Algorithm
By 
pianoforte
pianoforte The most recent tentative proposal for the control algorithm is found below. Not that this may be subject to changes as we are still currently validating it.
See Rocket_Proposal (also embedded below)
Sources: - Design, Optimal Guidance and Control of a Low-cost Re-usable Electric Model Rocket | Spannagal et al. | 2021 | https://arxiv.org/pdf/2103.04709 - Full Quaternion Based Attitude Control for a Quadrotor | Fresk and Nikolakopoulos | 2013