Ubuntu18.0 PX4+ROS+MAVROS+Gazebo仿真环境搭建

PX4：更新git,连接VPN下载安装， https://docs.px4.io/master/en/dev_setup/building_px4.html

下载PX4固件，编译并进行简单仿真。https://docs.px4.io/master/en/dev_setup/building_px4.html

ROS+MAVROS+Gazebo仿真环境

https://blog.csdn.net/qq_45067735/article/details/107303796

官网ROS：http://wiki.ros.org/melodic/Installation/Ubuntu

官网MAVROS：https://docs.px4.io/master/en/ros/mavros_installation.html

https://docs.px4.io/master/en/ros/ros1.html 完成单机 px4 + ros + mavros + gazebo的仿真。根据示例了解各个部分之间的关系，了解mavros fcu_url, launch文件内容。