查询词典 Petri

Investigate the performance analysis of material flow system based on stochastic petri net model.

归纳了建立物流系统仿真模型的方法及仿真算法中的三种基本仿真策略，阐述了研制物流仿真器的目的与意义。

The relationship between stochastic Petri Nets and basic stochastic process is analyzed.

分析了随机Petri网和基本随机过程的关系，讨论了各类随机Petri网的求解方法。

Process expression of a Petri net is a regular expression with the basic subprocess set of the net system as alphabet.

要把进程表达式的概念推广到无界Petri网，会遇到两方面的困难。一方面，由于正规表达式的字母表必须是一个有限字符集，是否可以把一个无界Petri网的各种可能的运行情况都归结为有限个基本子进程的组装？

Batch process plant described by subprocess is modeled by timed Petri n ets, and heuristic dynamic optimization algorithm is proposed to control the pla nt.

用赋时Petri网来建立以子进程表示的批处理过程，并提出启发式动态优化算法对过程进行控制。

The teachability, which is a problem of driving the states of a hybrid system to a given region, is realized by designing a state feedback controller of Petri net, the firing conditions of transitions and the controller of the continuous system.

研究了系统的可达性问题，通过设计受控Petri网状态反馈控制、变迁的激发条件和连续系统的控制器，实现系统的可达性，即驱动混合系统的状态进入某一预先给定的状态区域。

With the development of the understanding about the objective world, the theory of fuzzy sets, neural network, and Petri net has been extensively studied in various fields of engineering.

随着人类对客观世界认识的不断深入，模糊理论、神经网络、Petri网技术已经应用到工程实践中的多个领域。

Timed Petri-netbased approach has been shown to be a very promising way to handle it.

赋时Petri网技术是求解此类问题的一种有效方法。

In this paper, we pr opose a project management structure based on timed Petri net.

本文提出一种基于时延Petri网的项目管理方法，克服了上述的不足。

Directly analyzing the transition sequences of reachablility graph of the Petri nets modeling calculates the transitional probability of each transition sequences from one fault to the whole manufacturing cell being failure.

其组成以及加工过程的运行都相当复杂，若出现故障，则可能造成重大损失，所以研究复杂制造系统的可靠性问题就显得极其重要。随着现代科学技术的发展，人们从事的工程活动和制造的产品日趋复杂，规模越来越大[1]。

The rest of the desk area includes my grandfather's Kodak Duaflex II twin-lens camera and my father's old Japanese Petri rangefinder camera, an Eames DSW chair from Vitra, as well as a letterpress drawer and some old wooden 7Up crates that I found at the Pasadena Rose Bowl flea market in the early 90s.

桌子旁边放着我祖父的Kodak Duaflex II twin-lens 相机，还有我爸爸的一台旧日本相机 Petri 。其它的还有埃姆斯DSW 椅子，一台带抽屉的拷贝机和在 Pasadena Rose Bowl 的跳蚤市场上发现的九十年代的木制板条箱。

Vishnu entered a dark fourth dimensional dream that did not support his field or continued life.

毗瑟挐进入了一个第四密度的黑暗梦想，那里并不支持他的能量场或继续生命。

Leaders and decision-making persons use it to collect the data, including the information of unit work, handing in fee, oweing fee, prepaying fee,changing and afterpaying and account transfering of joining-insurance employee, and account paying of all kinds of insurances from hospitalization insurance institutions.The collected data is picked up, organized, switched and showed to user.

该子系统主要面向各级领导、决策分析人员；从各个医疗保险经办机构和定点医疗机构采集数据，包括在各个医疗保险经办机构处理的单位办公信息，单位缴费、欠费、预缴费信息，参保职工变更信息，参保职工增减变动信息，参保职工补缴信息，参保职工帐户划拨信息：包括各定点医疗机构处理的各险种帐户支出信息，各险种的统筹金支付信息等；将采集的数据提取，组织和转换，然后展示给用户。