作业-1 1.湿空气的组成成分有哪些?为什么要把含量很少的水蒸气作为一个重要的成分来考虑? 答:湿空气是由水蒸气及干空气组成的混合气体 湿空气中水蒸气的含量比较少,但是随季节 及地区的不同湿空气中水蒸气含量的变化却比较 大,而且其含量的变化引起湿空气干湿程度的改 变对人体感觉、工艺过程、产品质量和设备维护 等都会引起直接的影响,所以空调系统中要把含 量很少的水蒸气作为一个重要成分来考虑

本课程是电气学科大类平台的必修课程,适用于电气学科大类的电气工程及其 自动化、水利水电工程两个专业,为学科大类的主要技术基础课程。 理论课程教学为56学时/3.5学分;课程编码为800319采用英文原版教材、 双语授课

Module 1-2-Examples

9.1 Routh's Stability Criterion About Stability: (P145. Section 1) 9.1.1 Define on the Stability of Closed-loop System: When the transfer function of system is(s), the output

Module 8 System Type: Steady-State Error and Muriple Control (3 hours) Definition of the system type The kind of input of system How to identify steady-state error quickly · How to eliminate steady-state- error

Module 7 Higher -Order Systems (1 hour) TF in Evans or Bode form Approximate a higher order system with a first or second order one Effect of zeros and poles on the transient response Origins of zeros

Module 6 Second-Order System Disturbance Rejection and Rate Feedback I hour

Module 5 Second-Order System Time-Domain Response (2 hours) Ramp response Harmonic response Transient response as a function of the location of the poles

Second order systems systems described by a second order differential equation Second order systems contain two kinds of energy storage elements: Lump mass and spring

Module 3 First Order System (1 hours) First order systems .Time response of first order systems .Proportional feedback control of first order systems