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mirror of https://gitlab.com/lander-team/lander-cpp.git synced 2025-06-16 15:17:23 +00:00

Merge branch 'main' of gitlab.com:lander-team/lander-cpp

This commit is contained in:
Anson Biggs 2021-10-14 18:14:22 -07:00
commit 14d68f852c
5 changed files with 52 additions and 107 deletions

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@ -1,6 +1,7 @@
{
"recommendations": [
"ms-vscode.cpptools",
"wayou.vscode-todo-highlight"
"wayou.vscode-todo-highlight",
"usernamehw.errorlens"
]
}

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@ -1,6 +1,8 @@
#include "Vehicle.h"
#include "outVector.h"
#include <iostream>
void burnStartTimeCalc(struct Vehicle &);
void thrustSelection(struct Vehicle &, int t);
void pidController(struct Vehicle &, struct Vehicle &);
@ -38,19 +40,33 @@ bool sim(struct Vehicle &State, struct Vehicle &PrevState) {
write2CSV(stateVector, State);
bool returnValue;
bool pass = 1;
if (abs(State.vz) < 5) {
if ((abs(State.yaw) < 5) && (abs(State.pitch) < 5)) {
returnValue = 1;
} else {
returnValue = 0;
}
} else {
returnValue = 0;
}
double landing_angle =
pow(State.yaw * State.yaw + State.pitch * State.pitch, .5);
return returnValue;
double landing_velocity =
pow(State.vx * State.vx + State.vy * State.vy + State.vz * State.vz, .5);
if (landing_angle < 5.0) {
std::cout << " Landing Angle < 5° | PASS | ";
} else {
std::cout << " Landing Angle < 5° | FAIL | ";
pass = pass * 0;
}
std::cout << "Final Angles: [" << State.yaw << ", " << State.pitch << "]"
<< std::endl;
if (landing_velocity < 5.0) {
std::cout << "Landing Velocity < 5 m/s | PASS | ";
} else {
std::cout << "Landing Velocity < 5 m/s | FAIL | ";
pass = pass * 0;
}
std::cout << "Final Velocity: [" << State.vx << ", " << State.vy << ", "
<< State.vz << "]" << std::endl;
return pass;
}
void burnStartTimeCalc(Vehicle &State) {
@ -340,8 +356,6 @@ void write2CSV(outVector &stateVector, Vehicle &State) {
"thrust, deriv"
<< std::endl;
std::cout << "Writing to csv...\n";
// writing to output file
for (int t = 0; t < State.simTime; t += State.stepSize) {
outfile << t << ", ";
@ -376,7 +390,7 @@ void write2CSV(outVector &stateVector, Vehicle &State) {
}
outfile.close();
std::cout << "Output File Closed\n";
std::cout << "simOut.csv created successfully.\n" << std::endl;
}
double derivative(double current, double previous, double step) {

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@ -1,20 +0,0 @@
vx,0,m/s
vy,0,m/s
vz,0,m/s
yaw,75,degs
pitch,30,degs
roll,0,degs
yawdot,0,degs/s
pitchdot,0,degs/s
rolldot,0,degs/s
Max Servo Rotation,7,degs
Initial Mass,1.2,kg
Propellant Mass,0.06,kg
Burn Time,3.302,s
Vehicle Height,0.5318,m
Vehicle Radius,0.05105,m
Moment Arm,0.145,m
Sim Step Size,1,ms
Kp,-6.8699,x
Ki,0,x
Kd,-0.775,x
1 vx 0 m/s
2 vy 0 m/s
3 vz 0 m/s
4 yaw 75 degs
5 pitch 30 degs
6 roll 0 degs
7 yawdot 0 degs/s
8 pitchdot 0 degs/s
9 rolldot 0 degs/s
10 Max Servo Rotation 7 degs
11 Initial Mass 1.2 kg
12 Propellant Mass 0.06 kg
13 Burn Time 3.302 s
14 Vehicle Height 0.5318 m
15 Vehicle Radius 0.05105 m
16 Moment Arm 0.145 m
17 Sim Step Size 1 ms
18 Kp -6.8699 x
19 Ki 0 x
20 Kd -0.775 x

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@ -51,7 +51,7 @@ title('Altitude vs Time')
xlabel('Time (s)')
ylabel('Altitude (m)')
ylim([0 z(1)+5])
%saveas(gcf,'outputs/Accel-Vel-Alt vs Time.png')
saveas(gcf,'outputs/Accel-Vel-Alt vs Time.png')
figure(2)
@ -75,7 +75,7 @@ plot(t, rolldot)
title('Angular Velocity vs Time')
xlabel('Time (ms)')
ylabel('Angular Velocity (deg/s)')
%saveas(gcf,'outputs/Euler Angles vs Time.png')
saveas(gcf,'outputs/Euler Angles vs Time.png')
legend("yawdot", "pitchdot", "rolldot")
figure(3)
@ -93,21 +93,4 @@ plot(t, Servo2)
title('Servo 2 Position vs Time')
xlabel('Time (ms)')
ylabel('Servo 2 Position (rad)')
%saveas(gcf,'outputs/Servo Position vs Time.png')
figure(4)
% Servo 1 Position
subplot(2, 1, 1)
plot(t, PIDx)
title('PIDx vs Time')
xlabel('Time (ms)')
ylabel('PIDx')
% Servo 2 Position
subplot(2, 1, 2)
plot(t, PIDy)
title('PIDy vs Time')
xlabel('Time (ms)')
ylabel('PIDy')
%saveas(gcf,'outputs/Servo Position vs Time.png')
saveas(gcf,'outputs/Servo Position vs Time.png')

View File

@ -17,79 +17,46 @@ int main() {
Vehicle State;
Vehicle PrevState;
// Create an input filestream
std::ifstream inFile("input.csv");
// Make sure the file is open
if (!inFile.is_open())
throw std::runtime_error("Could not open file");
std::vector<double> varValueVec = std::vector<double>(20, 0.0);
std::string varName, varValue, varUnits;
for (int i; i < 20; i++) {
std::getline(inFile, varName, ',');
std::getline(inFile, varValue, ',');
varValueVec[i] = stod(varValue);
std::getline(inFile, varUnits);
}
// Initial Velocity
State.vx = varValueVec[0]; // [m/s]
State.vy = varValueVec[1]; // [m/s]
State.vz = varValueVec[2]; // [m/s]
State.vx = 0; // [m/s]
State.vy = 0; // [m/s]
State.vz = 0; // [m/s]
// Initial YPR
State.yaw = varValueVec[3] * M_PI / 180; // [rad]
State.pitch = varValueVec[4] * M_PI / 180; // [rad]
State.roll = varValueVec[5] * M_PI / 180; // [rad]
State.yaw = 10 * M_PI / 180; // [rad]
State.pitch = 5 * M_PI / 180; // [rad]
State.roll = 0 * M_PI / 180; // [rad]
// Initial YPRdot
State.yawdot = varValueVec[6] * M_PI / 180; // [rad/s]
State.pitchdot = varValueVec[7] * M_PI / 180; // [rad/s]
State.rolldot = varValueVec[8] * M_PI / 180; // [rad/s]
State.yawdot = 1 * M_PI / 180; // [rad/s]
State.pitchdot = -1 * M_PI / 180; // [rad/s]
State.rolldot = 0 * M_PI / 180; // [rad/s]
// Servo Limitation
State.maxServo = varValueVec[9]; // [degs]
State.maxServo = 15; // [degs]
// Vehicle Properties
State.massInitial = varValueVec[10]; // [kg]
State.vehicleHeight = varValueVec[13]; // [m]
State.vehicleRadius = varValueVec[14]; // [m]
State.momentArm = varValueVec[15]; // [m]
State.massInitial = 1.2; // [kg]
State.vehicleHeight = 0.5318; // [m]
State.vehicleRadius = 0.05105; // [m]
State.momentArm = 0.145; // [m]
// Sim Step Size
State.stepSize = varValueVec[16]; // [ms]
// PID Gains
State.Kp = varValueVec[17];
State.Ki = varValueVec[18];
State.Kd = varValueVec[19];
State.stepSize = 1; // [ms]
// Other Properties
State.burntime = varValueVec[12]; // [s]
State.massPropellant = varValueVec[11]; // [kg]
State.massPropellant = 0.06; // [kg]
State.massBurnout = State.massInitial - State.massPropellant; // [kg]
State.burntime = 3.45 - 0.148; // [s]
State.mdot = State.massPropellant / State.burntime; // [kg/s]
State.mass = State.massInitial; // [kg]
State.burnElapsed = 2000; // [s]
PrevState.thrust = 0; // [N]
PrevState = State;
std::cout << "START\n";
bool outcome = sim(State, PrevState);
std::cout << "Finished\n";
if (outcome == 1) {
std::cout << "Sim Result = Success!";
return 0;
} else if (outcome == 0) {
std::cout << "Sim Result = Failed!";
// return 1; Until I figure out how to make CI/CD continue even when run
// fails.
std::cout << std::endl << "Simulation Complete 🚀" << std::endl;
// ^^^
// 50% chance this makes Mattys linux crash
return 0;
}
}