A “Must-Have” Sensor for High-Dust Environments: Successful Application Case of Nanoradar Radar on Mining Trucks
2026-05-28
Abstract
Haul trucks are the core equipment for mine transportation,
A complex operational environment characterized by high dust levels, low visibility, and adverse weather conditions,
Stringent reliability requirements have been imposed on its forward and backward obstacle‑avoidance systems.
How can we ensure continuous, stable perception and operational safety under harsh working conditions?
Nanoradar’s millimeter-wave radar has provided the answer.
I. Customer Pain Points
Dust concentrations in mining areas are high, and blind spots are extensive; more than 60% of accidents are linked to visual blind spots. Moreover, GPS signals underground are weak, making it difficult to determine the vehicle’s speed.
Cameras are susceptible to backlight and nighttime conditions, leading to inaccurate speed measurements, while LiDAR performance degrades in high-dust environments and cannot measure speed. In contrast, millimeter-wave radar offers all‑day, all‑weather operation and serves as a critical enabler for the safe and stable operation of mining trucks.
II. Millimeter-Wave Radar–Based Front and Rear Obstacle Avoidance and Autonomous Speed Measurement Scheme
Radar sensors are mounted at the front and rear of the vehicle, enabling reliable operation even in harsh mine environments characterized by high dust levels and muddy conditions. They continuously measure target distance, velocity, and the vehicle’s own speed. When the vehicle enters a hazardous zone, an immediate alert is triggered; if the driver fails to respond promptly, the customer‑side system automatically initiates emergency braking within 0.4 seconds. 
III. Success Stories
Case 1: Front-and-Back Obstacle Avoidance Application for Mining Trucks
The Nanoradar SF73F obstacle‑avoidance radar is mounted at the front and rear of the vehicle, enabling stable detection of targets up to 40 meters away even in dusty or muddy conditions. To address false alarms caused by vehicle steering and uneven road surfaces, the radar fuses data from the vehicle’s steering angle and pitch angle, implementing intelligent false‑alarm filtering that reduces the false alarm rate by more than twofold, thereby further enhancing the reliability of obstacle avoidance for mining trucks.
Case 2: On-Site Vehicle Speed Measurement Application
The Nanoradar SR71 obstacle‑avoidance radar is deployed on underground mining vehicles. Leveraging its built-in speed‑measurement capability, it continuously acquires real-time vehicle speed data, providing stable and reliable velocity information for vehicle control and active safety systems.
IV. A Reliable Choice for Construction Machinery Safety: The Nanoradar In-Vehicle Radar Product Family
Nanoradar’s six automotive radar models offer a detection range of 20–170 meters, performing reliably in adverse conditions such as rain, snow, and fog, and enabling all‑day, all‑weather sensing. They deliver point‑cloud data at 1,200 points per frame, with a compact footprint of just 40 × 40 mm, and support multiple interfaces including UART, CAN, and RS‑485, facilitating seamless integration for customers.
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