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Enhancing Sand Bank Monitoring with High-Frequency Sensors

Explore the integration of high-frequency sensors like altimeters and acoustic transducers for sand bank volume monitoring and obstacle avoidance in fresh water tanks. This project aims to test different sensor configurations with varying fin lengths to improve navigation and obstacle detection in aquatic environments. The sensors' performance parameters and implant possibilities for payload integration are key considerations in this study. Scheduled trials will assess the effectiveness of different sensor placements in enhancing navigation and avoiding obstacles in real-world conditions.

johnnysnyder
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Enhancing Sand Bank Monitoring with High-Frequency Sensors

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  1. SUMARE PAYLOAD

  2. CONTENTS • Objectives. • Sensors choice. • Sensors performances. • Implant possibilities. • Sensors conditioning. • Schedule. • Sensors integration drawings. • Fins navigation trials. • Fresh water tank measurement sensors. 2

  3. OBJECTIVES The “Payload” will assume two main operational functions. • Monitoring of the volumetric evolution of sand banks. • Obstacles avoidance. 3

  4. SENSORS CHOICE Altimeter. Acoustic high frequency transducer ( Resolution) Obstacles avoidance. The inner Mauve transducer is not available (Software limits / Discrimination). The transducer is the same than for altimeter. 4

  5. SENSORS PERFORMANCES Measurement limit : 50 m Measurement mode : Free run Measurement speed : 10 Hz Power supply : 12 or 24 VDC Interface : RS 232 or RS 485 Frequency : 500 kHz Conical beam : 6° 5

  6. IMPLANT POSSIBILITIES 1 : Risk on Payload structure (depth) Obstacle avoidance sensor not possible. 2 : Risk on launching. 3 : chosen solution 6

  7. SENSORS CONDITIONING Conditioning electronic : two output Two output are available on MMNS 1 RS 232 1 RS 485 The two electronic signal conditioning units will be connected on these outputs 7

  8. SCHEDULE 8

  9. SENSORS INTEGRATION. 4 configurations will be tested at sea. • 1 :Fins 60 mm long in front of the payload. • 2 :Fins 60 mm long in back of the payload. • 3 :Fins 120 mm long in front of the payload. • 4 :Fins 120 mm long in back of the payload. 9

  10. 1 :Fins 60 mm long in front of the payload. 10

  11. 1 :Fins 60 mm long in back of the payload. 11

  12. 3 :Fins 120 mm long in front of the payload. 12

  13. 4 :Fins 120 mm long in back of the payload. 13

  14. fins with their moulds 14

  15. FRESH WATER TANK MEASUREMENT SENSORS 15

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