Constructivism are based on the idea that, unlike a computer disk or an empty container, students do not wait passively to be filled up with knowledge. Rather, students actively build, or construct, their own knowledge.Teachers cannot entirely control their students’ learning, expert teachers can do much to facilitate students’ own active learning processes

Overview Ground Systems Support the space segment Command and Control Monitor spacecraft health Track Calculate spacecraft attitude

Electrical Power System Power Source Energy Storage Power Distribution Power Regulation and Control

Lecture 1a: Mission Requirements for Space Propulsion Missions Requiring High Thrust (chemical thrusters) Planetary takeoff (launch rockets) Planetary landing (Viking, Lunar Lander…) Apogee kick (GTO-GEO transfer motors) Perigee kick (GTO to escape) Rapid maneuvering (proximity ops., spacecraft attitude control)

3.1 机械人系统的构成 3.2 传递函数和方框图 3.3 PID控制 3.4 机械手的位置控制 3.5 机械手的力控制 3.6 其他控制方式简介

6.1 为什么要移动 6.2 移动环境及与其相适应的机构 6.3 移动的检测 6.4 引导和控制 6.5 多机器人控制

Mark J. Roe A strong theory has emerged in recent years that the quality of corporate lane primaritly determines whether securities markets arise, whetl from control, and whether the modern corporation can prosper. nwehy we see weak corporate structures in to explain why concentrated ownershippe

Outline Segmented Reporting and Responsibility Accounting System Cost- Volume-Profit- Analysis Budgeting and Budgetary Control Standard Costs and Variance Analysis Managerial Decision Making

Learning objectives 1. Describe the principles of properly designed accounting systems. 2. Describe and illustrate the principles of internal control of accounting information systems. 3. Describe and illustrate the use oft special journals and subsidiary ledgers to process accounting data more efficiently

Variables 　 Independent Variable: a quantity that you will vary and control E. G. angle of attack, chamber pressure or temperature, coefficient in algorithm, luminosity, gain O Parameter: a quantity that is set or otherwise determined