摘要：An approach to design and implement the control function of LD (Ladder diagram) in the hydropower simulation system based on all paths searching algorithm is proposed in this paper. LD is widely used as a programming language for PLC (Programmable Logic Controller), but it doesn’t be executed automatically in the hydropower simulation system which is a software system, and there is no compiler or interpretation for LD in it. The approach in this paper is not only to present a graphical interface to design LD, but also implement its control function through transforming it to a corresponding undigraph, in which, all paths be-tween two vertexes (live wire and null line) are searched by the proposed algorithm. An application example is presented to verify the validity of the algorithm and shows that the algorithm is correct and practicable. In addition, how to implement the control function based on object-oriented thought is introduced. The running time is shown at last, which proves that the system with the algorithm can meet the real-time request in the hydropower simulation system.

摘要：图解(diagram),有两层含义,一般概念和哲学概念,本文主要探讨其哲学概念,简单说,图解的哲学概念关注的是事物内部结构发展与形式的生成的关系,这与设计所谈论的形式创造密切相关。20世纪,一些建筑师从福柯、德勒玆等哲学领域对图解的阐述中发展转化出一系列建筑实践与研究,图解作为一种设计方法及工具为建筑学提供了一种新的面貌和思维方式,如今甚至被越来越多的建筑师和批评家所关注。本文通过考察和分析图解概念流变及其在不同领域的应用和操作方式,了解图解是如何作用于具体的设计研究和实践,及其方法和对于设计而言的重要意义。

摘要：在基于UML的业务流程分析与设计过程中,从静态模型分析到动态模型构建,经过一系列抽象转换和代码实现,往往满足不了业务需求,缺少一种所见即所得的业务过程实现。在探索UMLCommunicationdiagram和WF StateMachine业务流程映射关系的基础上,选取UML用户指南中典型案例,研究从Communicationdiagram到State Machine编程模型之间的静态映射和动态规则转换,基于WF可视化地实现了动态构建与测试,解决了从分析、设计到构建的无缝转换。

摘要：A materials design tool for developing Pb-free soldering alloys in electronic package was developed based on comprehensive experimental data of phase equilibria and thermodynamic properties data accumulated with the CALPHAD (calculation of phase diagrams) method and contains 10 elements,namely,Ag,Au,Bi,Cu,In,Ni,Sb,Sn,Zn and *** can handle the calculation of phase diagrams in all combinations of these elements and all composition *** addition,based on this tool,the liquidus,solidus,phase fractions and constitutions,equilibrium and non-equilibrium solidification behavior,surface tension and viscosity of liquid,diffusion reactions and microstructural evolution,*** be *** examples of the calculation and application of this tool are *** design tool is expected to be a powerful tool for the development of Pb-free solders,as well as for promoting the understanding of the interfacial phenomena between Cu substrate and Pb-free solders in electronic packaging technology.

摘要：Recently, 3D bioprinting is developed as an emerging approach, increasingly applied to materials for healthcare;while, the precise placement of cells and materials, and the shape fidelity of forming constructs is of great importance for successful application of 3D bioprinting. Research efforts have been made to develop new bioinks as "raw materials" with better biocompatibility and biofunctionality, but the printability of bioinks is largely ignored and still needs to be carefully examined to enable robotic bioprinting. This article aims to introduce a recent published review (Appl. Phys. Rev. 2018, 5, 041304) on the evaluation of bioink printability by Huang's research group from University of Florida. Huang et al. comprehensively reviewed the bioink printability based on the physical point of view during inkjet printing, laser printing, and microextrusion, and a series of self-consistent time scales and dimensi on less quantities were utilized to physically understand and evaluate bioink printability. This article would be helpful to know the trends on physical understanding of bioink printability.

摘要：An in-depth approach towards the design of PIFA has been taken. After discussing the essential parameters involved in the design procedure and introduction of a design algorithm, a miniaturized dual-band PIFA is introduced. Different specifications of the proposed antenna are measured both through computer simulation and fabricated PIFA. Also, the Specific Absorption Rate (SAR) is introduced and measured for this antenna.

摘要：The announcement of major sporting events scheduled to take place in Rio de Janeiro in the coming years is now producing several radical urban transformations that are attracting the attention of renowned architects of the international circuit. All this is happening in a city where relevant architectural references have not been produced for a long while because of the prolonged economic crisis of the past. Despite these conditions, people were able to detect “invisible” design lessons to be learned in this city by sharing perceptual experiences with foreign observers who are, by definition, unaware of their preconceptions. This paper deals with the development of a strategy for re-presenting design references that are locally rooted and accessible for direct embodied experience. The strategy put forward a MPI （metropolitan performance index） drawn out from a bibliographical survey coupled with analytical spatial diagrams of different case-studies presented as a tour guide for the recognition of the architecture produced in Rio de Janeiro. It is believed that this strategy can favor the adoption of an eye attuned to contemporary theories especially interested in the spatial and programmatic concerns that today instigate the designer.

摘要：This paper describes a new BDD(Binary Decision diagram) that use SCOAP value for its path. Based on analysis of BDD and input variables, variable ordering and reducing algorithms for BDD operation that are constructed by circuits description of netlist are proposed. Further, several bench nark circuits are shown to verify the efficient methods.

摘要：This paper introduces a multi-model approach to design a robust supplementary damping controller. The designed fixed-order supplementary damping controller adjusts the voltage reference set point of SVC. There are two main objectives of the controller design, damping low frequencies oscillations and enhancing power system stability. This method relies on shaping the closed-loop sensitivity functions in the Nyquist plot under the constraints of these functions. These constraints can be linearized by choosing a desired open-loop transfer function. The robust controller is designed to minimize the error between the open-loop of the original plant model and the desired transfer functions. These outcomes can be achieved by using convex optimization methods. Convexity of the problem formulation ensures global optimality. One of the advantages of the proposed approach is that the approach accounts for multi-model uncertainty. In contrast to the methods available in the literature, the proposed approach deals with full-order model (i.e., model reduction is not required) with lower controller order. The issue of time delay of feedback signals has been addressed in this paper for different values of time delay by applying a multi-model optimization technique. The proposed approach is compared to other existing techniques to design a robust controller which is based on H2 under pole placement. Both techniques are applied to the 68-bus system to evaluate and validate the robust controller performance under different load scenarios and different wind generations.

摘要：运行监控业务辅助管理系统完成了 “运行监控业务辅助管理软件” , 建立了监控业务知识库; 系统实现了探测数据处理流程、 省级运行监控值班流程和应急响应简明流程集中展示; 通过智能提取人员信息、 自动关联和自动校验等技术细节实现了业务值班信息高效管理和量化统计; 实现了区域站社会化保障部分指标汇总.该系统自建成以来, 运行稳定可靠, 提高了运行监控主要业务工作的规范化和信息化水平.