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Written by: Maria Zavarce

Contributor: Lukas Wilgosh 

Why SLAM LiDAR is Essential for Precision Mapping in Complex Environments

November 14, 2024

4 minutes read

The need for precise, efficient, and autonomous mapping has become essential in various industries. SLAM (Simultaneous Localization and Mapping) technology combined with LiDAR has emerged as a leading solution for high-accuracy 3D mapping in challenging environments. This article explains how SLAM LiDAR mapping works, its key benefits, applications, and why Exyn Nexys is setting a new standard in mapping technology.

What is SLAM LiDAR Mapping?

SLAM LiDAR mapping is a process that uses LiDAR sensors and SLAM algorithms to create real-time 3D maps while simultaneously tracking the device’s location within an environment. This capability is vital in settings where GPS may not be reliable, such as underground or densely built areas.

 

Here’s how it works:

 

LiDAR sends out laser pulses and calculates distances based on the time it takes for each pulse to reflect back, creating a dense map of the surroundings.


SLAM algorithms use these data points to continuously map the environment while recognizing previously mapped areas, enabling real-time mapping without relying on GPS.

What Benefits Does SLAM LiDAR Offer?

One of the primary advantages of SLAM LiDAR technology is its autonomy in GPS-denied environments. SLAM LiDAR can capture accurate data without relying on GPS, making it essential for mapping in enclosed spaces, underground sites, or areas with limited satellite visibility. This ability ensures that mapping can continue uninterrupted in places where GPS signals are weak or nonexistent.

 

SLAM LiDAR mapping also provides high accuracy and precision, combining SLAM algorithms with LiDAR technology to achieve survey-grade accuracy, often within a 5mm margin at a 1-sigma level. This degree of accuracy enables users to create highly detailed and reliable maps for various applications. Furthermore, modern SLAM LiDAR devices like the Exyn Nexys support real-time data processing and visualization, allowing users to view maps instantly and adjust scanning parameters as they go, optimizing data quality and efficiency.

 

The versatility of SLAM LiDAR across multiple platforms is another key benefit. Whether mounted on handheld devices, backpacks, drones, or ground-based robots, these systems can adapt to various configurations. This flexibility allows a single device to be deployed across diverse mapping scenarios. 

 

Discover How Exyn Nexys Transforms Construction Site Mapping and Management in this blog post

About the Exyn Nexys SLAM LiDAR Payload

The Exyn Nexys Payload brings together state-of-the-art autonomy algorithms with high-precision, SLAM based LiDAR scanning to deliver accurate, survey-grade mapping capabilities. This advanced system is designed to boost efficiency, safety, and flexibility for professionals in various fields.

What Makes Nexys the Most Advanced Autonomous Navigation System?

Nexys stands out for its ability to perform autonomous mapping without constant piloting. Thanks to its modular design, users can easily configure the device for handheld, aerial, or vehicle-mounted applications, meeting IP67 standards for durability and reliability. This adaptability allows for rapid deployment in diverse environments, ensuring high-quality data capture with up to 1.9 million scan points per second and map accuracy of ±5mm. The payload’s 360° horizontal field of view and 3.2 MP resolution provide comprehensive visual and data coverage, making it ideal for high-detail projects.

High Speed, Accuracy, and Real-Time Data Processing

Nexys can capture up to 2 million points per second with a high precision level of 5mm, ensuring that users can obtain precise spatial data in real time. Nexys also supports on-site data processing and colourization, allowing users to visualize, verify, and adjust mapping data immediately. This feature minimizes the need for rework, providing assurance that scans are complete and accurate before leaving the site.

Versatile Design and Rugged Reliability

Built to withstand the toughest conditions, Nexys meets IP67 standards, allowing it to operate seamlessly in harsh or hazardous environments. Its modular design accommodates diverse use cases, whether mounted on drones, industrial vehicles, or handheld. The Nexys system is easily adaptable to meet the demands of any mapping project, and the Drone Link integration allows for drone deployment, enabling operators to conduct safe, autonomous flights in high-risk zones.

ExynAero DJ34: Autonomy for High-Risk Environments

The ExynAero DJ34, powered by the Nexys system, brings autonomous aerial mapping to high-risk industries. Equipped with collision avoidance, BVLOS (Beyond Visual Line of Sight) capabilities, and a rugged design, this drone can autonomously navigate complex and hazardous settings, ensuring safe and precise data collection. With over 20 minutes of flight time and a gimbaled LiDAR and 4K camera, the ExynAero DJ34 provides detailed 3D maps and high-resolution video for actionable insights.

On-the-Go Customization and Comprehensive Visualization

Nexys empowers users with full control and flexibility, thanks to its modular and customizable design. From handheld to vehicle-mounted configurations, users can switch setups easily. The real-time visualization feature and ExynView mission control software provide actionable, high-resolution data streams, allowing users to make on-site adjustments and ensure complete, accurate mapping.

Learn More

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Give us a call or drop by anytime, we will answer all enquiries within 24 hours on business days. We will be happy to answer your questions.

About the Author

Maria Zavarce, Marketing Coordinator at Measur, brings over two years of specialized experience in the drones and robotics industry. Combining her knowledge of emerging technologies with 8+ years of inbound marketing and SEO, she provides actionable insights into the transformative power of advanced solutions.

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