DVL A50 – Smallest DVL

Description

A Doppler Velocity Log (DVL) is an advanced underwater navigation instrument that utilizes the Doppler effect to measure a vehicle’s velocity relative to the seabed. By emitting acoustic signals and analyzing their reflections, DVLs provide precise velocity data, which is crucial for the accurate positioning and control of underwater vehicles such as Remotely Operated Vehicles (ROVs) and Autonomous Underwater Vehicles (AUVs).​

Introducing the DVL A50: The World’s Smallest Doppler Velocity Log

The DVL A50 stands out as the world’s smallest commercially available Doppler Velocity Log, setting a new standard in subsea navigation technology. Its compact design, with a diameter of just 66 mm and a submerged weight of 105 grams, makes it exceptionally suitable for integration into small underwater platforms where space and weight are critical considerations.​

Key Features of the DVL A50:

• Compact and Lightweight: With dimensions of 66 mm in diameter and 25 mm in height, and weighing 0.17 kg in air (0.105 kg submerged), the DVL A50 is designed for seamless integration into small underwater vehicles without significantly impacting their dynamics.​

• High-Performance Acoustic System: Operating at a frequency of 1 MHz, the DVL A50 employs a four-beam convex Janus array transducer setup with a beam angle of 22.5 degrees. This configuration enables accurate velocity tracking and precise altitude measurements.​

• Depth and Altitude Capabilities: Capable of functioning at depths up to 300 meters, the DVL A50 offers a minimum altitude operation as low as 5 cm and can track the seabed at altitudes up to 50 meters, depending on environmental conditions.​

• Integrated Sensors: The inclusion of an Attitude and Heading Reference System (AHRS) enhances the DVL A50’s navigation capabilities by providing critical orientation data.​

• Versatile Communication Interfaces: Equipped with Ethernet and Serial (UART 115200 baud) communication options, the DVL A50 facilitates seamless integration with various control systems.​

• Energy Efficiency: The device operates with a power consumption of approximately 3 W, supporting input voltages ranging from 10 to 30 Vdc, which is advantageous for battery-operated platforms.​

Applications of the DVL A50:

The compact size and high accuracy of the DVL A50 make it particularly suitable for:​

• Remotely Operated Vehicles (ROVs): Enhances stability and control, allowing operators to maintain position effectively during inspections or tool operations.​

• Autonomous Underwater Vehicles (AUVs): Provides essential navigation data for long-range missions without reliance on surface communication, crucial for tasks like bathymetric surveys and environmental monitoring.​

• Underwater Drones: Facilitates precise maneuvering and position-holding capabilities, beneficial for detailed inspections and data collection in confined or complex environments.​

Doppler Velocity Log Performance and Accuracy:

The DVL A50 offers long-term velocity measurement accuracy of ±1.01% in its standard version and ±0.1% in the performance version. This level of precision ensures reliable data for critical underwater operations.​

Integration and Compatibility:

Designed with an open interface protocol, the DVL A50 supports straightforward integration into various underwater platforms. Its compatibility with different communication protocols and physical interfaces simplifies the process of enhancing existing systems with advanced navigation capabilities.​

Enhancing Underwater Navigation with the DVL A50 Doppler Velocity Log

The DVL A50 represents a significant advancement in underwater navigation technology, offering an unparalleled combination of compactness, precision, and affordability. Its innovative design and robust performance make it an invaluable tool for a wide range of subsea applications, including scientific research, marine exploration, and industrial inspections.