REDUCTION OF FORE-AFT VIBRATION TO TRUCK'S DRIVER BY TUNNING THE SEAT BACKREST

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MASIH TEHRANI M.; YAHYAEI R.

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Paper Information

Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2017 | Volume:7 | Issue:3 Page(s): 29-39

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Title

REDUCTION OF FORE-AFT VIBRATION TO TRUCK'S DRIVER BY TUNNING THE SEAT BACKREST

Author(s)

MASIH TEHRANI M. | YAHYAEI R. | Issue Writer Certificate

Keywords

TUNABLE SEAT BACKRESTQ1

RIDE COMFORTQ1

VIBRATION TRANSMISSIBILITY REDUCTIONQ1

HUMAN BODY FORE-AND-AFT VIBRATION MODELINGQ1

Abstract

In this paper, a truck seat backrest is proposed which can be tuned the backrest stiffness (using a special air bag) and torsional backrest stiffness with respect to the driver specification. This driver based tuning can reduce the fore-aft vibration of the human body. The coefficients of the backrest stiffness and the torsional backrest stiffness are optimized by full searching method in the proper intervals. For optimization cost function calculation, the fore-aft vibration transmissibility function in the range of 0.1 to 20 Hz are determined in ADAMS/ Vibration using ADAMS/ Insight toolkit. The root mean square of vibration transmissibility function is weighted using a frequency filter by MATLAB software. The frequency filter is introduced in ISO 2631-1: 1997 standard for the fore- aft vibration of a seated human body. This weighted RMS is assigned as the cost function of the stiffness optimization. The human body and truck seat model is augmented in ADAMS/Truck on a full truck model. As a case study, the truck simulation results are compared for a conventional seat and an optimized seat in a section of a garbagetruck driving cycle, when the driver's weight is 73 kg. The optimized seat backrest has 35% lower fore and aft vibration RMS than the conventional truck seat. Then this Procedure is Repeated for drivers have 40 kg and 100 kg Mass.

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APA: Copy

MASIH TEHRANI, M., & YAHYAEI, R.. (2017). REDUCTION OF FORE-AFT VIBRATION TO TRUCK'S DRIVER BY TUNNING THE SEAT BACKREST. JOURNAL OF SOLID AND FLUID MECHANICS, 7(3 ), 29-39. SID. https://sid.ir/paper/212815/en

Vancouver: Copy

MASIH TEHRANI M., YAHYAEI R.. REDUCTION OF FORE-AFT VIBRATION TO TRUCK'S DRIVER BY TUNNING THE SEAT BACKREST. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2017;7(3 ):29-39. Available from: https://sid.ir/paper/212815/en

IEEE: Copy

M. MASIH TEHRANI, and R. YAHYAEI, “REDUCTION OF FORE-AFT VIBRATION TO TRUCK'S DRIVER BY TUNNING THE SEAT BACKREST,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 7, no. 3 , pp. 29–39, 2017, [Online]. Available: https://sid.ir/paper/212815/en

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