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SOLUTION 01

VISION

Infrastructure inspection solution

VISION

PF1-
Vision

Autonomous flight in GPS-denied environments(under bridges, indoors)

ACSL has developed a proprietary visual SLAM (Simultaneous Localization And Mapping) system using cutting edge machine vision technology. With this system, ACSL's PF1-Vision drone can operate autonomously in a variety of settings that are not feasible using traditional GPS-based position sensing. Adding a camera best suited for the purpose of inspection makes PF1-Vision the ultimate inspection machine.

PF1-Vision

Manual flight / Attitude hold mode / GPS position hold mode / GPS waypoint flight, planned-route flight / 920MHz data link (usable up to ≈7km distance) Alerts for all critical systems / "Go home" on user command or data signal loss / Flight recorder

CUSTOMIZED PARTS
GPS denied environment / Laser SLAM / Autonomous flight
PF1-Vision

CORE SET

CORE SET

Typical drones rely on GPS to achieve autonomous flight. However, GPS / GNSS signals are often too weak or unreliable near high structures, under bridges, indoors, etc. ACSL has developed a proprietary machine vision (visual SLAM) algorithm that enables PF1-Vision to compute its position and orientation from the natural landmarks that it discovers with its downward-facing camera.A forward-facing stereo camera combined with ACSL proprietary machine vision algorithms enables PF1-Vision to sense the distance to objects in front of the camera. With this information PF1-Vision can avoid collisions or inspect an object of interest at a desired distance.

SOLUTION
SOLUTI
CASE
ON CASE

  • Bridge inspection
    Enabling detection of cracks as small as 0.1mm. Using PF1-Vision for primary screening helps users to limit arears requiring detailed inspection, thereby minimizing total cost.
  • Factory equipment inspection
    PF1-Vision can fly near pipes and tanks. Using PF1-Vision for regular inspections and high-level screening reduces need for inspecting high and dangerous locations.
  • Building inspection
    GPS/GNSS data is unreliable near high-rise buildings. PF1-Vision can fly in these environments.
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TECHNICAL
FEATURES

FEATURE 01

Visual SLAM

Drones must recognize its own position to achieve autonomous flight. PF1-Vision recognizes its position and orientation with machine vision technology called visual SLAM (Simultaneous Localization and Mapping). The visual SLAM system compares pixel by pixel and selects the most unique visual features in real time (shown as green dots on the photo). Then computes the locations of those features to determine its own position and orientation.

FEATURE 02

Stereo camera

Visual SLAM is realized by utilizing cameras and a GPU on board the drone. PF1-Vision is equipped with a forward-facing stereo camera, a downward-facing camera combined with an on-board NVIDIA JETSON™ TX2 for real time visual SLAM.

FEATURE 03

Distance control with machine vision

Just like human eyes, a forward-facing stereo camera combined with ACSL proprietary machine vision algorithms enables PF1-Vision to sense the distance to objects, as small as 3cm, in front of the camera. With this information PF1-Vision can avoid collisions or inspect an object of interest at a desired distance.

VIEW SPEC

OTHER SOLUTIONS

  • SOLUTION 02 SOLUTION 02 PF-1 Survey

    PF-1 Survey
    Survey and measurement solution
  • SOLUTION 03 SOLUTION 02 PF-1 Survey

    PF-1 Protection
    Disaster relief solution
  • SOLUTION 04 SOLUTION 04 PF-1 Delivery

    PF-1 Delivery
    Delivery solutions
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