Collision avoidance
Continuous three-dimensional sensing of the drone's surroundings, so the platform can stay clear of obstacles and other aircraft without relying on a video feed.
Perception that doesn't depend on visibility.
Toro Detection Systems is building the radar sense that small drones are missing. One compact module that perceives the surroundings, recognises what it is tracking and acts on it. In fog, rain, smoke and darkness, and when a target hides against the terrain.
Every drone will need to see for itself. We are building the sensor.
Small drones are now everywhere, and almost none of them can reliably tell what else is in the air around them.
Cameras and thermal imaging degrade exactly when conditions get hard: fog, rain, smoke, glare, night, or a target sitting against cluttered terrain. Capable airborne radar exists, but at a weight and price built for large aircraft, not for a drone that fits in a backpack.
Hundreds of manufacturers and integrators are building airframes. Very few are building the sensor those airframes need to fly autonomously and safely beyond the pilot's line of sight.
We supply the sensor. We don't compete with the platforms that carry it.
GUARDIAN radar module
GUARDIAN is a radar perception module sized for FPV-class drones. It processes everything on board and hands the flight controller what it needs to act.
Continuous three-dimensional sensing of the drone's surroundings, so the platform can stay clear of obstacles and other aircraft without relying on a video feed.
Onboard AI reads the micro-Doppler signature of each tracked object and identifies what the radar is tracking, not merely that something is there.
Guidance data computed on the module, precise enough to close on a moving aerial target. Terminal guidance is one of the key applications: the radar carries the final approach, when a camera alone cannot be relied on.
Because the module knows what it is looking at, a drone carrying it can do two things at once: keep itself clear of obstacles, and search the airspace for other drones and aerial objects, classifying each one it tracks.
That single capability serves collision avoidance, autonomy, aerial-object detection and counter-UAS applications.
GUARDIAN is interoperable by design. It supports a wide range of flight controllers, with ArduPilot and PX4 supported out of the box.
Radar perception becomes something a drone builder adds to an existing airframe, not a reason to design a new one.
Where this goes
GUARDIAN is the first step. The company we are building supplies sensing to the whole drone industry.
The production module is being engineered to be small, light and affordable enough to design into drones at scale, including airframes that are not expected to come back.
Operations are moving beyond the pilot's line of sight. That takes a drone that perceives uncooperative traffic on its own, in any weather, without a video feed to a human.
Collision avoidance, autonomous flight, aerial-object detection and counter-UAS all draw on the same sensing and classification core. We develop it with the builders who need it.
Classifier research
A classifier is only useful on a small drone if it fits the computing budget of a small module. Our models were designed for that budget from the start, and measured against a conventional CNN benchmark on recorded radar data.
| Model | Operations per classification (bars to scale) | Reduction | Test accuracy |
|---|---|---|---|
| CNN benchmarkConventional spectrogram approach | 1× | 88.6%baseline | |
| TDS high-accuracy modelMost accurate | 4.3× | 95.3%+6.7 points | |
| TDS balanced modelBest accuracy for its cost | 33× | 92.9%+4.3 points |
Operations are the approximate number of multiply-accumulate operations each model needs for one classification, the quantity that governs inference time on embedded processors. Accuracy is measured on a held-out test set of recorded radar data with four classes, including drones, people and background noise, for one radar configuration.
A smaller model means a faster answer. The classifier runs on the module itself, alongside detection and tracking, so the drone does not depend on a ground station or a data link to know what it sees.
A small model means fast inference. Fast inference leaves time to classify many tracked objects within a single radar frame, not just one.
From the most accurate model to one 33 times lighter than the benchmark, the approach scales to the processor and power budget a platform can spare.
How it works
Spinning propellers leave a fine, repeating modulation on a radar echo, known as a micro-Doppler signature. People, animals and background clutter leave different ones. GUARDIAN uses that difference.
The radar picks out objects around the drone and measures where they are and how they move.
Detections are followed from frame to frame, so each object keeps its identity over time.
For each tracked object, the module isolates the part of the radar signal that carries its micro-Doppler signature.
A compact neural network decides what the object is, and the result goes to the flight controller.
Company
Toro Detection Systems is a deep-tech company based in Warsaw, Poland, working on dual-use radar sensing for unmanned aircraft.
The work grew out of university research on radar signal processing and machine-learning classification of UAVs. We took it from theory to a flying proof of concept, and we are now turning it into a product.
We are building the company around this technology now. If any of the three below is you, write to us. We share more detail in conversation than we publish here.
For engineers
For customers and technical partners
For investors
Or write directly to mark@torodetectionsystems.com