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2power2
- 在大功率DC/DC开关电源中,为了获得更大的功率，特别是为了得到大电流时，经常采用N个单元并联的方法。多个单元并联具有高可靠性，并能实现电路模块标准化等优点。然而在并联中遇到的主要问题就是电流不均，特别在加重负载时，会引起较为严重的后果。普通的均流方法是采取独立的PWM控制器的各个模块，通过电流采样反馈到PWM控制器的引脚FB或者引脚COMP，即反馈运放的输入或者输出脚来调节输出电压，从而达到均流的目的。显然，电流采样是一个关键问题：用电阻采样，损耗比较大，电流放大后畸变比较大；用电流传感器成
failure
- This paper addresses a stochastic-#ow network in which each arc or node has several capacities and may fail. Given the demand d, we try to evaluate the system reliability that the maximum #ow of the network is not less than d. A simple algorithm
constraint
- This paper addresses a stochastic-#ow network in which each arc or node has several capacities and may fail. Given the demand d, we try to evaluate the system reliability that the maximum #ow of the network is not less than d. A simple algorithm
budget
- This paper addresses a stochastic-#ow network in which each arc or node has several capacities and may fail. Given the demand d, we try to evaluate the system reliability that the maximum #ow of the network is not less than d. A simple algorithm
unreliable
- This paper addresses a stochastic-#ow network in which each arc or node has several capacities and may fail. Given the demand d, we try to evaluate the system reliability that the maximum #ow of the network is not less than d. A simple algorithm
Reliability
- A stochastic-flow network consists of a set of nodes, including source nodes which supply various resources and sink nodes at which resource demands take place, and a collection of arcs whose capacities have multiple operational states.
二相四拍步进电机控制程序设计
- 二相四拍步进电机控制程序设计,本次课程设计采用的是西门子公司的S7-200系列小型PLC。S7-200以其极高的性能价格比，在国内占有很大的市场份额。S7-200适用于各行各业的检测、监测及控制的自动化，无论独立运行或连成网络，都能实现复杂的控制功能。另外，S7-200具有极高的可靠性、丰富的指令集和内置的集成功能、强大的通信能力和丰富的扩展模块。,Two-phase stepper motor control of four-beat programming, this course desi
ICQualityReliabilityTest
- 介绍一些目前较为流行的Reliability的测试方法, 选择合适的测试方法，最大限度的降低IC测试的时间和成本，从而有效控制IC产品的质量和可靠度。 -Some of the more popular current method of testing Reliability, choose a suitable test method, the maximum reduction of IC test time and cost of IC products in order to effe
jizhanrichangweih
- 基站电源的日常维护与管理 蓄电池是基站电源系统的重要组成部分，其运行的稳定与否直接关系着通信网络的畅通和安全，因此建立完善的电源维护体系刻不容缓。 目前，基站电源配套的蓄电池大多是先进的阀控式密封铅酸蓄电池，这种电池的每节单体电压一般有２Ｖ、６Ｖ和１２Ｖ三种，在使用时将多节单体串连，组成４８Ｖ的蓄电池组。在对电源系统可靠性要求较高的场合，一般采用两组蓄电池并联运行的方式 -The base station power supply daily maintenance and ma
REAAL
- real-time 3D pointing gesture recognition algorithm for natural human-robot interaction (HRI). The recognition errors in previous pointing gesture recognition algorithms are mainly caused by the low performance of the hands tracking module an
0824799186
- book to learn abt distribution system reliability
Power-system-risk-assessment
- 电力系统风险评估方法和应用实例研究,介绍一种新的可用于电力系统规划、设计、运行及维护领域风险评估的方法。该方法强调工程应 用, 探讨电力系统的实际问题。根据规划、运行、维修和资产管理方面的不同要求, 发展特定的概念、针 对性的方法和实施步骤, 如提出元件老化失效模型、共因停运的分离模型及元件组停运模型等新概念。通 过对加拿大某城市电力系统扩建规划实例的分析, 说明如何进行具体工程的可靠性概率评估, 以达到资源 的最佳配置, 使系统风险保持在目标水平。 -Power syste
pfldnet05-v2-1
- 基于udp的可靠传输，在udp的基础上实现可靠传输，本ppt介绍协议的数据结构以及实现机制，如何确保可靠性-Achieve reliable transmission, on the basis of the udp udp-based reliable transmission of the ppt introduced data structure as well as the implementation mechanism of the protocol, how to ensure t
STC89C51RC
- STC89系列单片机高速，高可靠性，提高的是性能，降低的是成本-STC89 Series single-chip high-speed, high-reliability, increased performance, reduced costs
Reliability-based-Robust-Design
- Reliability and robust design optimization, 可靠性分析，与鲁棒性分析，设计优化-Reliability and robust design optimization
Mil-Hdbk-338B
- ELECTRONIC RELIABILITY DESIGN HANDBOOK
Doc_FMX_0911_VA
- With many peripheral units, FMX enables the network operator to deliver all services directly to the end user : digital and analog leased line services, PSTN and ISDN services.-Multiplexing, drop/insert and cross-connect functions Wide range of a
Lenovo-R680G7-users-manua
- 联想万全R680G7服务器系统用户手册，本书将简要介绍万全R680 G7服务器的产品特色、系统规格及功能特性，以使您对于 该服务器使用有一个了解。 产品概述 万全R680 G7是一款4U机架式服务器，它采用了Intel Xeon 7500系列兼容Intel Xeon 6500系列处理器（Nehalem-EX）与Intel Xeon E7 系列处理器（Westmere-EX）和Intel Boxboro-EX IOH+ ICH10R芯片组，具有强大的数据处理能力和良好的扩展性，是一
Failure-Mode-and-Reliability
- 结构系统失效模式可靠性Monte-Carlo法 结构系统失效模式研究与可靠性分析-Structural system reliability failure modes Monte-Carlo method structural system reliability analysis and failure mode study
Repairable-Mechanical-System-
- 可靠性可修复性数值积分Matlab 马尔科夫过程 基于马尔科夫过程的可修复机械系统可靠性分析-Repair of mechanical systems based on Markov process reliability analysis of the reliability of the numerical integration of Matlab repairable Markov process