Subject Datasheet
Download PDFBudapest University of Technology and Economics | |
Faculty of Transportation Engineering and Vehicle Engineering |
1. Subject name | Vehicle system dynamics I. | ||||
2. Subject name in Hungarian | Járműrendszerdinamika I. | ||||
3. Code | BMEKOVJD007 | 4. Evaluation type | exam grade | 5. Credits | 4 |
6. Weekly contact hours | 2 (0) Lecture | 0 (0) Practice | 0 (0) Lab | ||
7. Curriculum | PhD Programme |
8. Role | Basic course |
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9. Working hours for fulfilling the requirements of the subject | 120 | ||||
Contact hours | 28 | Preparation for seminars | 30 | Homework | 0 |
Reading written materials | 30 | Midterm preparation | 0 | Exam preparation | 32 |
10. Department | Department of Aeronautics and Naval Architectures | ||||
11. Responsible lecturer | Dr. Zobory István | ||||
12. Lecturers | Dr. Zobory István | ||||
13. Prerequisites | |||||
14. Description of lectures | |||||
Investigation method used for treating the problems of system dynamics. System identification via the least-squares’ method. Characterisation of mechanical systems by means of logical flow-charts. Logical flow-chart of vibration system excited by kinematical load or force load. Logical flow chart of a block braked vehicle wheel taking into consideration the tribological characteristics of the sliding friction and the rolling contact. Flow chart for the starting process of a vehicle drive system. Dynamical model of the speed regulator system for a Diesel-engine. Simplified flow-chart of the engine – regulator system. Construction of the system equations of the regulator taking into consideration an ideal engine, sliding friction as well as a hydraulic amplifier. Representation of dynamical systems by structure graph. Analogies between mechanical and electric systems. Description of the node and loop equations of dynamical networks. Elementary relations for the source-free bows. Mechanical impedance. Examples for the construction of structure graphs of excited and damped vibratory systems in the presence of complex valued periodic and non-periodic excitations. Representation of dynamical systems by signal flow graph. Construction of the motion equations of lumped parameter dynamical systems by synthetic and analytic methods. Lagrangean equations of second kind. The general theory of linear dynamical systems. System description in the time domain: the weighting function and the transition function. Treating of the systems with excitation: the convolution integral and the Duhamel-integral. System description in the frequency domain. The complex frequency function. Analysis of the reponse of linear systems excited by periodic, non-periodic or in 2nd order weakly stationary random excitations. Analysis of the outputs in the case of MIMO system. The coherency function and its applications. | |||||
15. Description of practices | |||||
16. Description of labortory practices | |||||
17. Learning outcomes | |||||
A. Knowledge
B. Skills
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18. Requirements, way to determine a grade (obtain a signature) | |||||
Regular participation at the lectures and written exam. | |||||
19. Opportunity for repeat/retake and delayed completion | |||||
According to the TVSZ | |||||
20. Learning materials | |||||
1. Zobory, I.: Járműrendszerdinamika I. Kézirat. BME Vasúti Járművek és Járműrendszeranalízis Tanszék. Budapest, 2011. 2. Brown, F.T.: Engineering System Dynamics. Taylor & Francis, Boca Raton, London, New-York, 2007 |
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Effective date | 27 November 2019 | This Subject Datasheet is valid for | Inactive courses |