4 Commits
12 changed files with 224 additions and 50 deletions
+18
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@@ -0,0 +1,18 @@
#ifndef CONTROLLER_H
#define CONTROLLER_H
class Controller
{
public:
virtual ~Controller()
{
}
virtual double update(double ref, double actual) = 0;
virtual void reset()
{
}
};
#endif
+1 -1
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@@ -7,7 +7,7 @@
class InitializationState : public State class InitializationState : public State
{ {
private: private:
static const unsigned long WAIT_MS = 2000; static const unsigned long WAIT_MS = 2000UL;
unsigned long enter_time_ms = 0; unsigned long enter_time_ms = 0;
+27 -11
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@@ -3,7 +3,9 @@
#include "rotary_encoder_driver.h" #include "rotary_encoder_driver.h"
#include "motor_driver.h" #include "motor_driver.h"
#include "p_controller.h" //#include "p_controller.h"
//#include "pi_controller.h"
#include "controller.h"
#include "digital_out.h" #include "digital_out.h"
class State; class State;
@@ -18,13 +20,15 @@ private:
State* current_state; State* current_state;
State* initialization_state; State& initialization_state;
State* operational_state; State& operational_state;
State* stopped_state; State& stopped_state;
RotaryEncoderDriver& encoder; RotaryEncoderDriver& encoder;
MotorDriver& motor; MotorDriver& motor;
P_controller& controller; //P_controller& controller;
//PI_controller& controller;
Controller& controller;
Digital_out led; Digital_out led;
@@ -35,15 +39,19 @@ public:
MotorController( MotorController(
RotaryEncoderDriver& encoder, RotaryEncoderDriver& encoder,
MotorDriver& motor, MotorDriver& motor,
P_controller& controller //P_controller& controller,
Controller& controller,
State& initialization,
State& operational,
State& stopped
); );
void set_states( // void set_states(
State* initialization, // State* initialization,
State* operational, // State* operational,
State* stopped // State* stopped
); // );
void begin(); void begin();
@@ -70,9 +78,17 @@ public:
void reset_speed_measurement(); void reset_speed_measurement();
void reset_controller();
void led_on(); void led_on();
void led_off(); void led_off();
}; };
#endif #endif
+7 -2
View File
@@ -1,7 +1,9 @@
#ifndef P_CONTROLLER_H #ifndef P_CONTROLLER_H
#define P_CONTROLLER_H #define P_CONTROLLER_H
class P_controller #include "controller.h"
class P_controller : public Controller
{ {
private: private:
double Kp; double Kp;
@@ -9,7 +11,10 @@ private:
public: public:
P_controller(double Kp); P_controller(double Kp);
double update(double ref, double actual); double update(double ref, double actual) override;
}; };
#endif #endif
+27
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@@ -0,0 +1,27 @@
#ifndef PI_CONTROLLER_H
#define PI_CONTROLLER_H
#include "controller.h"
class PI_controller : public Controller
{
private:
double Kp;
double Ti;
double T;
double integral;
public:
PI_controller(
double Kp,
double Ti,
double T
);
double update(double ref, double actual) override;
void reset() override;
};
#endif
+2 -1
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@@ -14,4 +14,5 @@ board = nanoatmega328new
framework = arduino framework = arduino
monitor_speed = 115200 monitor_speed = 115200
test_framework = unity
test_build_src = yes
+3
View File
@@ -15,7 +15,10 @@ void InitializationState::enter()
context->reset_speed_measurement(); context->reset_speed_measurement();
context->reset_controller();
enter_time_ms = millis(); enter_time_ms = millis();
} }
+16 -9
View File
@@ -3,7 +3,8 @@
#include "rotary_encoder_driver.h" #include "rotary_encoder_driver.h"
#include "motor_driver.h" #include "motor_driver.h"
#include "p_controller.h" //#include "p_controller.h"
#include "pi_controller.h"
#include "motor_controller.h" #include "motor_controller.h"
@@ -16,10 +17,15 @@ RotaryEncoderDriver encoder;
MotorDriver motor; MotorDriver motor;
const double KP = 12.5; //const double KP = 12.5;
P_controller controller(KP); //P_controller controller(KP);
PI_controller controller(
12.5, // Kp
1.0, // Ti
0.004 // T = 4 ms
);
InitializationState initialization_state; InitializationState initialization_state;
@@ -33,7 +39,8 @@ MotorController motor_controller(
motor, motor,
controller, controller,
initialization_state, initialization_state,
operational_state operational_state,
stopped_state
); );
@@ -53,11 +60,11 @@ int main()
sei(); sei();
motor_controller.set_states( // motor_controller.set_states(
&initialization_state, // &initialization_state,
&operational_state, // &operational_state,
&stopped_state // &stopped_state
); // );
motor_controller.begin(); motor_controller.begin();
+37 -25
View File
@@ -7,35 +7,39 @@
MotorController::MotorController( MotorController::MotorController(
RotaryEncoderDriver& encoder, RotaryEncoderDriver& encoder,
MotorDriver& motor, MotorDriver& motor,
P_controller& controller, //P_controller& controller,
//PI_controller& controller;
Controller& controller,
State& initialization, State& initialization,
State& operational State& operational,
State& stopped
) )
: current_state(nullptr), : current_state(nullptr),
initialization_state(nullptr), initialization_state(initialization),
operational_state(nullptr), operational_state(operational),
stopped_state(nullptr), stopped_state(stopped),
encoder(encoder), encoder(encoder),
motor(motor), motor(motor),
controller(controller), controller(controller),
led(LED_PIN), led(LED_PIN),
reference_rpm(DEFAULT_REFERENCE_RPM) reference_rpm(DEFAULT_REFERENCE_RPM)
{ {
initialization_state.set_context(this);
operational_state.set_context(this);
stopped_state.set_context(this);
} }
void MotorController::set_states( // void MotorController::set_states(
State* initialization, // State* initialization,
State* operational, // State* operational,
State* stopped // State* stopped
) // )
{
initialization_state = initialization; // initialization_state = initialization;
operational_state = operational; // operational_state = operational;
stopped_state = stopped; // stopped_state = stopped;
//initialization_state.set_context(this);
//operational_state.set_context(this);
}
void MotorController::begin() void MotorController::begin()
@@ -56,6 +60,8 @@ void MotorController::transition_to(State& new_state)
current_state = &new_state; current_state = &new_state;
current_state->set_context(this);
current_state->enter(); current_state->enter();
} }
@@ -128,13 +134,19 @@ bool MotorController::fault_active()
return motor.fault_active(); return motor.fault_active();
} }
//void MotorController::led_on() void MotorController::reset_controller()
//{ {
// led.set_hi(); controller.reset();
//} }
void MotorController::led_on()
{
led.set_hi();
}
//void MotorController::led_off() void MotorController::led_off()
//{ {
// led.set_lo(); led.set_lo();
//} }
+1 -1
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@@ -126,5 +126,5 @@ void MotorDriver::set(double pwm)
bool MotorDriver::fault_active() bool MotorDriver::fault_active()
{ {
return !(PIND & (1 << PIND4));p return !(PIND & (1 << PIND4));
} }
+57
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@@ -0,0 +1,57 @@
#include "pi_controller.h"
PI_controller::PI_controller(
double Kp,
double Ti,
double T
)
: Kp(Kp),
Ti(Ti),
T(T),
integral(0.0)
{
}
double PI_controller::update(double ref, double actual)
{
return 0.0;
}
// double PI_controller::update(double ref, double actual)
// {
// double error = ref - actual;
// double new_integral =
// integral + error * T;
// double output =
// Kp * (error + new_integral / Ti);
// // Positive saturation
// if (output > 100.0)
// {
// return 100.0;
// }
// // Negative saturation
// if (output < -100.0)
// {
// return -100.0;
// }
// // Only save the integral if the controller
// // is not saturated
// integral = new_integral;
// return output;
// }
void PI_controller::reset()
{
integral = 0.0;
}
+28
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@@ -0,0 +1,28 @@
#include <unity.h>
//#include "p_controller.h"
#include "pi_controller.h"
static const double KP = 2.0;
static const double KI = 1.0;
static const double T = 0.1;
static const double TOL = 1e-4; // Tolerance
void test_positive_error()
{
PI_controller controller(KP, KI, T);
double output = controller.update(10.0, 8.0);
TEST_ASSERT_DOUBLE_WITHIN(TOL, 4.4, output);
}
int main()
{
UNITY_BEGIN();
RUN_TEST(test_positive_error);
return UNITY_END();
}