. Bucket seat 4 had a higher resonant frequency on the road simulation than during the sine sweep evaluation.РSUMMARYРAs the need for dynamic seat testing is increasing it is ing increasingly necessary municate the results of frequency testing accurately. Each of the testing methods discussed; dynamic impact testing, modal analysis, sin sweep shaker table evaluation, and road data replication on the shaker table provide different information about the seating system being tested. It is necessary to understand the merits, as well as the limits, of each method paring data between methods. This paper has shown that determining an accurate frequency response model requires the synthesis of data from each of the testing methods to understand and optimize the characteristics of a seating system.
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