FG demo

Environment

• windows 10
• FlightGear 2020.3.6
• python 3.8.3
• pandas 0.23.4
• numpy 1.14.2
• tensorflow 1.12.0
• geographiclib 1.49

Install

1. Install Anaconda in your compute, you can get it here. you need a python3 version.

2. add path\of\your\Anaconda\ andpath\of\you\Anaconda\Scripts to your system environment

3. run the following command in your Windows PowerShell:

   conda install numpy
   conda install pandas
   conda install tensorflow
   pip install geographiclib

4. Install FlightGear on your computer, you can get it here

5. copy config/fgudp.xmlinto folder FG_ROOT/data/Protocol. FG_ROOT is the folder where you install FG

6. start flight gear and add below command line option into the blank white box in the tail of flightgear setting page. after this , press the fly button to begin your fly.

   --allow-nasal-from-sockets
   --telnet=5555
   --httpd=5500
   --generic=socket,in,10,127.0.0.1,5701,udp,fgudp
   --generic=socket,out,10,127.0.0.1,5700,udp,fgudp
   

7. To begin communicate with flightgear using python. just run the python example.py

8. [tips] next time you only need to start flightgear and do step 7. you don't need to do step 1-6 again

Code & Features

• train.py
• data_analysis.py data analysis
• DRL RL model
  • DQN
  • ActorCritic
  • DDPG
• fgmodule Communication and Control Module
  • fgudp.py main module of flightgear communication
  • fgcmd.py remote control, reset and other functions
  • fgenv.py
• scaffold
• data we will save all the fly log in folder data/flylog. their named by the time when the log created.

terms

• takeoff
• cruise

Relative Doc

• Introduction (command line arguments)

• telnet help this is very important for using telnet, please read carefully

• quick replay Load Flight Recorder Tape (Shift-F1) load a pre-recorded flight to play back. Save Flight Recorder Tape (Shift-F2) saves the current flight to play back later. we can also use (Ctrl-R) to make a quick replay

• some important props

  /sim/model/autostart  #autostart
  /controls/gear/brake-parking
  /sim/crashed #whether crashed