[物理]直升机飞行力学chapter1.pptVIP

Instructor Dr. Renliang Chen A18-204 Phone: (025E-mail: crlae@nuaa.edu.cn Time and Place Time: Tuesday 6:30-9:30 PM Classroom: A18-112 Prerequisites Theoretical Mechanics: Helicopter Aerodynamics Structure of Helicopter Automatic Control Theory Dynamics Syllabus Introduction Helicopter Control Rotor Blade flapping motion Helicopter Trim in Level Flight Helicopter Stability Helicopter Response to Pilot Controls Introduction to Flying Qualities Requirements Stressing on the physical meanings and basic concepts Understanding and gripping the analysis methods Being able to conduct the basic Calculation Grade 50% Routine time 50% Final Exam Textbook Bramwell, “Helicopter Dynamics”, Arnold, 2000. Useful References Gao Zheng and Chen Renliang “Helicopter Flight Dynamics”, Science Press, 2003. Padfield, “helicopter Flight Dynamics: The Theory and Application of Flying Qualities and Simulation Modeling”, AIAA Education Series, 1995. R. Prouty, “Helicopter Performance, Stability and control”, PWS Publishers, 1986. Johnson, “Helicopter Theory”, Princeton University Press, 1980. Introduction Definition of helicopter flight dynamics Characteristics of helicopter flight Scopes of helicopter flight dynamics Methodologies Objectives of helicopter flight dynamics Definition of Helicopter Flight Dynamics Characteristics of Helicopter Flight Characteristics of Helicopter Flight Scope of Helicopter Flight Dynamics Methodologies Theoretical analysis Computer simulation Wind tunnel test with experimental model Flight test Objectives Study and improve helicopter trim, stability and control. Guide helicopter design Aerodynamic and inertial distributions Primary design parameter determination (rotor, tail rotor, controls and empennage) Design of SACS and control laws Introduction of hinges to rotor system Flap hinge Lag or drag hinge feathering Coordinate System Gravity Axes Body Axes Wind Axes Hub Axes Definition of Angles Definition of Angles Transformation fro