For many tasks, the most efficient way to run a simulation is by creating an XML script file. A JSBSim script is a master control file that orchestrates the entire simulation. It tells JSBSim which aircraft model to load, what initial conditions to use, and what events to trigger, such as engine start, waypoint changes, or a sequence of control inputs to fly a specific maneuver.
The core architecture separates the simulation into specific systems:
Defines the forces (lift, drag, sideforce) and moments (pitch, roll, yaw) acting on the airframe. jsbsim tutorial
Use the tag in your script. This dumps specific values into a .csv file for easy plotting in Python, MATLAB, or Excel.
The easiest way to experiment is via the jsbsim Python module. For many tasks, the most efficient way to
time = [] altitude = [] airspeed = []
Take the Cessna 172 model we built. Modify the CL-alpha table to simulate a stall (a sharp drop in CL after 0.25 radians). Run the simulation with a high alpha input and watch the aircraft enter a stall. Then, add a stall warning system using the <property> and <event> XML tags. The core architecture separates the simulation into specific
Navigate to the official JSBSim GitHub repository releases page.
import jsbsim fdm = jsbsim.FGFDMExec() print(fdm.GetVersion())
: Contains modular sub-systems like autopilots, electrical setups, or flight control systems.
vtailarea / vtailarm : Vertical tail specs for yaw stability. Mass Properties