Research And Design Of Shooting Assistant Training System Based On Multi-sensor

Shooting is a professional and highly technical fine movement item.During the training,the details of the strength of the gun-holding part of the hand,the stability of the body posture and the adjustment of the current physiological parameters will directly affect the shooting state and the final result.At present,most of China's armed forces,police schools and sports venues have traditional shooting teaching scenes with backward equipment.They mainly rely on the guidance of coaches and the method of video playback to help students find and strengthen the shooting sense in mass training and mechanical adaptation,and learn to control and adjust their personal status.However,it is relatively difficult for the beginner to master the shooting skills only by the traditional qualitative perception method.In recent years,the rapid development of flexible materials,modern sensors and integrated circuits has brought different forms of application innovation to portable wearable devices.Aiming at the shortcomings existing in the current shooting training and teaching scenarios,this paper attempts to design a low-power,miniaturized and easy-to-assemble multi-sensor shooting auxiliary system from the three aspects of hardware,embedded software and mobile phone APP,so as to realize refined and data-based training and teaching.The system uses STM32F103C8T6 to control PVDF film sensor and MAX30120 module to monitor the hand pressure signal and the pulse wave signal of photoconductivity in real time;Signals are calculated and processed accordingly to obtain multi-channel pressure data and heart rate and blood oxygen parameters,Using Bluetooth 4.0 Module transmits data to mobile terminalare;Finally,through Android studio platform to develop a special APP software for the system,to achieve real-time storage and intuitive display of monitoring data.The system can record the process data of each training in real time,extract quantitative analysis indexes from it,establish the correlation comparison between sensor monitoring information and training results,and facilitate the systematic,accurate and intelligent shooting training teaching.This system breaks through the traditional shooting training method,not only can help the initial trainees master the shooting skills quickly,but also can improve the teaching efficiency,save the ammunition cost,and has a certain practical value and application market.The test results of the preliminary simulation test show that the system can sense,store and display the force on each position of the hand,the heart rate and blood oxygen fluctuation of the training personnel in real time.The test results preliminarily prove the validity of the research and design in this paper.