JIT Production Sequencing Based on Blended Genetic Algorithms

JIT管理方式是实施CIMS工程中的一种重要的生产管理方式 ,以消除制造过程中的一切浪费为宗旨 ,消除和降低企业生产经营中的各种浪费 ,降低产品的成本 ,从而给企业带来了巨大的效益。JIT管理方式近来被广泛地应用于企业的生产经营管理中。在JIT生产方式中如何设计最佳的投产顺序计划问题一直是一个难题。在前人研究成果的基础上 ,使用把原有算法和自调整参数遗传算法相结合的混合遗传算法来求解这个问题。仿真结果表明这种算法是行之有效的。JIT is an important way for a CIMS project. Aiming to eliminate all wastes in the process of manufacture, it is effective to eliminate and reduce all kinds of wastes in production management, and cut down the cost of products, thus bringing the manufacturer to great benefits. So JIT has been widely used during the pastyears. In JIT mode of production, it is a difficult problem on how to design the optimal sequence. In this paper, Blended genetic algorithms (BGA) combining the proximal solution with genetic algorithms (GA) is used to solve the problem. The simulations show that the BGA is effective.厦门大学工科专项经费资助课题 (3 0 0 3

Data Analysis and Program in Ceramics Grain Growth Simulation

本文从陶瓷晶粒微观结构和晶粒生长基础理论出发对陶瓷晶粒生长仿真进行研究，主要针对计算量大﹑占用内存多的问题从数据结构方面进行深入探讨，提出树型结构和离散化方法，并对内外部原子进行区分处理，最后得到计算量为（为原子数），和理论计算量在同一个数量级上。在晶粒生长过程的仿真中，从程序实现方式上进行改进性探讨。 本论文由五章组成。第一章分析当前晶粒生长仿真研究的现状，提出本文的研究方向；第二章分析陶瓷晶粒的微观几何结构和生长形态学﹑动力学等影响晶粒生长的因素，针对生长过程各个阶段的程序实现进行分析和改进；第三章从数据结构和陶瓷晶粒生长的实际情况两个角度进行减少计算量的研究，给出相应的数据结构，并在第...Based on the theories of grain growth in ceramics, a tree structure and a discrete method are proposed in this thesis to improve the running speed of simulation program. At the same time, distinguishing the inner atoms and outer atoms is also discussed. By all of these means, a computation of is reached in the thesis, which is equal to the ideal computation. There are five chapters in the thesis...学位：工学硕士院系专业：计算机与信息工程学院自动化系_系统工程学号：19993100

Creating InternetBeans Express-based Servlet with Jbuilder4

Web的动态网页已经成为 Web站点信息资源组织、共享发布与信息交互的主要技术。介绍了Java Servlet的特点和应用方式 ,提出了利用 Servlet的三层结构模型 ,并利用 Java最优秀的工具 Jbuilder4开发了一个具体的实例The Web dynamic page has become the main technology for information resource organization of the Web site,sharing resource publishing and information interaction.This paper introduces the characters and the application of JavaServlet,and presents threelayer model of the Servlet.An example how to develop the Servlet with Jbuilder4 IDE is given

Prediction of Energy Resolution in the JUNO Experiment

International audienceThis paper presents the energy resolution study in the JUNO experiment, incorporating the latest knowledge acquired during the detector construction phase. The determination of neutrino mass ordering in JUNO requires an exceptional energy resolution better than 3% at 1 MeV. To achieve this ambitious goal, significant efforts have been undertaken in the design and production of the key components of the JUNO detector. Various factors affecting the detection of inverse beta decay signals have an impact on the energy resolution, extending beyond the statistical fluctuations of the detected number of photons, such as the properties of liquid scintillator, performance of photomultiplier tubes, and the energy reconstruction algorithm. To account for these effects, a full JUNO simulation and reconstruction approach is employed. This enables the modeling of all relevant effects and the evaluation of associated inputs to accurately estimate the energy resolution. The study reveals an energy resolution of 2.95% at 1 MeV. Furthermore, the study assesses the contribution of major effects to the overall energy resolution budget. This analysis serves as a reference for interpreting future measurements of energy resolution during JUNO data taking. Moreover, it provides a guideline in comprehending the energy resolution characteristics of liquid scintillator-based detectors