Drones That Can Flip, Chase, and Catch Each Other Mid-Air Are Getting Very Real
Two new research papers out of arXiv show acrobatic drone control has moved well past party tricks and into genuinely unsettling territory.
By
Two separate research teams have published work this month showing drones can now perform continuous multi-flips, high-speed circular flight, and even chase and physically capture other drones in mid-air. I'll be honest, when I first skimmed these abstracts I thought someone was pulling my leg.
The first paper is the flashier one. A team has put out a framework they're calling TACO, which stands for Target-and-Command-Oriented reinforcement learning, published over at arXiv. The basic idea is that previous acrobatic flight controllers were each built for one specific maneuver. You want a barrel roll, you train a barrel roll controller. You want a flip, different controller. TACO tries to unify all of that into a single policy that you can adjust on the fly, changing flight pattern parameters while the drone is already in the air. They validated it in simulation and in real-world tests, and the results show high-speed circular flights and continuous multi-flips. Not one flip. Multiple flips, back to back.
What caught my attention as someone who spent a lot of years thinking about motion control, the sim-to-real gap problem is the part they've actually done something interesting with. When I was at Kuka, we used to joke that simulation was where robots went to look impressive before reality humbled them. Getting a controller trained in software to behave the same way on physical hardware is genuinely hard, and these researchers address it with something called spectral normalization combined with input-output rescaling, which is aimed at keeping the policy smooth and consistent across both time and space. Whether that fully solves the sim-to-real headache remains unclear, and the paper is based on a fairly controlled set of experiments, but it's a more principled approach than a lot of what I've seen.
À lire aussi
More in Drones
A pair of arXiv preprints tackle the same hard problem in drone control from very different angles. The results are promising, but the gap between 'outdoor experiment' and 'deployed system' remains large.
Aisha Patel · 25 Jun · 9 min
The Air 3S discount is real, but the urgency behind it has less to do with Amazon's sale and more to do with where DJI hardware might be headed.
Mark Kowalski · 23 Jun · 6 min
Procurement is the easy headline. Actually building enough drones, fast enough, with American parts, is the problem nobody's solved yet.
Mark Kowalski · 20 Jun · 7 min
The FCC just removed a narrow category of toy drones from its Covered List. It's a small move, but it tells you something about where the regulatory wind is blowing.


