SD2225 Ground Vehicle Dynamics, Basic Course 11.0 credits

Fordonsdynamik, allmän kurs

The course will consider vehicle dynamic properties and the analysis of the dynamics of subsystems in a vehicle.

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Course information

Content and learning outcomes

Course contents *

Vehicle dynamic characteristics. Coordinate systems and coordinate transformations. Comfort, handling, rollover. Modelling and derivation of equations of motion for vehicles driving straight ahead and during cornering. Force and road excitation. Stationary and non stationary driving. Frequency responses. Elastic elements of the wheel suspension, effective cornering stiffness, roll steer. Handling diagram. Nonlinear components and non dimensional equations of motion. Vehicle combinations and stability. Statistical methods.

Intended learning outcomes *

The over all goal of the course is to give the student a deeper knowledge about modelling, simulation, measurement and analysis of ground vehicles dynamic behaviour

Students graduating from the course should be able to:

  • describe the basic terms within vehicle dynamics
  • describe and use the coordinate transformations necessary for vehicle dynamic analysis
  • create simple models of vehicles for dynamic analysis
  • explain the assumptions/limitations of the created models
  • derive the equations of motion for vehicles in order to perform an analysis of the bounce and pitch motions that arise due to for example acceleration, braking and uneven road surfaces
  • derive the equations of motion for a vehicle during stationary and non-stationary cornering and to analyse the vehicle directional stability and roll behaviour
  • derive the effective cornering stiffness when considering the elastic elements in the wheel suspension and be able to analyse it’s effect on the dynamic characteristics of the vehicle
  • derive the equations of motion for a vehicle combinations and analyse it’s stability in the yaw direction
  • create handling diagrams and draw conclusions from them
  • create, performe and analyse a simple test plan for vehicle dynamic analysis by using statistical methods
  • explain how different changes of the construction of the vehicle affects the dynamical characteristics of a vehicle.
  • plan, carry out, evaluate and present a simple field test for vehicle dynamic analysis.
  • apply the gained knowledge on practical problems.

Course Disposition

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Literature and preparations

Specific prerequisites *

Documented knowledge in english corresponding to English B/ English 6, 23 university credits (hp) in the field of mechanics, 33 university credits (hp) in the filed of mathematics

Recommended prerequisites

  • Recommended knowledge: Basic knowledge in Control. Basic knowledge of Matlab or Simulink.

Equipment

No information inserted

Literature

Kompendium Fordonsdynamik.

Examination and completion

Grading scale *

A, B, C, D, E, FX, F

Examination *

  • TEN1 - Examination, 7.0 credits, Grading scale: A, B, C, D, E, FX, F
  • ÖVN1 - Assignments, 4.0 credits, Grading scale: P, F

Based on recommendation from KTH’s coordinator for disabilities, the examiner will decide how to adapt an examination for students with documented disability.

The examiner may apply another examination format when re-examining individual students.

Other requirements for final grade *

Written examination (TEN1; 7 university credits).

Approved exercises (ÖVN1; 4 university credits).

Opportunity to complete the requirements via supplementary examination

No information inserted

Opportunity to raise an approved grade via renewed examination

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Examiner

Jenny Jerrelind

Further information

Course web

Further information about the course can be found on the Course web at the link below. Information on the Course web will later be moved to this site.

Course web SD2225

Offered by

SCI/Aeronautical and Vehicle Engineering

Main field of study *

Mechanical Engineering

Education cycle *

Second cycle

Add-on studies

No information inserted

Ethical approach *

  • All members of a group are responsible for the group's work.
  • In any assessment, every student shall honestly disclose any help received and sources used.
  • In an oral assessment, every student shall be able to present and answer questions about the entire assignment and solution.

Supplementary information

Mandatory for the track, Road Vehicles.