Design Of Sitting Body Pressure Acquisition Svstem For Sedentary Crowd

With the development of our national economy and the increase of social pressure,the proportion of working time to people's living is increasing year by year,which directly leads to the continuous expansion of the number of sedentary population in china.A large number of studies have shown that a sedentary lifestyle has become a global public health problem,which has a negative impact on human life.Studies have shown that unhealthy sitting posture can lead to many diseases.When people sitting for a long time,the unbalanced force may lead to some diseases such as sitting sores and lumbar disc herniation,lumbar spine injury etc..Therefore,it is necessary to study the pressure distribution in the sitting position.Intelligent seat and mobile application designed for sedentary people is an effective tool for the prevention of these diseases,the pressure center of the body posture can be detected and analyzed,in order to guide people to the correct posture,help prevent disease due to unbalanced posture.The system is composed of three parts:pressure data acquisition module,data receiving and processing module,data storage and analysis module.This paper expounds the theory of sitting posture,explains the mechanism causing pathological effect and psychological effects of sedentary,and then makes a literature review,describes the research status of the pressure distribution of sitting posture and cushion design,as a standard reference for subsequent design.This paper gives definition and classification of sedentary population,puts forward the scheme of the cushion and mobile application for the sedentary people,and focuses on the function,design and implementation of each module.Finally,this paper shows the hard and soft system,and tests normal subjects using the system.We get distinct and reasonable results.The analysis and experimental results show that the design of the system is reasonable and feasible,and can realize the dynamic and real-time measurement of the pressure center in the sitting posture,and cumulative effect calculation.