def test_convert_force(self):
force = 1.0
expected_force = 4.44822
converted_force = convert_jsbsim_force(force)
self.assertAlmostEqual(expected_force, converted_force, 3)
def thrust(self):
"""Return the engine thrust in newtons"""
thrust = self.fdmexec.GetPropulsion()\
.GetEngine(0)\
.GetThruster()\
.GetThrust()
return convert_jsbsim_force(thrust)
def test_engine(self):
huginn_data_path = configuration.get_data_path()
fdm_builder = FDMBuilder(huginn_data_path)
fdm_builder.aircraft = "Rascal"
fdmexec = fdm_builder.create_fdm()
engine = Engine(fdmexec)
self.assertAlmostEqual(engine.thrust, convert_jsbsim_force(fdmexec.GetPropulsion().GetEngine(0).GetThruster().GetThrust()))
self.assertAlmostEqual(engine.throttle, fdmexec.GetFCS().GetThrottleCmd(0))
def test_get_forces(self):
huginn_data_path = configuration.get_data_path()
fdm_builder = FDMBuilder(huginn_data_path)
fdmexec = fdm_builder.create_fdm()
forces = Forces(fdmexec)
self.assertAlmostEqual(
forces.x_body,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetForces(1)), 3)
self.assertAlmostEqual(
forces.y_body,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetForces(2)), 3)
self.assertAlmostEqual(
forces.z_body,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetForces(3)), 3)
self.assertAlmostEqual(
forces.x_wind,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetvFw(1)), 3)
self.assertAlmostEqual(
forces.y_wind,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetvFw(2)), 3)
self.assertAlmostEqual(
forces.z_wind,
convert_jsbsim_force(fdmexec.GetAerodynamics().GetvFw(3)), 3)
self.assertAlmostEqual(
forces.x_total,
convert_jsbsim_force(fdmexec.GetAccelerations().GetForces(1)), 3)
self.assertAlmostEqual(
forces.y_total,
convert_jsbsim_force(fdmexec.GetAccelerations().GetForces(2)), 3)
self.assertAlmostEqual(
forces.z_total,
convert_jsbsim_force(fdmexec.GetAccelerations().GetForces(3)), 3)
def z_total(self):
"""Return the total force along the z axis in the body frame. The
value is in Newtons"""
force = self.fdmexec.GetAccelerations().GetForces(3)
return convert_jsbsim_force(force)
def z_wind(self):
"""Return the force along the z axis in the wind frame. The value
is in Newtons"""
force = self.fdmexec.GetAerodynamics().GetvFw(3)
return convert_jsbsim_force(force)
def y_body(self):
"""Return the force along the y axis in the body frame. The value
is in Newtons"""
force = self.fdmexec.GetAerodynamics().GetForces(2)
return convert_jsbsim_force(force)
