本文使用香港科技大学的imu_utils方差工具标定,首先将INDEMIND双目惯性模组静止放置三个小时。然后采集IMU数据,生成Allan方差数据,由图分析得到加速度和角速度的高斯白噪声和随机游走Bias误差。
系统 | 版本 |
---|---|
ubuntu | 18.04 |
OpenCV | 3.4.13 |
Eigen | 3.2.10 |
Pangolin | 0.5 |
mkdir -p ~/imu_catkin_ws/src
cd ~/imu_catkin_ws/src
catkin_init_workspace
cd ~/imu_catkin_ws
catkin_make
source ~/imu_catkin_ws/devel/setup.bash
cd ~/imu_catkin_ws/
git clone https://github.com/gaowenliang/code_utils.git
sudo apt-get install libdw-dev
在code_utils下面找到sumpixel_test.cpp,修改
#include "backward.hpp"
为#include “code_utils/backward.hpp”
cd ~/imu_catkin_ws/
catkin_make
cd ~/catkin_ws/src
git clone https://github.com/gaowenliang/imu_utils.git
cd~/catkin_ws/
catkin_make
source ~/catkin_ws/devel/setup.bash