With the continuous improvement of living standards, passengers' requirements for ride comfort are increasing, and accurate human vibration comfort evaluation methods are very important to effectively improve ride comfort. At present, the human vibration comfort evaluation method mainly focuses on the analysis of the external vibration response signal of the human body, ignoring the response of the human body itself to the vibration stimulus, and when stimulated by the external vibration, each organ will produce a certain forced movement. Therefore, this paper attempts to explore the deep causes of human discomfort and proposes a method for evaluating human vibration comfort based on EEG signals.
At present, the design of the vehicle guided by the vertical vibration characteristics of the human body is mainly based on the ISO5982-2001 standard, but the standard is mainly based on the body structure characteristics of Europeans and Americans, and is not necessarily suitable for the physique of Chinese. In order to better guide the design of Chinese vehicles, this paper built a test bench for the study of vertical vibration characteristics of the human body and conducted relevant experiments on 20 volunteers. The relevant data of 20 volunteers such as apparent mass, drive point mechanical impedance and seat-head transfer function were obtained through the experiment, and compared with the international standard ISO5982-2001. It is found that the vertical vibration characteristics of the human body under the standard sitting conditions of the Chinese are quite different from the ISO5982-2001 standard, so the relevant indicators of the ISO5982-2001 standard on the vertical vibration characteristics of the human body under the standard sitting conditions are not applicable to the design of guiding Chinese vehicles.
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