Lecture 1: Input/Output and State-Space Models This lecture presents some basic definitions and simple examples on nonlinear dynam

一、基本要求:了解键、花键结合的种 类、特点及形位公差 二、掌握键、花键结合的精度设计 重点难点:键、花键结合的精度设计

1、滚动轴承的分类; 2、滚动轴承的精度等级; 3、滚动轴承的内、外径公差带的特点; 4、滚动轴承的配合的选择;

主要内容： 1、螺纹螺纹的种类和使用要求； 2、普通螺纹的主要几何参数； 3、螺纹几何参数偏差对互换性的影响； 4、普通螺纹的精度设计；

◼公差与配合的基本术语及定义； ◼公差与配合的国家标准； ◼公差与配合的选用。 1.1 概述 1.2 公差与配合的基本术语及定义 1.3 公差与配合国家标准 1.4 国家标准规定的公差带与配合 1.5 公差与配合选用 1.6 一般公差 线性尺寸的未注公差

Outline Launch systems characteristics Launch systems selection process Spacecraft design envelope environments

Overview lecture Space Systems Engineering presented by: Prof David Miller prepared by: Olivier de Weck Revised and augmented by: Soon-Jo Chung Chart: 1 16.684 Space Systems Product Development February 13, 2001

ARGOS Overview Angular Resolution at 2=550 nm: 5 arcsec Wavelength Regime 400-700 nm FOr (Field-of-Regard): 120(full cone)

Goal: Give necessary optics background to tackle a space mission, which includes an optical payload Light .Interaction of light w/environment o Optical design fundamentals Optical performance considerations .Telescope types and CCd design interferometer types

OVERVIEW OF THE EFFECTS OF THE SPACE ENVIRONMENT Outgassing in near vacuum Atmospheric drag Chemical reactions Plasma-induced charging Radiation damage of microcircuits, solar arrays, and sensors single event upsets in digital devices Hyper-velocity impacts