AT6604 Vehicle Dynamics | Important Questions | Question bank | Syllabus | Model and Previous Question papers | Download PDF

AT6604 Vehicle Dynamics

Subject Informations :

University        :  Anna University
Department     :  B.E. AUTOMOBILE ENGINEERING
Semester          :  06 th sem
Year                  :  03 rd year
Regulation       :  R2013
Subject Code   :  AT6604
Subject Name  :  Vehicle Dynamics

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AT6604 Vehicle Dynamics | Important  Questions

AT6604 VEHICLE DYNAMICS – SYLLABUS – R- 2013

OBJECTIVES

 To know about the application of basic mechanics principles for dynamic analysis of vehicles.

UNIT I CONCEPT OF VIBRATION

Definitions, Modeling and Simulation, Global and Vehicle Coordinate System, Free, Forced,
Undamped and Damped Vibration, Response Analysis of Single DOF, Two DOF, Multi DOF,
Magnification factor, Transmissibility, Vibration absorber, Vibration measuring instruments, Torsional vibration, Critical speed.

UNIT II TIRES

Tire forces and moments, Tire structure, Longitudinal and Lateral force at various slip angles, rolling
resistance, Tractive and cornering property of tire. Performance of tire on wet surface. Ride property
of tires. Magic formulae tire model, Estimation of tire road friction. Test on Various road surfaces. Tire vibration.

UNIT III VERTICAL DYNAMICS

Human response to vibration, Sources of Vibration. Design and analysis of Passive, Semi-active and
Active suspension using Quarter car, half car and full car model. Influence of suspension stiffness,
suspension damping, and tire stiffness. Control law for LQR, H-Infinite, Skyhook damping. Air
suspension system and their properties.

UNIT IV LONGITUDINAL DYNAMICS AND CONTROL

Aerodynamic forces and moments. Equation of motion. Tire forces, rolling resistance, Load
distribution for three wheeler and four wheeler. Calculation of Maximum acceleration, Reaction forces for Different drives. Braking and Driving torque. Prediction of Vehicle performance. ABS, stability control, Traction control.

UNIT V LATERAL DYNAMICS

Steady state handling characteristics. Steady state response to steering input. Testing of handling
characteristics. Transient response characteristics, Direction control of vehicles. Roll center, Roll axis, Vehicle under side forces. Stability of vehicle on banked road, during turn. Effect of suspension on cornering.

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