Create dynamical effects on vehicle passengers

Assignment Help Mechanical Engineering

Reference no: EM132165033

Vibration and machine dynamics Assessment -

Project: Assessing quality of a suspension system

Background - Road unevenness can create dynamical effects on vehicle passengers thus reducing level of comfort and increasing health hazards. A major function of suspension systems is to absorb and dissipate these effects in a systematic and reliable fashion. However, over time, the performance of suspension systems can deteriorate due to various wear and tear effects. AS 2670.1-2001(+A1) is a good source of information on the health hazards passengers are subjected to as a result of body vibration over nominated periods of time. This is quantified by breaking down a measured acceleration signal to various harmonics.

Project description - Students need to enrol in teams of maximum 5 members using the link provided on Moodle. Teams are required to perform the following:

1. Collect acceleration data of a passenger car driving along a small section of a road of your choice (i.e.: Yankee Flat Road or Victoria Street, Ballarat East). Note that it is preferable that you can drive at a constant speed on that section of the road.

2. Determine using the qualitative method presented in the above Australian Standard (AS 2670.1-2001(+A1)), the max allowable driving time on a road of this quality.

3. Discuss the results reflecting on whether the outcome of question 2 above can be improved by modifying the car suspension components.

4. Present findings in a concise neatly typed report with graphs and references etc.

Reference no: EM132165033

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len2165033

11/13/2018 12:34:59 AM

Expected effort from team members - Making sure calculations comply with AS 2670.1-2001(+A1). Decisions on how to measure and collect the passenger acceleration signal. Decisions on where to place and how to fasten the measuring device to minimise noisy outcome. Data collection. Numerical manipulation of data. Utilise the Solve_Ride_Comfort_Example on Moodle for data manipulation. Results explanations, discussions and comments. Graphing. Writing up of report.

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