public override void PreUpdate(double dt)
{
// Update sub-model atmospheric properties
mainRotor.Density = Atmosphere.Density;
tailRotor.Density = Atmosphere.Density;
if (Fuselage != null)
{
Fuselage.mrdistance = MainRotor.Translation - Fuselage.Translation;
}
if (horizontalStabilizer != null)
{
horizontalStabilizer.Density = Atmosphere.Density;
}
if (verticalStabilizer != null)
{
verticalStabilizer.Density = Atmosphere.Density;
}
mainRotor.HeightAboveGround = Height - mainRotor.Translation[2];
// Update sub-model controls
mainRotor.Collective = FCS.Collective;
mainRotor.LongCyclic = FCS.LongCyclic;
mainRotor.LatCyclic = FCS.LatCyclic;
tailRotor.Collective = -FCS.Pedal; // TODO make pedal-collective inversion a parameter, or figure it out
// Update engine and drivetrain
if (UseEngineModel)
{
if (Engine.phase == Engine.Phase.START && GearBox.autoBrakeRPM > 1e-5)
{
GearBox.BrakeEnabled = false;
}
GearBox.MainRotorLoad = MainRotor.Enabled ? MainRotor.ShaftTorque : 0;
GearBox.TailRotorLoad = TailRotor.Enabled ? TailRotor.ShaftTorque : 0;
GearBox.MainRotorInertia = MainRotor.Enabled ? MainRotor.Inertia : 0;
GearBox.TailRotorInertia = TailRotor.Enabled ? TailRotor.Inertia : 0;
GearBox.Update(dt);
Engine.load = GearBox.Load;
Engine.inertia = GearBox.Inertia;
Engine.Update(dt);
GearBox.RotspeedDrive = Engine.RotSpeed;
MainRotor.RotSpeed = MainRotor.Enabled ? GearBox.MainRotorSpeed : 0;
TailRotor.RotSpeed = TailRotor.Enabled ? GearBox.TailRotorSpeed : 0;
}
}
public void ModerateLoad_MaintainsRPM()
{
model.Init(100);
model.load = 800;
model.throttle = 1.0;
for (double t = 0.0; t < 10.0; t += 0.1)
{
model.Update(0.1);
}
Console.WriteLine("RPM " + model.RPM.ToStr() + " designRPM " + model.designRPM.ToStr());
Assert.IsTrue(model.RPM > 0.99 * model.designRPM);
Console.WriteLine("P " + (model.Qeng * model.Omega).ToStr() + " max " + model.maxPower);
Assert.IsTrue(model.Qeng * model.Omega < 0.99 * model.maxPower);
}
public override void PreUpdate(double dt)
{
// Update sub-model atmospheric properties
foreach (var rotor in Rotors)
{
rotor.Density = Atmosphere.Density;
rotor.HeightAboveGround = Height - rotor.Translation[2];
}
// Update sub-model controls
foreach (var rotor in Rotors)
{
rotor.Collective = FCS.Collective;
if (rotor.Translation.x() > 0)
{
rotor.Collective -= FCS.LongCyclic;
}
if (rotor.Translation.x() < 0)
{
rotor.Collective += FCS.LongCyclic;
}
if (rotor.Translation.y() > 0)
{
rotor.Collective -= FCS.LatCyclic;
}
if (rotor.Translation.y() < 0)
{
rotor.Collective += FCS.LatCyclic;
}
if (rotor.direction == Rotor.Direction.CounterClockwise)
{
rotor.Collective += FCS.Pedal;
}
if (rotor.direction == Rotor.Direction.Clockwise)
{
rotor.Collective -= FCS.Pedal;
}
if (rotor.Collective > 1.0)
{
rotor.Collective = 1.0;
}
if (rotor.Collective < -1.0)
{
rotor.Collective = -1.0;
}
}
// Update engine and drivetrain
if (UseEngineModel)
{
if (Engine.phase == Engine.Phase.START && GearBox.autoBrakeRPM > 1e-5)
{
GearBox.BrakeEnabled = false;
}
GearBox.MainRotorLoad = 0;
GearBox.MainRotorInertia = 0;
foreach (var rotor in Rotors)
{
if (!rotor.Enabled)
{
continue;
}
GearBox.MainRotorLoad += Math.Abs(rotor.ShaftTorque);
GearBox.MainRotorInertia += rotor.Inertia;
}
GearBox.TailRotorLoad = 0;
GearBox.TailRotorInertia = 0;
GearBox.Update(dt);
Engine.load = GearBox.Load;
Engine.inertia = GearBox.Inertia;
Engine.Update(dt);
GearBox.RotspeedDrive = Engine.RotSpeed;
foreach (var rotor in Rotors)
{
rotor.RotSpeed = rotor.Enabled ? GearBox.MainRotorSpeed : 0;
}
}
}
