CAJ | 학술논문

设计了一种基于气压传感器 BMP085的高度测量系统。该系统以 STM32F103RCT6嵌入式芯片为主控制器，采用 I2C 硬件接口的方式读取 BMP085测量的气压值，并用温度值对气压值进行补偿，然后根据大气压强与海拔高度的关系，利用线性插值法计算绝对高度，进而获取相对高度。实验结果表明，该系统测量的相对高度误差为0.4 m，能够达到高精度的要求。
설계료일충기우기압전감기 BMP085적고도측량계통。해계통이 STM32F103RCT6감입식심편위주공제기，채용 I2C 경건접구적방식독취 BMP085측량적기압치，병용온도치대기압치진행보상，연후근거대기압강여해발고도적관계，이용선성삽치법계산절대고도，진이획취상대고도。실험결과표명，해계통측량적상대고도오차위0.4 m，능구체도고정도적요구。
This paper designs a kind of height measurement system based on BMP085 pressure sensor . With STM32F103RCT6 embedded chip as the main controller for the system , use the way of I 2C hardware interface to read the pressure data that the BMP085 measures , and do compensation to the pressure data with the temperature data . Then adopt linear interpolation method to calculate the absolute height based on the relationship of atmospheric pressure and altitude . Thereby acquire the relative height . The experimental result shows that the relative height measurement error of this system is 0 . 4 m , thus can achieve high precision re-quirement .