导出任务满足截止期的最后抢占时刻等属性，从而定量地刻画了周期性任务抢占行为发生的必要条件，提出了一套对周期性任务的就绪队列进行微调度的抢占模型，通过改变抢占关系来减少抢占次数、优化实时系统性能。

Don't listen to their haver, nothing of that sort.

别听他们胡说八道，根本就没那回事。

But bank's shares trade below their book value, suggesting that investors are skeptical.

但是，银行股票以低于账面价值的价格交易，这一点反应了投资者的怀疑。