“模拟电子技术基础”课程的立体化教材建设

本文介绍了我校"模拟电子技术基础"课程立体化教材建设的整体思路,探讨立体化教材的内涵和表现形式,论述了如何将教学改革成果和科研成果融入教材,妥善处理传统内容继承与现代内容引进的问题;建立具有示范和辐射作用的数字化教材资源,突出了电子技术的应用性和实践性,强化学生工程实践能力的培养。     

Enforcement avoidance behavior near automated speed enforcement areas in Korean expressways

Automated speed enforcement system (ASES) has been deployed as a safety countermeasure on Korean roadways to reduce speeding-related traffic crashes; information on ASES locations is mandated to be open to the public. However, because drivers are alerted about enforcement via on-board navigation systems and roadside signs, they can avoid enforcement by momentarily reducing their speeds near ASES locations. This enforcement avoidance behavior (EAB) can induce sudden changes in speed near the enforcement locations and thereby increase risk of crash occurrence.     

一种基于人眼视觉特性的立体图像质量客观评价方法

通过模拟人眼视觉特性中的对比度敏感函数、多通道效应以及立体感知特性,提出了一种基于人眼视觉特性的立体图像质量客观评价方法.在评价左右图像质量时,利用小波变换模拟人眼视觉特性中的多通道效应,不同空间频带的小波系数按对比度敏感函数进行加权,左右图像质量度量采用Canberra $巨离.在评价立体感知时,则通过计算原始与测试...     

基于PLC的自动化立体仓库控制系统设计

本文介绍的自动化立体仓库是自动化技术与物流仓储工程结合产物。硬件方面,介绍了系统中主要部件的特点和功能,完成了PLC与机械手与堆垛机辊道输送的接口连接设计;软件方面分析了系统工作的流程,给出了系统运行的主程序图,旨在提高装置的可靠性和自控精度,从而提高整个系统的工作效率。     

Review of high level fault modeling approaches for mixed-signal systems

In the modern analogue design, Transistor Level Fault Simulation (TLFS) plays the important part since every fault in the whole circuit has to be simulated at that level. Unfortunately, it is a very CPU intensive task even though it maintains the high accuracy. Therefore, High Level Fault Modeling (HLFM) and High Level Fault Simulation (HLFS) are required in order to alleviate the efforts of simulation. In this paper, different HLFM approaches are reviewed at the device level during last two decades. We clarify their domains of application and evaluate their strengths and current limitations. We also analyze causes of faults and introduce various test approaches.     

机械式立体汽车库设计要点初探

通过实际工程中的经验总结，指出机械式立体汽车库在节地、空间利用、安全、节能等方面具有突出优势，进而对机械式立体汽车库的设计要点进行了经验的总结和简要的剖析。     

数据挖掘在政府信息系统设计中的应用研究

随着电子政务的蓬勃发展，政府部门内部及政府部门之间产生了大量政务信息息。如何准确、有效地从这些数据中提取有价值的信息就成为目前电子政务的一个重要问题。本文重点阐明了采用数据挖掘技术采监控与管理日益复杂的交换平台。对研究数据挖掘在电子政务中的实际应用具有一定的借鉴作用和推厂意义。     

Production and set-up control of a failure-prone manufacturing system

The present paper considers a stochastic optimal control problem for a one-machine two-parts manufacturing system, subject to random breakdowns and repairs. The machine under consideration is not completely flexible and hence requires set-up time and cost in order to switch the production from a part type to another. The objective is to find the production plan and sequence of set-ups that minimize the cost function that penalizes inventory/backlog and set-up costs. A continuous dynamic programming formulation of the problem is presented. A numerical scheme is then adopted to solve the obtained optimality conditions equations. The optimal set-up policy. is shown numerically, to be described by a modified hedging corridor strategy. A complete heuristic policy, based on the determination of the boundaries of the corridors that describe the optimal policy in positive and negative areas of the state variables, is developed. The usefulness of such a policy is iJlustrated through experimentation and sensitivity analysis. Extensions to more complex systems are also discussed.     

A computer algebra approach to verification and deduction in many-valued knowledge systems

 A theoretical result [10] that relates tautological consequence in many-valued logics to the ideal membership problem in algebra is revisited. The intended use of the approach in this article and its implementation is the verification of consistency and the automated extraction of knowledge in rule-based knowledge systems. Programs are written in the CoCoA language. Four RBS are studied to illustrate the implementation.