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https://gitlab.com/lander-team/lander-cpp.git
synced 2025-07-23 14:41:25 +00:00
Fixed differences between native and teensy, added getThrust() function to clean up thrustInfo()
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@@ -8,41 +8,23 @@ void write2CSV(struct outVector &, struct Vehicle &);
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void printSimResults(struct Vehicle &);
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void thrustInfo(Vehicle &State) {
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if (State.burnElapsed != 2000) {
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// determine where in the thrust curve we're at based on elapsed burn time
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// as well as current mass
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State.burnElapsed = (State.time - State.burnStart) / 1000;
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State.mass = State.massInitial - (State.mdot * State.burnElapsed);
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}
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else if (abs(State.burnVelocity + State.vz) < 0.001) {
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if ((std::abs(State.burnVelocity + State.vz) < 1.03) &&
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(State.thrustFiring == 0)) {
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// Start burn
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State.burnStart = State.time;
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State.burnElapsed = 0;
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}
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State.burnElapsed = 0.0;
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State.thrustFiring = 1;
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else
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State.burnElapsed = 2000; // arbitrary number to ensure we don't burn
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getThrust(State);
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if ((State.burnElapsed > 0.147) && (State.burnElapsed < 0.420)) {
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State.thrustFiring = true;
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State.thrust = 65.165 * State.burnElapsed - 2.3921;
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} else if (State.thrustFiring == 1) {
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State.burnElapsed = (State.time - State.burnStart) / 1000.0;
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State.mass = State.massInitial - (State.mdot * State.burnElapsed);
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} else if ((State.burnElapsed > 0.419) && (State.burnElapsed < 3.383))
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State.thrust = 0.8932 * pow(State.burnElapsed, 6) -
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11.609 * pow(State.burnElapsed, 5) +
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60.739 * pow(State.burnElapsed, 4) -
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162.99 * pow(State.burnElapsed, 3) +
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235.6 * pow(State.burnElapsed, 2) -
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174.43 * State.burnElapsed + 67.17;
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getThrust(State);
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else if ((State.burnElapsed > 3.382) && (State.burnElapsed < 3.46))
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State.thrust = -195.78 * State.burnElapsed - 675.11;
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if (State.burnElapsed > 3.45) {
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State.thrustFiring = false;
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State.thrust = 0;
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} else {
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State.thrust = 0.0;
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}
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}
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