可控性的基本概念是指我们能够利用输入u()使状态x()达到状 态空间的任意点,主要问题是该系统的结构能否使这一点成为可能 让我们看一些简单的例子来激发我们的讨论 飞行器直线飞行的例子 我们进行系统建模,选择沿路径飞行的距离作为状态x,其导数 (沿路径的速度)为x2,输入是沿此路径的加速度

Gordon mckinzie Manager, New Aircraft Development United airlines I joined United Airlines in 1967 and am presently Manager of New Aircraft Development, a post I have held since 1987. Assignments at United have included

Commander Paul A. Sohl, USN CDR Sohl was born in Waterloo, Iowa and graduated from Rock Island High School, Rock Island, Illinois in May 1981. After graduating from the Massachusetts Institute of Technology in June 1985 with a Bachelor of Science degree in Aeronautical

Major US Airline Year 2000 Operating Costs Cost per ASM=9. Aircraft Fuel 13% Engine Maint. Material &OSR 2% Engine Ownership Salaries

SHUTTLE HISTORY 1952 FULLY REUSABLE LAUNCH VEHICLE CONCEPT DISCUSSED 1962 FULLY REUSABLE VEHICLE SERIOUSLY CONSIDERED AIR FORCE STUDIED PROJECT DYNASOAR. WHICH WAS CANCELLED IN1969 1969 NASA ADOPTED THE IDEA OF A FULLY REUSABLE SPACE SHIP

Systems Engineering and Lean Thinking Systems Engineering grew out of the space industry in response to the need to deliver technically complex systems that worked flawlessly upon first use SE has emphasized technical performance and risk management of complex systems

Today's topics Specific fuel consumption and breguet range equation Transonic aerodynamic considerations Aircraft Performance Aircraft turning Energy analysis Operating envelope Deep dive of other performance topics for jet transport

Overview of environmental effects of aircraft Aircraft noise Impacts and regulatory issues Technology trends Aircraft pollutant emissions Impacts and regulatory issues Technology and emissions trends Summary and references

AARON COHEN Professor Emeritus of Mechanical Engineering Texas A&M University Professor Aaron Cohen received a B.S. degree in Mechanical Engineering from Texas A&M University in 1952 and an M.S. degree in Applied Mathematics from Stevens

《工程科学学报》：仿生扑翼飞行器风洞实验研究进展（北京科技大学）