Search found 4 matches

by AHMAD SHARIFA
Wed May 02, 2018 7:08 pm
Forum: Developer Discussions
Topic: inquiries about some matrices in the firmware
Replies: 1
Views: 1331

inquiries about some matrices in the firmware

Hello guys , I am trying to understand the Crazyflie firmware,can any body answer me what the following matrices represent in the firmware in kalman filter estimator.c A[STATE_X][STATE_X], S[STATE_PX] , P[STATE_X][STATE_X], h[STATE_DIM] please help me, I need definition of each one. It seems to me l...
by AHMAD SHARIFA
Tue May 01, 2018 11:05 pm
Forum: Developer Discussions
Topic: state space of Crazyflie 2.0
Replies: 2
Views: 1666

Re: state space of Crazyflie 2.0

Dear arnaud , I do not suspect that the code is wrong, in control engineering we represent any dynamic system by state space representation, I have read many thesis that they used Crazyflie as a platform in their research, but no thesis has undertaken the same Matrices that has been used in the firm...
by AHMAD SHARIFA
Fri Apr 27, 2018 9:03 am
Forum: Developer Discussions
Topic: state space of Crazyflie 2.0
Replies: 2
Views: 1666

state space of Crazyflie 2.0

I am a PhD student doing my research on Crazyflie, I want to ask about the Matrices A,B,C,D i.e. space state variables where its it written. I have seen the following part in kalman filter.c file is that correct ?? // ====== DYNAMICS LINEARIZATION ====== // Initialize as the identity A[STATE_X][STAT...
by AHMAD SHARIFA
Mon Mar 19, 2018 10:11 am
Forum: Support
Topic: Reference is needed for Optical flow sensor culculation through kalman filter
Replies: 1
Views: 1291

Reference is needed for Optical flow sensor culculation through kalman filter

Hello every body ! I need Scientific Reference for Optical flow sensor calculation through kalman filter that is used in the following code where does this equation come from? what is the reference for this !! and thank you very much //////////////////////////////////////////////////////////////////...