Sonair Introduces a New Era of Safety Perception for Industrial Robots
Sonair has officially unveiled ADAR One, a safety-certified 3D ultrasonic sensor developed specifically for autonomous mobile robots (AMRs), collaborative robots, and industrial automation systems. Unlike conventional safety sensors that primarily rely on two-dimensional detection, ADAR One delivers full three-dimensional spatial awareness, allowing robots to identify people and obstacles with greater accuracy in complex industrial environments.
The company positions the product as the world’s first safety-certified 3D ultrasonic sensing solution, marking an important milestone in the evolution of industrial robot perception technologies.
Moving Beyond the Limitations of Traditional 2D Safety Systems
Most industrial mobile robots today depend heavily on 2D LiDAR for functional safety. While LiDAR has proven reliable, it also presents several practical limitations. It mainly monitors a single scanning plane, making it difficult to detect objects located above or below that plane. As warehouses and production facilities become increasingly dynamic, these blind spots create additional engineering challenges.
ADAR One approaches the problem differently. Using Acoustic Detection and Ranging (ADAR) technology, the sensor generates three-dimensional environmental awareness through ultrasonic waves instead of laser light. This enables robots to recognize obstacles regardless of lighting conditions, dust, smoke, reflective surfaces, or transparent materials that can sometimes interfere with optical sensing technologies.
From an engineering perspective, this represents an important complementary sensing method rather than a direct replacement for cameras or LiDAR.
Comprehensive Functional Safety Certification
One of the strongest aspects of ADAR One is its extensive safety certification portfolio.
The sensor has been evaluated as a human-protection device according to IEC 61496, the international standard governing electro-sensitive protective equipment used in industrial machinery.
In addition, Sonair states that the product complies with:
- IEC 61508 for functional safety of electrical and electronic safety systems
- ISO 13849 for safety-related control system components
- Safety Integrity Level (SIL) 2
- Performance Level (PL) d
- Probability of dangerous failure below 1.5 × 10⁻⁷ per hour
The sensor has also obtained EC Type Examination certification from exida under the European Machinery Directive, providing additional confidence for manufacturers seeking compliance within European industrial markets.
These certifications significantly reduce the integration burden for machine builders and system integrators that must satisfy increasingly strict safety regulations.
Designed for the Next Generation of Autonomous Robots
Another notable advantage of ADAR One is its compact mechanical design.
Unlike many external sensing solutions that require bulky mounting brackets, Sonair designed the sensor to be embedded flush into robotic structures. This makes it particularly attractive for manufacturers developing next-generation humanoid robots, where maintaining a compact exterior while preserving reliable safety perception is becoming increasingly important.
The embedded architecture also simplifies industrial robot design by reducing exposed hardware and minimizing potential mechanical damage during operation.
Benefits Across Multiple Industrial Applications
Sonair highlights several industries and user groups that can benefit from the new sensor.
For autonomous mobile robot manufacturers, ADAR One offers a certified 3D safety solution that may reduce dependence on multiple LiDAR units, potentially lowering both hardware costs and system complexity.
System integrators can incorporate the sensor into AMRs, AGVs, and collaborative robotic systems using a plug-and-play approach while meeting established safety requirements.
Humanoid robot developers gain an embedded sensing solution capable of delivering certified human detection without significantly altering robot body structures.
Warehouse operators and logistics providers also benefit from deploying robots within safety-certified architectures that align more easily with insurance, regulatory, and liability requirements.
Rust Programming Adds Another Layer of Reliability
An interesting technical detail is Sonair’s claim that ADAR One is the first safety-certified embedded system developed using the Rust programming language.
Rust has gained widespread attention in recent years because of its memory safety model, which helps eliminate common programming issues such as buffer overflows, null pointer dereferencing, and memory leaks. These characteristics are particularly valuable for safety-critical industrial systems where software reliability directly affects operational safety.
Although programming language choice alone does not guarantee safer products, adopting Rust reflects a broader industry trend toward building more dependable embedded control systems.
My Perspective: Multi-Sensor Fusion Will Define the Future of Industrial Robotics
From my experience in industrial automation engineering, I believe Sonair’s announcement reflects a much larger shift occurring across the robotics industry.
No single sensing technology can reliably handle every industrial scenario. Cameras perform exceptionally well for object recognition but struggle in poor lighting. LiDAR provides accurate distance measurements but may encounter challenges with transparent or reflective surfaces. Ultrasonic sensing, meanwhile, offers stable performance under environmental conditions that often challenge optical technologies.
Rather than replacing existing sensors, ADAR One is most valuable as part of a multi-sensor fusion architecture. Combining ultrasonic sensing with LiDAR, cameras, inertial sensors, and AI-based perception algorithms can significantly improve overall system robustness while reducing the likelihood of missed detections.
As industrial facilities continue adopting autonomous robots and humanoid systems, safety-certified 3D perception technologies like ADAR One are likely to become an increasingly important component of future automation platforms.
Conclusion
Sonair’s ADAR One introduces a fresh approach to industrial robot safety by combining three-dimensional ultrasonic perception with internationally recognized functional safety certifications. Its compact design, broad compliance portfolio, and compatibility with emerging robotic platforms make it an attractive option for manufacturers developing safer autonomous systems.
While optical sensors will continue to play a central role in robotic perception, the addition of certified ultrasonic 3D sensing provides engineers with another reliable tool for building more intelligent, resilient, and human-friendly automation solutions. As the robotics industry moves toward closer human-machine collaboration, diversified sensing technologies will become essential for achieving both operational efficiency and uncompromising safety.
