IMWTS 26 SAA tu 1055

Introduction to Mine Countermeasure Operations

Importance of Geopolitical Context

• The speaker, Mr. Gee Lubhan from Talis, emphasizes the significance of mine countermeasure missions amid rising geopolitical tensions, particularly in global theaters like the Black Sea and AIA Pacific.

Overview of SAMDS Multiaspect SAS Sonar

• Mr. Lubhan introduces two new smart functions: Interferometric Volume Search Sonar (IVSS) and Circular Synthetic Aperture Sonar (CESAS), which enhance operational capabilities since their last presentation at Minara 25.

Operational Interest of Talis SAS Sonar

Advantages of Synthetic Aperture Sonar (SAS)

• SAS is recognized as the preferred sonar for navies involved in mine countermeasure operations due to its high-resolution imaging capabilities over extended ranges compared to conventional sonar systems.

• While SAS improves detection and classification rates, it also increases data volume, leading to higher cognitive workload for operators and a greater chance of false classifications. This can reduce mission efficiency.

Multi-aspect Navigation Techniques

Enhancing Detection through Multi-aspect Techniques

• Many navies utilize multi-aspect navigation techniques such as square or circular search patterns around mine-like objects to improve detection quality by providing multiple views, thus reducing false classification rates. However, this approach can extend mission duration and require more vehicles for timely completion.

Introduction of SADIS Technology

Development of SADIS

• Talis has developed a multiview synthetic aperture detection and imaging sonar called SADIS that generates three high-resolution views in a single track, significantly improving efficiency without needing additional vehicles or extensive navigation techniques.

• SADIS has demonstrated impressive operational results with high probabilities of detection (100%) and classification (>95%) while maintaining low false classification rates (<2%). These results were validated during challenging operations with the Royal Navy and Marine Nationale in late 2020.

Conceptual Understanding of Single Pass Multi-aspect Imaging

Efficiency Gains with Multi-aspect Imaging

• The unique concept allows each object to be viewed from three angles in one pass, enabling faster mission execution—two to five times quicker than traditional methods—and effective operation even in challenging environments without requiring multiple vehicles or complex software integration.

Smart Capabilities Enhancement

New Software-enabled Functions

• The introduction of software-enabled functions enhances existing payload capabilities without hardware changes; these include IVSS for detecting threats efficiently while saving space on vessels by eliminating the need for separate forward-looking sonars. Additionally, CESAS offers improved acoustic identification performance on low confidence targets through enhanced resolution techniques.

Interferometric Volume Search Sonar Objectives

Operational Goals

• The primary goal is to detect mines with specific target strengths within defined depths using existing SAMD sonar technology while ensuring no risk to carriers during operations by utilizing other systems for surface coverage first before deploying IVSS technology deeper underwater.

Real Performance Metrics

Demonstrated Effectiveness

• During trials conducted at various depths (e.g., 30 meters), significant achievements included a maximum horizontal range detection capability exceeding 250 meters with vertical localization errors as low as 25 cm; these metrics indicate near-perfect performance levels under real conditions using automatic target recognition systems.

Circular Synthetic Aperture Sonar Applications

Use Cases for CESAS

• CESAS aims to enhance target analysis through circular trajectories allowing faster acoustic identification at sub-centimeter resolutions; this method is particularly beneficial when dealing with targets exhibiting low sonar contact confidence levels while minimizing repeated inspections needed during missions.

Examples from Trials

1. First Example: Demonstrated successful identification during sea trials seven years ago.

2. Recent Trials: Showcased advanced capabilities alongside IVSS demonstrations confirming effectiveness against various underwater targets including fish pots and potential obstructions like ropes laid vertically rather than horizontally on the seabed.

These examples illustrate how CESAS provides critical insights into target positioning that may not be apparent through conventional imaging methods alone.

Conclusion on Smart Function Integration

Future Directions

• The introduction of smart functions marks progress towards autonomous decision-making in mine countermeasure operations; ongoing developments promise further enhancements without necessitating hardware modifications.

Key Takeaways:

1. Game-Changing Technologies: Both IVSS and CESAS represent significant advancements in maritime security technologies capable of addressing modern challenges effectively.

2. Operational Readiness: Continuous testing demonstrates reliability under diverse conditions affirming their readiness for deployment across various naval forces globally.

This comprehensive overview encapsulates key discussions presented by Mr. Lubhan regarding innovative solutions aimed at enhancing mine countermeasures amidst evolving geopolitical landscapes while ensuring operational efficiency remains paramount throughout all engagements.