1
0
mirror of https://gitlab.com/lander-team/lander-cpp.git synced 2025-06-15 22:56:53 +00:00

Merge branch '31-avionics-integration-test' into 'main'

Resolve "Avionics Integration Test"

Closes #31

See merge request lander-team/lander-cpp!25
This commit is contained in:
Brendan McGeeney 2021-11-15 00:21:42 +00:00
commit f7acf25479
5 changed files with 211 additions and 142 deletions

View File

@ -1,37 +0,0 @@
#include <HX711.h>
struct LoadCells {
HX711 loadcell_0;
HX711 loadcell_1;
HX711 loadcell_2;
HX711 loadcell_3;
double lc0Value;
double lc1Value;
double lc2Value;
double lc3Value;
double lc0Calibration;
double lc1Calibration;
double lc2Calibration;
double lc3Calibration;
};
double loadCellCalibrate(HX711 loadCell) {
// place code to calibrate load cells in here
double loadTotal = 0.0;
for (int t = 0; t == 10; ++t) {
loadTotal += loadCell.read();
delay(15);
}
return loadTotal / 10.0;
}
void init_LoadCells(LoadCells &loadCells) {
loadCells.lc0Calibration = loadCellCalibrate(loadCells.loadcell_0);
loadCells.lc1Calibration = loadCellCalibrate(loadCells.loadcell_1);
loadCells.lc2Calibration = loadCellCalibrate(loadCells.loadcell_2);
loadCells.lc3Calibration = loadCellCalibrate(loadCells.loadcell_3);
}

View File

@ -22,7 +22,7 @@ struct Vehicle {
double thrust, burnElapsed, burnStart;
int thrustFiring = 0; // 0: Pre-burn, 1: Mid-burn, 2: Post-burn
double PIDx, PIDy, Fx, Fy, Fz;
double PIDx, PIDy, Fx, Fy, Fz, F;
double momentX, momentY, momentZ;
double I11, I22, I33;
@ -44,6 +44,8 @@ struct Vehicle {
double stepDuration;
double time = 0.0;
double lc0, lc1, lc2, lc3;
};
void init_Vehicle(Vehicle &State) {
@ -78,7 +80,7 @@ void init_Vehicle(Vehicle &State) {
State.momentArm = 0.145; // [m]
// Sim Step Size
State.stepSize = 1.0; // [ms]
State.stepSize = 5.0; // [ms]
// Other Properties
State.massPropellant = 0.06; // [kg]

View File

@ -117,10 +117,10 @@ void printSimResults(Vehicle &State) {
std::cout << "Final Angles: [" << State.yaw << ", " << State.pitch << "]"
<< std::endl;
if (landing_velocity < 0.5) {
std::cout << "Landing Velocity < 0.5 m/s | PASS | ";
if (landing_velocity < 1.0) {
std::cout << "Landing Velocity < 1.0 m/s | PASS | ";
} else {
std::cout << "Landing Velocity < 0.5 m/s | FAIL | ";
std::cout << "Landing Velocity < 1.0 m/s | FAIL | ";
}
std::cout << "Final Velocity: [" << State.vx << ", " << State.vy << ", "
<< State.vz << "]" << std::endl;

View File

@ -1,12 +1,14 @@
#include "Vehicle.h"
#include <Arduino.h>
#include <PWMServo.h>
#include <SD.h>
#include <SPI.h>
void testGimbal(class PWMServo &, class PWMServo &);
double loadCellCalibrate();
void initFile();
void thrustInfo(struct Vehicle &);
void processTVC(struct Vehicle &);
void processTVC(struct Vehicle &, class PWMServo &, class PWMServo &);
void write2CSV(struct Vehicle &);
void printSimResults(struct Vehicle &);
void teensyAbort();
@ -14,14 +16,51 @@ void teensyAbort();
const int chipSelect = BUILTIN_SDCARD;
File dataFile;
double loadCellCalibrate() {
// place code to calibrate load cells in here
double loadTotal = 0.0;
for (double t = 0.0; t == 10.0; ++t) {
loadTotal += 1.0;
delay(15);
void testGimbal(PWMServo &servo1, PWMServo &servo2) {
int servoTest = 0;
servo1.write(servoTest);
servo2.write(servoTest);
// Servo 1 Test
for (servoTest = 0; servoTest < 7; servoTest += 1) {
servo1.write(servoTest);
delay(30);
}
return loadTotal / 10.0;
for (servoTest = 7; servoTest >= 1; servoTest -= 1) {
servo1.write(servoTest);
delay(30);
}
delay(1000);
// Servo 2 Test
for (servoTest = 0; servoTest < 7; servoTest += 1) {
servo2.write(servoTest);
delay(30);
}
for (servoTest = 7; servoTest >= 1; servoTest -= 1) {
servo2.write(servoTest);
delay(30);
}
delay(1000);
// Servo 1 & 2 Test
for (servoTest = 0; servoTest < 7; servoTest += 1) {
servo1.write(servoTest);
servo2.write(servoTest);
delay(30);
}
for (servoTest = 7; servoTest >= 1; servoTest -= 1) {
servo1.write(servoTest);
servo2.write(servoTest);
delay(30);
}
delay(30);
servo1.write(0);
servo2.write(0);
}
void initFile() {
@ -75,7 +114,7 @@ void initFile() {
// File Header
dataFile.println(
"t,x,y,z,vx,vy,vz,ax,ay,az,yaw,pitch,roll,yawdot,pitchdot,rolldot,"
"Servo1,Servo2,thrustFiring,thrust,simResponse");
"Servo1,Servo2,thrustFiring,thrust,simResponse,lc0,lc1,lc2,lc3");
}
void thrustInfo(Vehicle &State) {
@ -103,16 +142,21 @@ void thrustInfo(Vehicle &State) {
}
}
void processTVC(Vehicle &State, LoadCells &loadCells) {
void processTVC(Vehicle &State, PWMServo &servo1, PWMServo &servo2) {
if (State.time == 0) {
Serial.println("WARNING: processTVC not implemented for TEENSY");
}
double r = 3.0;
double R = 5.0;
// Vector math to aqcuire thrust vector components
// PLACEHOLDER PLACEHOLDERPLACEHOLDER PLACEHOLDERPLACEHOLDER
// PLACEHOLDERPLACEHOLDER PLACEHOLDERPLACEHOLDER PLACEHOLDER
State.Fx = loadCells.lc1Value + loadCells.lc2Value;
State.Fy = loadCells.lc0Value + loadCells.lc3Value;
State.Fx = (State.lc1 - State.lc2) * r / R;
State.Fy = (State.lc0 - State.lc3) * r / R;
State.Fz = State.lc0 + State.lc1 + State.lc2 + State.lc3;
State.Fx = State.thrust * sin(State.xServoDegs * (M_PI / 180.0));
State.Fy = State.thrust * sin(State.yServoDegs * (M_PI / 180.0));
State.Fz = sqrt(pow(State.thrust, 2) - pow(State.Fx, 2) - pow(State.Fy, 2)) +
(State.mass * g);
@ -120,6 +164,11 @@ void processTVC(Vehicle &State, LoadCells &loadCells) {
State.momentX = State.Fx * State.momentArm;
State.momentY = State.Fy * State.momentArm;
State.momentZ = 0.0;
State.F = sqrt(pow(State.Fx, 2) + pow(State.Fy, 2) + pow(State.Fz, 2));
servo1.write(State.xServoDegs);
servo2.write(State.yServoDegs);
}
void write2CSV(Vehicle &State) {
@ -172,8 +221,17 @@ void write2CSV(Vehicle &State) {
dataFile.print(",");
dataFile.print(String(State.stepDuration, 5));
dataFile.print("\n");
dataFile.print(",");
dataFile.print(String(State.lc0, 5));
dataFile.print(",");
dataFile.print(String(State.lc1, 5));
dataFile.print(",");
dataFile.print(String(State.lc2, 5));
dataFile.print(",");
dataFile.print(String(State.lc3, 5));
dataFile.print("\n");
}
void printSimResults(Vehicle &State) {
@ -195,10 +253,10 @@ void printSimResults(Vehicle &State) {
Serial.print("Final Angles: [" + String(State.yaw) + ", " +
String(State.pitch) + "]\n");
if (landing_velocity < 0.5) {
Serial.print("Landing Velocity < 0.5 m/s | PASS | ");
if (landing_velocity < 1.0) {
Serial.print("Landing Velocity < 1.0 m/s | PASS | ");
} else {
Serial.print("Landing Velocity < 0.5 m/s | FAIL | ");
Serial.print("Landing Velocity < 1.0 m/s | FAIL | ");
}
Serial.print("Final Velocity: [" + String(State.vx) + ", " +
String(State.vy) + ", " + String(State.vz) + "]\n");

View File

@ -1,6 +1,4 @@
#define M_PI 3.14159265359
#if defined(NATIVE) || defined(_WIN32)
#if defined(_WIN32) || defined(NATIVE)
#include <cmath>
#include <fstream>
#include <iostream>
@ -10,142 +8,190 @@
#include <vector>
#elif defined(TEENSY)
#include <Arduino.h>
int BUILTIN_LED = 13;
unsigned long last, initTime;
#endif
#define M_PI 3.14159265359
#include "Vehicle.h"
#include "sim.h"
#if defined(NATIVE) || defined(_WIN32)
#include "native.h"
outVector stateVector;
#elif defined(TEENSY)
#include "LoadCells.h"
LoadCells loadCells;
#include "teensy.h"
const int lc_clock = 23;
const int lc_data_0 = 0;
const int lc_data_1 = 1;
const int lc_data_2 = 2;
const int lc_data_3 = 3;
#endif
Vehicle State;
Vehicle PrevState;
#if defined(NATIVE) || defined(_WIN32)
void setup() {
init_Vehicle(State);
#if defined(TEENSY)
int BUILTIN_LED = 13;
unsigned long last, initTime;
#include "teensy.h"
#include <HX711.h>
#include <PWMServo.h>
const int lc_clock = 23;
const int pin_lc0 = 14;
const int pin_lc1 = 15;
const int pin_lc2 = 19;
const int pin_lc3 = 20;
void init_loadCells();
void read_lc0();
void read_lc1();
void read_lc2();
void read_lc3();
HX711 lc0;
HX711 lc1;
HX711 lc2;
HX711 lc3;
PWMServo servo1;
PWMServo servo2;
const int pin_servo1 = 33;
const int pin_servo2 = 29;
int servoPos = 0; // variable to store the servo position;
// Determine when to burn
burnStartTimeCalc(State);
}
#elif defined(TEENSY)
void setup() {
Serial.begin(9600);
// Configure clock pin with high impedance to protect pin (if this doesn't
// work, change to OUTPUT)
pinMode(lc_clock, INPUT);
// Configure load cell data pins as inputs
pinMode(lc_data_0, INPUT);
pinMode(lc_data_1, INPUT);
pinMode(lc_data_2, INPUT);
pinMode(lc_data_3, INPUT);
delay(5000);
Serial.println("Simulation Countdown:");
for (int i = 0; i < 10; i++) {
Serial.println(10 - i);
delay(1000);
}
delay(1000);
init_loadCells();
init_Vehicle(State);
State.lc0 = lc0.get_value();
State.lc1 = lc1.get_value();
State.lc2 = lc2.get_value();
State.lc3 = lc3.get_value();
servo1.attach(pin_servo1);
servo2.attach(pin_servo2);
testGimbal(servo1, servo2);
Serial.println("Servos Tested");
delay(3000);
Serial.println("Simulated Vehicle Initalized");
delay(1000);
// Determine when to burn
burnStartTimeCalc(State);
Serial.println("Starting Height Calculated");
delay(1000);
init_LoadCells(loadCells);
Serial.println("Load Cells Calibrated");
delay(1000);
initFile();
delay(1000);
initTime = micros();
}
#endif
#if defined(NATIVE) || defined(_WIN32)
void loop() {
vehicleDynamics(State, PrevState);
thrustInfo(State);
pidController(State, PrevState);
TVC(State, PrevState);
processTVC(State);
state2vec(State, PrevState, stateVector);
// Set "prev" values for next timestep
PrevState = State;
State.time += State.stepSize;
if ((State.z < 0.0) && (State.thrustFiring == 2)) {
write2CSV(stateVector, State);
printSimResults(State);
init_Vehicle(State);
}
}
#elif defined(TEENSY)
void loop() {
last = micros();
vehicleDynamics(State, PrevState);
thrustInfo(State);
pidController(State, PrevState);
TVC(State, PrevState);
processTVC(State, loadCells);
processTVC(State, servo1, servo2);
State.stepDuration = micros() - last;
write2CSV(State);
// Set "prev" values for next timestep
// Set previous values for next timestep
PrevState = State;
// state2vec(State, PrevState, stateVector);
State.time += State.stepSize;
if ((State.z < 0.0) && (State.thrustFiring == 2)) {
printSimResults(State);
Serial.println("Run duration:" + String(micros() - initTime) + " us");
Serial.println("Run duration:" + String((micros() - initTime) / 1000000.0) +
" seconds");
closeFile();
delay(20000);
delay(3000);
Serial.println("SUCCESS");
Serial.println("Aborting Sim");
Serial.println("Exiting Sim");
teensyAbort();
}
delay(20 - ((micros() - last) * 1000.0));
delay(State.stepSize - ((micros() - last) / 1000.0));
}
void init_loadCells() {
// Configure clock pin with high impedance to protect
// pin (if this doesn't work, change to OUTPUT)
pinMode(lc_clock, INPUT);
// Configure load cell data pins as inputs
pinMode(pin_lc0, INPUT);
pinMode(pin_lc1, INPUT);
pinMode(pin_lc2, INPUT);
pinMode(pin_lc3, INPUT);
lc0.begin(pin_lc0, lc_clock);
lc1.begin(pin_lc1, lc_clock);
lc2.begin(pin_lc2, lc_clock);
lc3.begin(pin_lc3, lc_clock);
// Attach ISRs to load cell data pins to read data when available
attachInterrupt(digitalPinToInterrupt(pin_lc0), read_lc0, LOW);
attachInterrupt(digitalPinToInterrupt(pin_lc1), read_lc1, LOW);
attachInterrupt(digitalPinToInterrupt(pin_lc2), read_lc2, LOW);
attachInterrupt(digitalPinToInterrupt(pin_lc3), read_lc3, LOW);
Serial.println("Load Cells Initialized");
Serial.print("Calibrating");
lc0.tare();
Serial.print(".");
lc1.tare();
Serial.print(".");
lc2.tare();
Serial.print(".");
lc3.tare();
Serial.println(".");
Serial.println("Load Cells Calibrated");
}
// ISRs to print data to serial monitor
void read_lc0() { State.lc0 = lc0.get_value(); }
void read_lc1() { State.lc1 = lc1.get_value(); }
void read_lc2() { State.lc2 = lc2.get_value(); }
void read_lc3() { State.lc3 = lc3.get_value(); }
#endif
#if defined(_WIN32) || defined(NATIVE)
#include "native.h"
outVector stateVector;
int main() {
setup();
init_Vehicle(State);
// Determine when to burn
burnStartTimeCalc(State);
do {
loop();
vehicleDynamics(State, PrevState);
thrustInfo(State);
pidController(State, PrevState);
TVC(State, PrevState);
processTVC(State);
state2vec(State, PrevState, stateVector);
// Set "prev" values for next timestep
PrevState = State;
State.time += State.stepSize;
if ((State.z < 0.0) && (State.thrustFiring == 2)) {
write2CSV(stateVector, State);
printSimResults(State);
init_Vehicle(State);
}
} while ((State.z > 0.0) || (State.thrustFiring != 2));
return 0;
}
#endif
#endif