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Virtual Evaluation of Seat Shake Performance Using Four Poster Shaker
Technical Paper
2021-01-0325
ISSN: 0148-7191, e-ISSN: 2688-3627
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SAE WCX Digital Summit
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English
Abstract
For the designing of world class vehicles, ride comfort is one of the criteria that vehicle manufacturers are constantly trying to improve. The automotive seating system is an important sub-system in a vehicle that contributes to the ride comfort of the vehicle occupants. Seat vibrations are perceived by the occupants and make them feel uncomfortable during driving conditions. These vibrations are majorly transferred from engine and road excitation loads. For road excitation loads, the road testing may not be accurately repeatable, and measurements based on four post shakers are used to assess the discomfort. The major challenges for the vehicle manufactures is the availability of physical prototypes at an early stage of vehicle development and any changes in the design due to test validation leads to huge cost and time. This creates a necessity to develop a virtual methodology to predict the seat shake performance at an early stage of the program without the need of prototype vehicles. This paper presents the process used for prediction of seat shake performance by replicating the physical four post shaker excitation using a multi-body simulation tool. The virtual seat shake responses are validated with the physical test results. The results show good agreement between virtual prediction and physical measurement. This approach gives an opportunity to evaluate different seat design options and select the best design which gives better ride comfort to the occupants. This virtual process reduces the number of physical tests, time and cost, and yet will arrive at best seat design.
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Kumar, S., Hol, P., Venkatesan, D., and Davis, P., "Virtual Evaluation of Seat Shake Performance Using Four Poster Shaker," SAE Technical Paper 2021-01-0325, 2021, https://doi.org/10.4271/2021-01-0325.Data Sets - Support Documents
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References
- Wang , X. Vehicle Noise and Vibration Refinement Elsevier Science Book, Woodhead Publishing in Mechanical Engineering 2010 14 9781845698041
- Janssens , K. , Aarnoutse , P. , Gajdatsy , P. , Britte , L. et al. Time-Domain Source Contribution Analysis Method for In-Room Pass-By Noise SAE Technical Paper 2011-01-1609 2011 https://doi.org/10.4271/2011-01-1609
- Billah , K. and Scanlan , R. Resonance, Tacoma Narrows Bridge Failure, and Undergraduate Physics Textbooks American Journal of Physics 59 2 118 124 1991
- Basilio , J. , Telles , R. , Francisco , J.S. Modeling and Optimizing a Vehicle Suspension Considering User Safety and Comfort in an Irregular Road 2019
- Varterasian , J. On Measuring Automobile Seat Ride Comfort SAE Technical Paper 820309 1982 https://doi.org/10.4271/820309
- Yang , X. and Medepalli , S. Sensitivities of Suspension Bushings on Vehicle Impact Harshness Performances SAE Technical Paper 2005-01-0827 2005 https://doi.org/10.4271/2005-01-0827
- R , P. and M.R. , S. Measurement of Road Profile and Study its Effect on Vehicle Durability and Ride SAE Technical Paper 2009-26-0070 2009 https://doi.org/10.4271/2009-26-0070
- Kim , T. , Cho , Y. , Yoon , Y. , and Park , S. Dynamic Ride Quality Investigation and DB of Ride Values for Passenger and RV Cars SAE Technical Paper 2001-01-0384 2001 https://doi.org/10.4271/2001-01-0384
- Soliman , A. , Moustafa , S. , and Shogae , A. Parameters Affecting Vehicle Ride Comfort Using Half Vehicle Model SAE Technical Paper 2008-01-1146 2008 https://doi.org/10.4271/2008-01-1146
- Li , B. , Yang , X. , Zhang , Y. , and Yang , J. In-Plane Flexible Ring Tire Model Development for Ride Comfort & Braking/Driving Performance Analysis under Straight-Line Driving Condition SAE Technical Paper 2015-01-0628 2015 https://doi.org/10.4271/2015-01-0628
- Hegazy , S. and Sandu , C. Vehicle Ride Comfort and Stability Performance Evaluation SAE Technical Paper 2009-01-2859 2009 https://doi.org/10.4271/2009-01-2859
- Avutapalli , B. , Vallurupalli , S. , and Keshtkar , H. Road-Shake and Impact Harshness (NVH) Response Multi-Function Optimization for a Body-on-Frame Vehicle SAE Technical Paper 2003-01-1713 2003 https://doi.org/10.4271/2003-01-1713
- http://www.cfm-schiller.de/en/test-rig-technology/products/components-for-467-poster-systems/
- Mrad , F.L. , Machado , D.M.L. , Horta , G.J.C. , Sad , A.U. Optimization of the Vibrational Comfort of Passenger Vehicles through Improvement of Suspension and Engine Rubber Mounting Setups Shock and Vibration 2018 9 2018 https://doi.org/10.1155/2018/9861052
- Wu , X. , Rakheja , S. , and Boileau , P. Dynamic Performance of Suspension Seats under Vehicular Vibration and Shock Excitations SAE Technical Paper 1999-01-1304 1999 https://doi.org/10.4271/1999-01-1304