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Case Study - Underground Railroad Tunnels in a Large Metropolitan City Perimeter & Tunnel Intrusion Detection

August 29, 2023  | 


A large municipality in California was experiencing a large number of missed alarms in its underground railroad areas due to the complexity of the environment and challenging terrain/lighting. No alarms were raised when people went on the train tracks which could lead to fatalities This was proving to be a very costly liability issue and traditional surveillance systems could not even come close to addressing this challenge.

Quanergy Solution

A solution  that combines Quanergy’s long-range 3D LiDAR sensors with advanced perception software, Q-track, was deployed over a very diverse environment consisting of a large number of occlusions and uneven lighting, enabled hyper accurate detection and tracking of people in all areas, and most importantly train tracks, thus preventing potentially fatal accidents.


Quanergy’s solution was the only one that resulted in 100% accurate detection of pedestrians on train tracks. Other solutions failed due to the high number of occlusions and non ideal lighting conditions.

Solution Overview

Quanergy’s LiDAR-based portfolio is rapidly becoming the security solution of choice for critical infrastructure sites with over 100 sites already deployed including large municipalities. Due to its ability to combat alarm fatigue by dramatically reducing costly false alarms, Quanergy’s solutions bring the operators’ attention to what really matters most by focusing on real threats and providing actionable insights with hyper accuracy. After deploying Quanergy’s solutions, which results in an extremely accurate detection and tracking of objects, smart city/municipality customers get a robust and hyper accurate perimeter intrusion detection (PID) system which ensures that no urgent alarms are missed, thus avoiding bad outcomes such as injuries or even fatalities. This is true even when dealing with uneven terrain, a large number of obstacles/occlusion, or uneven/bad lighting conditions.

Quanergy’s solutions allow customers to keep leveraging existing investments by augmenting their camera-based PID systems, enabling them to locate with unprecedented level accuracy the exact location of a potential intruder. Quanergy’s solution addresses all major mission-critical security use cases including perimeter intrusion detection, server rack and cabinet security, mobile security towers, man trap/vestibule access controls, and rooftop security through the following core competencies:

  • 3D Real-time Proactive Awareness: Comprehensive 360° view of your surroundings for proactive decision-making.
  • Privacy-Assured Operation: Q-Track does not capture any personally identifiable information (PII), ensuring privacy compliance and safeguarding sensitive data.
  • Wide Coverage with High Accuracy: Each Q-Track sensor provides an impressive coverage area of 165,000 square feet (15,000 square meters), ensuring high accuracy in object detection, tracking, and classification of people, vehicles, and sub-vehicles.
  • Low Cost Per Square Foot: Each sensor can classify objects at 420 feet/140 meters, therefore dramatically reducing the number of sensors, cables, networking ports and installation runs to deliver industry leading total cost of ownership
  • Drastic Reduction of False Alarms: Reduce costly false alarms by greater than 95% thanks to Q-Track’s innovative features such as occlusion filter & motion threshold filter
  • Simultaneous Tracking of 600 Objects: With Q-Track, you can track up to 600 unique objects simultaneously, ensuring comprehensive monitoring of your environment.
  • Continuous Object Tracking with Sensor Fusion: Our sensor fusion technology enables continuous object tracking in virtually unlimited areas, providing a reliable and continuous monitoring solution.
  • Unlimited Range with Mesh Network: Create a mesh network of sensors and servers to continuously track objects over an unlimited range, allowing for flexible and scalable deployments.
  • Speed, Direction, and Geolocation Detection: Q-Track can accurately detect the speed, direction, and geolocation of objects, enabling you to respond promptly to potential threats.
  • Reliable Performance in Harsh Environments: Q-Track is designed to operate reliably in harsh environmental conditions, ensuring continuous surveillance without compromise.
  • NDAA Compliance: Our solution is fully compliant with the National Defense Authorization Act (NDAA), ensuring adherence to regulatory standards.
  • Seamless Integration with Existing Systems: Q-Track seamlessly enhances existing security systems through a large ecosystem of integrations with VMSes, cameras, access control solutions, PSIMs, and analytics solutions.

Buying Flexibility: Budget this advanced solution as a capital expense (CAPEX) or an operating expense (OPEX) via the Security as a Service subscription

Tags:  Smart City