ESE350 project, Spring 2016, University of Pennsylvania
Dependencies: Adafruit9-DOf Receiver mbed-rtos mbed
Diff: quadcopter.cpp
- Revision:
- 21:336faf452989
- Parent:
- 20:efa15ed008b4
- Child:
- 22:92401a4fec13
diff -r efa15ed008b4 -r 336faf452989 quadcopter.cpp --- a/quadcopter.cpp Sun Apr 10 19:50:18 2016 +0000 +++ b/quadcopter.cpp Sun Apr 10 21:47:17 2016 +0000 @@ -18,9 +18,10 @@ // proportional attitude control gains - kp_phi_ = 0.3; - kp_theta_ = 0.3; - kp_psi_ = 0.3; + kp_f_ =2.5; + kp_phi_ = 0.2; + kp_theta_ = 0.2; + kp_psi_ = 0.2; // derivative attitude control gains kd_phi_ = 0; @@ -99,7 +100,7 @@ // the angles, but for instance the velocity with the Joystick // PD controller - controlInput_.f = F_des_;//m_*g_ + F_des_; + controlInput_.f = kp_f_*F_des_;//m_*g_ + F_des_; controlInput_.mx = kp_phi_*(desiredState_.phi-state_.phi)+kd_phi_*(desiredState_.p-state_.p); controlInput_.my = kp_theta_*(desiredState_.theta-state_.theta)+kd_theta_*(desiredState_.q-state_.q); controlInput_.mz = kp_psi_*(desiredState_.psi-state_.psi)+kd_psi_*(desiredState_.r-state_.r); @@ -110,10 +111,10 @@ // set pwm values // make code faster by precomputing all the components that are used multiple times and hardcode 0.25/gamma... - motorPwm_.m1=0.5+ 0.25*controlInput_.f-0.5/l_*controlInput_.my+0.25/gamma_*controlInput_.mz; - motorPwm_.m2=0.5 +0.25*controlInput_.f+0.5/l_*controlInput_.mx-0.25/gamma_*controlInput_.mz; - motorPwm_.m3=0.5+ 0.25*controlInput_.f+0.5/l_*controlInput_.my+0.25/gamma_*controlInput_.mz; - motorPwm_.m4=0.5 + 0.25*controlInput_.f-0.5/l_*controlInput_.mx-0.25/gamma_*controlInput_.mz; + motorPwm_.m1=0.5+ 0.25*controlInput_.f-0.5/l_*controlInput_.my-0.25/gamma_*controlInput_.mz; + motorPwm_.m2=0.5 +0.25*controlInput_.f-0.5/l_*controlInput_.mx+0.25/gamma_*controlInput_.mz; + motorPwm_.m3=0.5 + 0.25*controlInput_.f+0.5/l_*controlInput_.my-0.25/gamma_*controlInput_.mz; + motorPwm_.m4=0.5 + 0.25*controlInput_.f+0.5/l_*controlInput_.mx+0.25/gamma_*controlInput_.mz; }