CHCNAV Apache4 USV Hydrographic Drone

CHCNAV Apache 4 USV

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The Apache 4 USV from CHCNAV is an autonomous hydrographic and bathemetric survey USV.

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Overview

The APACHE 4 from CHCNAV is a hydrographic and bathemetric survey Unmanned Surface Vessel (USV) that supports a wide variety of Acoustic Doppler Current Profiler (ADCP) systems available on the market. It offers an unmanned operation solution with a shallow draft, high navigational accuracy and stable hovering for hydrologists when measuring water flow velocity and discharge of a current section. Very compact, it enables easy handling at the mission site, facilitates safe launching and convenient transportation by car.

The APACHE 4 USV brings together the best of high-accuracy positioning and automated navigation
control technology, built around the operator’s habits when conducting ADCP hydrographic crosssection flow measurements. The built-in adaptive water flow and hovering navigation technology significantly improves the accuracy of flow estimation. Even when GNSS positioning might be degraded by obstructed environments, the internal GNSS+IMU module continues to provide reliable position and heading for the ADCP and autopilot controller.

The APACHE 4 is a perfect solution for obtaining high quality data for flow and velocity measurements in water where manned boat access is impractical, such as in front of dam structures, or where safety is a concern, such as during flood level measurements.

The autonomous control system enables APACHE 4 to navigate straight along the cross-section according to the profile view when the flow rate, turbulence, etc. change. The hovering technology can make APACHE 4 hover stably in the turbulent flow at the start and end points of ADCP observation, thereby improving the accuracy of flow estimation.

Single beam sounding data can be used to verify the accuracy of ADCP bottom tracking data, and even fed directly into the ADCP flow measurement software to compensate for the unavailability of ADCP data, and at the same time provide water depth profile data associated with the flow velocity profile
measurement.

The APACHE 4 central access shaft design provides unmanned cross-sectional flow measurement solutions for the leading ADCPs on the market. The APACHE 4 is particularly suited for hydrologists using ADCP sensors such as the M9, RTDP 1200, RiverPro, and RiverRay who are looking for an integrated, portable, and affordable unmanned solution. It does not only carry the ADCP, but also provides its positioning, orientation, power, waterproofing, network and 4G transmission solutions.

Features

  • Advanced Navigation Controller
  • Compatible with Common ADCP
  • Built-in Single Beam Echo Sounder
  • Smart Positioning and Navigation

Technical Specifications

Physical
Hull Dimension:1200 mm (L) x 750 mm (W) x 300 mm (H)
Material:Macromolecule polyester carbon fiber
Weight (w/o Instument and Battery):9 kg
Maximum Payload:30 kg
Anti-Wave & Wind:3rd wind level and 2nd wave level
Hull Design:Triple-hull vessel
Waterproof:IP65
Draft:10 cm
Indicator Light:Two-color light (Display satellite and positioning status)
Video:360° omnidirectional video
Auto-Return:Automatic return in case of low battery or signal losss
Power
Type:Electric
Propeller Type:Brushless DC
Direction Control:Veering without steering engine
Maximum Motor Power:700 W
Maximum Motor Speed:7000 rpm
Li-ion Battery:4 x 40,000 mAh, 18.5 V
Battery Endurance:2 x 2 hours @ 2 m/s (running on 2 battery sets)
Top Speed:5 m/s
Communications
Data Communication:Network bridge: 1 km and 4G: unlimited
R/C Communication:2.4 GHz
Remote Control Range:1 km
SIM Card Slot:nano SIM
Interface:2 x RJ45 port
2 x RS232 serial port
1 x RS485 serial port
1 x PPS
Navigation Mode:Manual or Auto-Pilot
Waterproof (Master Control):IP67
Data Storage:Local multi-sessions and FTP push
Positioning
Satellite System:GPS L1/L2
GLONASS L1/L2
Galileo E1/E5
BeiDou B1/B2
SBAS
QZSS
Channel:432 channels
Single Point Position (RMS):Horizontal: 1.5 m
Vertical: 2.5 m
SBAS Positioning Accuracy:Horizontal: 0.5 m
Vertical: 0.85 m
DGNSS Positioning Accuracy:Horizontal: 0.4 m + 1ppm
Vertical: 0.85 m + 1ppm
RTK Positioning Accuracy:Horizontal: ±8 mm + 1ppm
Vertical: ±15 mm + 1ppm
Heading Accuracy:0.2° @1 m baseline
Inertial Navigation Accuracy:6°/h
D230 Singlebeam Echo Sounder
Data Type:CHCGD, NMEA SDDPT/SDDBT, original waveform
Weight:1.1 kg
Sounding Range:0.15 m to 200 m
Sounding Accuracy:±0.01 m + 0.1% x D (D is the depth of water)
Resolution:0.01 m
Frequency:200 kHz
Beam Angle:6.5° ± 1°
Supply Voltage:10-30 V DC/ 220 V AC
Software
Hydro Survey:Data collection and post-processing, coordinate conversion
Auto Planner:Path planning, autonomous navigation, hull parameter control, multi-angle video
display

Video

Ordering

The Apache 4 hydrographic and bathemetric survey USV from CHCNAV is available through Canal Geomatics. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.

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