Based On The Inertial Sensor MPU6050 Pedomet Design

With the improvement of living standard and medical level in daily life,the problems of population aging and obesity have become the most prominent social problems in the world today.The complications such as cardiovascular and cerebrovascular diseases,Health threat,the demand for medical resources is also increasing.Pedometer as a pace of detection equipment,to some extent,can reflect the health of the human body through the pedometer to monitor the movement of the situation,not only can enhance people's understanding of their own health,prevent problems,but also can make people develop a reasonable of the campaign plan to improve physical fitness.With the rapid development of micro-electromechanical systems,pedometer design continues to miniaturization,easy to carry at the same time be able to attach more monitoring functions,so that more accurate and comprehensive monitoring data.In view of people's demand for motion detection,this paper designed and implemented a set of pedometer system.The design of the pedometer from the hardware and software two aspects.On the basis of the step rule,software assigns different weights to the data with different properties as the effective step,and then uses the multi-sensors to complete the acquisition of the motion parameters during the motion,increases the data source to describe the action more accurately;The number of steps is determined by data fusion.The main contents of this paper are as follows:(1)According to the analysis of the pace of the human body and the needs of pedometer hardware designed the overall structure of the pedometer system.(2)Design and implementation of the data acquisition hardware device with the main controller as the core.The data sources are mainly inertial sensors,and the magnetic field sensors are secondary.(3)In the hardware circuit welding debugging based on the hardware device programming,the completion of the master,sensor,data acquisition and transmission process configuration,set the step-by-step rules and development of PC interface step display interface.(4)Using the device to measure the step effect,through the pedometer data on the movement of the process were analyzed,the results show that the pedometer can accurately measure the number of steps.