转速、电流双闭环控制的直流调速系统 是应用最广性能很好的直流调速系统。 本章着重阐明其控制规律、性能特点和 设计方法,是各种交、直流电力拖动自 动控制系统的重要基础。我们将重点学 习:

1.1 引言 1.2 自动控制的发展简史 1.3 控制工程实践 1.4 现代控制系统举例 1.5 自动装配和机器人 1.6 控制系统的未来发展 1.7 工程设计 1.8 控制系统设计 1.9 设计实例1：转台速度控制 设计实例2：磁盘驱动器读取系统

1.1 EDA技术的涵义 1.2 EDA技术的发展历程 1.3 EDA技术的主要内容 1.4 EDA软件系统的构成 1.5 EDA工具的发展趋势 1.6 EDA的工程设计流程 1.7 数字系统的设计 1.8 EDA技术的应用展望

本书在介绍污水处理工程设计、污水处理系统及其选择、污水处理工程的方案比较等基 本知识的基础上,结合应用实例,重点讲述了污水处理厂的设计、工程验收与运行管理,并 适当介绍了污水处理厂设计教学指南及参考资料

ESIGN METHODOLOGY III: RECYCLE STRUCTURE OF THE PROCESS goAL-- Determine alternate recycle structures for the process based on reactor operating requirements

MAJOR PROCESS TYPES CONTINUOUS STEADYSTATE- Used for world-scale production of commodity chemicals Large, centrally located plants BATCH Used for small-scale production of high value-added chemicals JIT MINIPLANT Used for on-site production of hazardous or difficult to transport chemicals Continuous Steady-State is the dominant process type

ENGINEERING ECONOMICS ESTIMATING THE PROFITABILITY OF A CHEMICAL PLANT Estimating Investment Estimating Cost of Production Profitability Evaluation Return on Investment (ROD) Payout time(Tpay) DCF Rate of Return(DCFROR) Transfer Price

ENGINEERING ECONOMICS I TO INVEST, OR NOT TO INVEST, THAT IS THE QUESTION. (With apologies to William Shakespeare) Given one or more potential projects, how do we decide in which to invest, if any? What criteria do we use to evaluate potential projects?

CONTENTS INTRODUCTION A. Types of Material Balance Problems B. Historical Perspective CONSERVATION OF MASS A. Control volumes B. Holdup or Inventor C. Material Balance Basis D. Material balances I. PROCESSES The Concept of a process Basic processing functions C. Unit Operatic Modes of process Operations

CONCEPTUAL DESIGN OF SIMPLE DISTILLATION COLUMNS Goals: Determine feasibility of proposed separation Estimate tray and reflux requirements Estimate column diameter and height