GetVesselTorque() public static method

Get the total torque for a vessel.
public static GetVesselTorque ( Vessel vessel ) : Vector3
vessel Vessel The vessel from which ot get the total torque.
return Vector3
Example #1
0
        public void OnFixedUpdate()
        {
            if (Vessel != null)
            {
                UpdateStateVectors(Vessel, Target);

                Vector3 Torque = SteeringHelper.GetVesselTorque(Vessel);
                var     CoM    = Vessel.CoM;
                var     MoI    = Vessel.MOI;

                phiTotal  = PhiTotal();
                phiVector = PhiVector();

                for (int i = 0; i < 3; i++)
                {
                    MaxOmega[i] = Torque[i] * MaxStoppingTime / MoI[i];
                }

                TargetOmega[0] = pitchRatePI.Update(-phiVector[0], 0, MaxOmega[0]);
                TargetOmega[1] = rollRatePI.Update(-phiVector[1], 0, MaxOmega[1]);
                TargetOmega[2] = yawRatePI.Update(-phiVector[2], 0, MaxOmega[2]);

                if (Math.Abs(phiTotal) > RollControlRange)
                {
                    TargetOmega[1] = 0;
                    rollRatePI.ResetI();
                }

                TargetTorque[0] = pitchPI.Update(Omega[0], TargetOmega[0], Vessel.MOI[0], Torque[0]);
                TargetTorque[1] = rollPI.Update(Omega[1], TargetOmega[1], Vessel.MOI[1], Torque[1]);
                TargetTorque[2] = yawPI.Update(Omega[2], TargetOmega[2], Vessel.MOI[2], Torque[2]);
            }
        }
Example #2
0
        public Vector3d GetActuation(Quaternion thisTarget)
        {
            Target = thisTarget;
            UpdateStateVectors(Vessel, Target);

            Vector3 Torque = SteeringHelper.GetVesselTorque(Vessel);

            for (int i = 0; i < 3; i++)
            {
                Actuation[i] = (Torque[i] == 0.0) ? 0.0 :TargetTorque[i] / Torque[i];
                //removed the value modifications/clamps as the raw output is desired and can be post-processed.
            }

            return(Actuation);
        }
Example #3
0
        // Calculations of Tf are not safe during FlightComputer constructor
        // Probably because the ship is only half-initialized...
        public void updatePIDParameters()
        {
            if (Vessel != null)
            {
                Vector3 torque = SteeringHelper.GetVesselTorque(Vessel);
                var     CoM    = Vessel.CoM;
                var     MoI    = Vessel.MOI;

                Vector3d ratio = new Vector3d(
                    torque.x != 0 ? MoI.x / torque.x : 0,
                    torque.y != 0 ? MoI.y / torque.y : 0,
                    torque.z != 0 ? MoI.z / torque.z : 0
                    );

                Tf = Mathf.Clamp((float)ratio.magnitude / 20f, 2 * TimeWarp.fixedDeltaTime, 1f);
                Tf = Mathf.Clamp((float)Tf, (float)TfMin, (float)TfMax);
            }
            setPIDParameters();
        }
Example #4
0
        public void OnFixedUpdate()
        {
            if (Vessel != null)
            {
                UpdateStateVectors(Vessel, Target);

                Vector3 Torque = SteeringHelper.GetVesselTorque(Vessel);
                var     CoM    = Vessel.CoM;
                var     MoI    = Vessel.MOI;

                phiTotal  = PhiTotal();
                phiVector = PhiVector();//deviation errors from orientation target

                for (int i = 0; i < 3; i++)
                {
                    //Edge case: Very low (torque/MoI) (like 0.0078!) rate so need to rise max acceleration artifically
                    StoppingTime = (OmegaThreshold <= (Torque[i] / MoI[i])) ?
                                   1.0f :
                                   (float)RTUtil.Clamp((1.0 / (Torque[i] / MoI[i])) * (Math.Abs(phiVector[i]) - Phi1FStoppingTime), 1.0, MaxStoppingTime);

                    MaxOmega[i] = Mathf.Max((Torque[i] * StoppingTime) / MoI[i], 0.0001f);
                }

                TargetOmega[0] = pitchRatePI.Update(-phiVector[0], 0, MaxOmega[0]);
                TargetOmega[1] = rollRatePI.Update(-phiVector[1], 0, MaxOmega[1]);
                TargetOmega[2] = yawRatePI.Update(-phiVector[2], 0, MaxOmega[2]);

                if (Math.Abs(phiTotal) > RollControlRange)
                {
                    TargetOmega[1] = 0;
                    rollRatePI.ResetI();
                }

                TargetTorque[0] = pitchPI.Update(Omega[0], TargetOmega[0], Vessel.MOI[0], Torque[0]);
                TargetTorque[1] = rollPI.Update(Omega[1], TargetOmega[1], Vessel.MOI[1], Torque[1]);
                TargetTorque[2] = yawPI.Update(Omega[2], TargetOmega[2], Vessel.MOI[2], Torque[2]);
            }
        }