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一种计算机数控的医用呼吸模拟平台设计

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一种计算机数控的医用呼吸模拟平台设计
A Digital Control Simulation Platform for Medical Breathing Application
投稿时间:2018-10-20
DOI:10.15918/j.tbit1001-0645.2019.s1.026
中文关键词:数字化控制计算机辅助诊断呼吸运动呼吸模拟平台
English Keywords:digital control with computercomputer-aided diagnosisrespiratory motionrespiratory simulation platform
基金项目:国家自然科学基金资助项目(61601216);江西省自然科学基金资助项目(20151BAB215025);南昌航空大学创新创业教育课程培育项目(KCPY1735)
作者单位E-mail
邱志强南昌航空大学 信息工程学院, 江西, 南昌 330063
吴开志南昌航空大学 信息工程学院, 江西, 南昌 330063kaizhiwu@163.com
廖晶南昌航空大学 信息工程学院, 江西, 南昌 330063
代少飞南昌航空大学 信息工程学院, 江西, 南昌 330063
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中文摘要:
为了给呼吸补偿方法的验证提供数据,设计了一种计算机数字化控制的医用呼吸模拟平台.本文将拟合的呼吸运动曲线映射成三维运动坐标数据,以ATmega2560单片机为核心,采用42BYGH34两相步进电机设计了一种模拟人体呼吸运动的三维运动平台.该平台利用单片机解析来自上位机发送的三维运动曲线数据,然后转换成驱动信号并结合驱动芯片对两相步进电机进行驱动,进而带动与皮带相连夹具上体模的周期运动,从而模拟人体器官的运动.经测试,该运动平台性能稳定,可以为模拟呼吸运动数据的采集提供硬件平台.
English Summary:
In order to provide data for the validation of respiratory compensation method, a medical respiratory simulation platform with computer digital control was designed. In this paper, the fitting respiratory motion curve was mapped into three-dimensional coordinate data. Taking the ATmega2560 as the core, using the 42BYGH34 two-phase stepping motors, a three-dimensional motion platform was designed to simulate human respiratory movement. Firstly, the three-dimensional motion curve data sent from the host computer were analyzed by a single-chip microcomputer. And then the data were converted into a driving signal to drive the two-phase stepping motors with the driving chip, thereby drive the phantom on the fixture connected with the belt to do periodic motion, simulating the human body organ. The test results validate the stability and the reliability of the simulation platform. The simulation system can provide a platform for the collection of standard respiratory motion data.
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