三參數(shù)人體應激檢測系統(tǒng)研究
[Abstract]:Stress (stress) research has taken a prominent place in the field of human health and disease. The long-term stress will have a negative impact on the health of this kind of people, especially in some high-risk operations, the high intensity of stress will affect the normal work of operators, resulting in the increase of operational errors, frequent accidents. This makes people eager to understand the nature of stress and explore scientific methods to detect stress and effective measures to overcome it. On the basis of consulting the domestic and foreign literatures of stress research, this paper summarizes the influence of stress on human body, and explores and determines the physiological parameters of human body used for stress detection. A monitoring system for monitoring the stress state of high risk workers was developed, and the preliminary experimental verification and analysis were carried out. The main research contents of this paper are as follows: (1) by analyzing the fundamental wave energy of human pulse wave, it is found that the fundamental wave energy decreases generally when the human body is under stress; Based on the analysis of physiological changes of body surface temperature and skin conductance, three physiological parameters of human body stress detection system are determined, and the overall design framework of three-parameter human body stress detection system is given. (2) according to the portable and real-time requirements of high risk workers' stress detection, the hardware system of the three-parameter human stress detection system and the upper computer software system are designed and developed to detect the pulse wave when the human body is under stress. Changes in body surface temperature and skin conductance. (3) the application test of the designed system is carried out, and the results show that the three biosensors can correctly detect the pulse wave, body surface temperature and skin conductance. At the same time, it can detect the changes of three parameters of human body under stress. The three-parameter human stress detection system designed in this paper can be used to monitor the stress changes of high risk workers. Finally, the main work of this paper is summarized, and the development of the system and the research and analysis of stress state based on human physiological information are prospected.
【學位授予單位】:浙江大學
【學位級別】:碩士
【學位授予年份】:2012
【分類號】:R318.0
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