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Serenitech — Serenity beyond the waterline

AI COGNITIVE ROBOTICS FOR UNDERWATER MANAGEMENT

The underwater eyes of your infrastructure.

Serenitech is an AI cognitive robotics company for the underwater management of critical infrastructure — ports, offshore platforms, subsea structures and the naval industry. Our cognitive robotic units perceive sub-surface physical phenomena — acoustics, vibration, structural motion, bathymetry and hydrodynamics — reason at the edge and act, delivering real-time operational data as a secure cloud service. Behind them: three decades of research in underwater telecommunications, sensors and embedded AI.

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Split view of a container ship moored at a concrete quay: bow and cranes above the waterline; below it, the hull, the quay piles, a sandy channel bottom with sea grass, a sea turtle, a school of fish and two dolphins
  • Ports & terminals
  • Offshore oil & gas
  • Subsea structures
  • Naval industry
  • Monaco
  • Brazil
  • USA

THE PROBLEM

Critical infrastructure depends on what happens under water. Almost none of it is supervised continuously, online.

  • 01

    Depth is decided on old data.

    Under-keel clearance, siltation and dredging priorities still rely on periodic surveys — while the channel changes every tide.

  • 02

    Impacts and fatigue leave no record.

    Berthing collisions, vibration and structural drift on critical structures — piers, dolphins, jacket legs — go unmeasured until a repair, or a dispute.

  • 03

    Blind spots in security and compliance.

    Vessels without AIS, underwater noise limits and environmental reporting are managed without continuous sub-surface evidence.

Underwater view from the channel bottom: vessel hulls above with acoustic rings, one flagged in amber, dolphins beyond

EVERY VESSEL LEAVES A SIGNATURE

Perceived at the channel bottom. Judged against the specification.

Our cognitive robotic units capture the acoustic, hydrodynamic and structural interference of every vessel that transits, compare it with the port's specification and flag the ones that exceed it — including the ones that harm fish and marine mammals.

  • Within specification
  • Out of specification — flagged

THE SOLUTION

One cognitive service. Four sub-surface domains.

Serenitech fuses hydro-acoustic arrays, structural mechanical fields, multi-directional hydrodynamic gradients, acoustic echo-sounding and water-column sensing into a single operational canvas. All instrumentation is encapsulated under abstract functional layers: you consume data, alerts and a digital twin — not hardware.

  • Hydro-acoustics

    sound pressure, spectra, signatures

  • Structural mechanics

    vibration, displacement, impacts

  • Hydrodynamics & bathymetry

    depth, sediment, flow, draft

  • Water column

    temperature, salinity, turbidity, sound speed

AI COGNITIVE ROBOTICS

Perceive. Reason. Act.

  1. 01

    Perceive

    Cognitive robotic units — fixed and mobile, underwater and on the surface — sense the hydro-acoustic, structural and hydrodynamic fields around your critical infrastructure, continuously.

  2. 02

    Reason

    Frugal, physics-informed AI runs inside each unit: it classifies signatures, detects anomalies and adapts its own sampling — with or without a live link to shore.

  3. 03

    Act

    Units raise alerts, cross-verify each other's readings and feed the cloud cognitive engine that fuses every unit into one operational picture: APIs, dashboards and the 3D digital twin.

FIELD VIEWS

What the cognitive units see.

Scenes from the domains we instrument — channel bottoms, quay walls, offshore structures, subsea assets and the hulls above them — with the measurements, sensor nodes and wavefronts our system produces. Open any image to see the detail.

  • Quay wall and moored container ship — under-keel clearance, berthing loads and the propeller's acoustic wavefronts.
    01Quay wall and moored container ship — under-keel clearance, berthing loads and the propeller's acoustic wavefronts.
  • Channel bottom under a transiting vessel — bathymetric surface, dynamic draft and the propeller-and-rudder signature.
    02Channel bottom under a transiting vessel — bathymetric surface, dynamic draft and the propeller-and-rudder signature.
  • Quay wall — structural strain, pile integrity and siltation, measured pile by pile.
    03Quay wall — structural strain, pile integrity and siltation, measured pile by pile.
  • Offshore pipelines under a platform — vibration, scour and integrity mapping.
    04Offshore pipelines under a platform — vibration, scour and integrity mapping.
  • Jacket legs — strain, corrosion and approach detection from sensor nodes on the structure.
    05Jacket legs — strain, corrosion and approach detection from sensor nodes on the structure.
  • Subsea pipeline and manifold — survey grid, sea-floor change and event detection.
    06Subsea pipeline and manifold — survey grid, sea-floor change and event detection.
  • Channel bottom, from the units' point of view — several vessels verified, one flagged out of specification.
    07Channel bottom, from the units' point of view — several vessels verified, one flagged out of specification.
  • Mega-ship propeller — noise and cavitation signature, wavefronts propagating astern.
    08Mega-ship propeller — noise and cavitation signature, wavefronts propagating astern.
  • Cognitive console — digital twin of a demonstration basin as a survey render: multibeam bathymetry and lidar point clouds with vessels and units, UKC numerics, cross-section, acoustic spectrum and events.
    09Cognitive console — digital twin of a demonstration basin as a survey render: multibeam bathymetry and lidar point clouds with vessels and units, UKC numerics, cross-section, acoustic spectrum and events.
  • 3D twin view — berth B12 and turning basin at −15.0/−16.0 m CD: quay face, berthed ship and cognitive units scanned on a 0.5 m grid (synthetic layout).
    103D twin view — berth B12 and turning basin at −15.0/−16.0 m CD: quay face, berthed ship and cognitive units scanned on a 0.5 m grid (synthetic layout).

COGNITIVE SERVICES

Serenitech Cognitive Services

Serenitech Cognitive Services — the cloud layer of our AI cognitive robotics system: a unified, cloud-native platform that turns high-technology sub-surface physical phenomena into granular, real-time operational data streams. Continuous, online supervision of the critical infrastructure: access channel, manoeuvring basins, berthing piers — and, for offshore and subsea operators, the critical structure itself. Every module is engineered under a technical direction with 27 years of research in cross-medium telecommunications, underwater sensor networks, signal processing and edge AI — published at IEEE and protected by patent applications. When a situation calls for it, we also deliver tailor-made advisory.

Architecture mandate
Distinctly moving away from a decentralised, hardware-centric model, the service encapsulates all underlying instrumentation under abstract functional layers, served through low-latency secure APIs to control dashboards, real-time alert systems and a high-fidelity 3D spatial digital twin.

Underwater view of a quay wall with cognitive robotic units and 3D readings

SERVICES

Serenitech Cognitive Services

Module 01

Environmental Noise & Vibration Protection

What we measure

Continuous underwater sound-pressure levels across bands; micro-seismic and low-frequency mechanical energy propagating through piers and quay walls; water temperature and salinity profiles to compute local sound-speed vectors.

What you get

Real-time Acoustic Energy Matrix (dB re 1 µPa) updated across 1/3-octave bands from 10 Hz to 20 kHz; Structural Health Strain Maps with vibration amplitudes, velocity vectors and peak-particle-acceleration anomalies; immediate boundary-exceedance alerts linked to specific harbour sectors.

Why it matters

Proof of compliance with underwater noise limits, protection of marine fauna and structures, evidence for environmental reporting.

Module 02

Automated Digital Vessel Identification

What we measure

High-resolution broadband and narrowband acoustic emission signatures; blade-rate modulation frequencies (fundamental propeller signature); localised low-frequency hydrodynamic pressure signatures and the wake pattern induced by the moving hull.

What you get

Unique Acoustic Fingerprint Profile (engine firing rates, shaft RPM, blade count, harmonic peaks); Hydrodynamic Pressure Profiles estimating hull size, draft and speed; Multi-Influence Verification Matrix cross-referencing real-time footprints with mandatory AIS data; instant Dark Vessel Alerts when unauthorised or silent vessels cross spatial boundaries.

Why it matters

Security of the access channel and restricted zones, verification of declared traffic, forensic record of every movement.

Module 03

Predictive Siltation & Shoaling Intelligence

What we measure

Multi-frequency acoustic backscatter mapping suspended sediment; full-swath bathymetric depth matrices across channels and berthing pockets; local flow velocities and bottom shear-stress vectors.

What you get

Siltation Deposition Velocity Vectors predicting cubic metres of accumulation per grid coordinate per unit time; real-time volumetric deviation charts against historical baselines; automated critical dredging alerts prioritising zones approaching regulatory safety thresholds.

Why it matters

Dredging planned on prediction rather than on periodic surveys — lower dredging cost, no surprise shoaling, documented safety.

Module 04

Dynamic Channel & Berth Draft Monitoring

What we measure

High-density vertical distance matrices between hull and active channel bed; multi-point hydrostatic pressure gradients along the hull; dynamic tidal elevation, water density and wave-induced vertical motion.

What you get

Real-time dynamic vessel draft at bow, stern and midship; continuous Under-Keel Clearance (UKC) safety margins as the ship transits; squat effect and heel/roll analytics; spatial grounding-hazard predictions mapping low-clearance hot spots.

Why it matters

Safer transits, tighter draft windows, more cargo per call — with the evidence to support every decision.

Module 05

Structural Integrity & Berthing Impact Monitoring

What we measure

Autonomous cognitive robotic units fixed to piles, dolphins, fenders, quay walls, mooring structures, jacket legs, risers and subsea assets — three-axis acceleration, angular motion and displacement, shock/impact detection, full vibration spectrum and modal analysis; data carried by underwater wireless links to surface gateways (cellular, satellite or long-range low-power radio) with multi-year autonomy.

What you get

Displacement and drift trends, fatigue and modal signatures, timestamped impact records that identify the responsible vessel in docking collisions, threshold-based anomaly alerts, direct SCADA integration.

Why it matters

Liability and insurance evidence, fewer unplanned repairs, integrity management for critical structures no diver inspects every day.

Module 06

Cloud Platform: APIs, Dashboards, Alerts & Digital Twin

  • APIs

    Developer-centric REST endpoints for structural queries and WebSocket streams for real-time applications; instant integration into VTMIS, SCADA, ERP and PMS.

  • Executive Control Dashboard

    Multi-tenant view of port health — ambient noise indexes, berths within safe UKC, dredging priorities, vessel movement logs.

  • Smart Event Alarms & Policy Enforcement Engine

    Low-latency rules pushing visual, SMS and webhook alerts — environmental violations, security events, safety hazards.

  • 3D Spatial Digital Twin

    Interactive browser-based model with volumetric bed renders, dynamic vessel blocks and sub-surface wavefront overlays.

API sample
GET /v1/channel/bathymetry/mesh
{ "grid_id": "basin_3", "mean_depth_m": 16.42, "siltation_volume_m3": 1420.5, "critical_alert": false }

GET /v1/vessels/signatures/classify
{ "confidence_score": 0.98, "detected_blade_rate_hz": 14.2, "ais_mismatch": true, "classification_tags": ["Dark Vessel", "Capesize Bulk Carrier"] }

GET /v1/environment/acoustic/streams
{ "sector_id": "ch_north_02", "spl_db": 142.3, "frequency_spectrum": { "63hz": 138.1, "125hz": 132.4 } }

Module 07

Advisory & Consulting — engineered case by case

Every port, platform and critical structure is different. Our advisory work is designed case by case by the team that builds the cognitive robotic units, the AI and the underwater links, under the direction of Dr. Thierry Deschamps de Paillette — agrégé, doctor in high-frequency electronics, photonics and systems, 27 years of research in cross-medium telecommunications, underwater sensor networks and edge AI, IEEE author and reviewer. International-level expertise in AI, deep tech and underwater connectivity in demanding conditions, applied to your situation.

  • Applicability & feasibility studies

    Can your channel, terminal, platform or subsea asset be perceived continuously, and what for? We map the phenomena that matter, the units and positions required, the expected data quality and the business case — before any deployment.

  • Environmental impact review

    Underwater noise and vibration assessments for dredging, piling, construction and traffic; baseline campaigns, monitoring plans and the continuous evidence regulators and licensing bodies require.

  • Structural & operational risk assessment

    Berthing and mooring impact studies, dynamic draft and under-keel-clearance policies, siltation and dredging strategy, integrity plans for piers, dolphins, jackets, risers and pipelines.

  • AI & deep-tech architecture advisory

    Independent review and design of sensing, edge-AI, cloud and digital-twin architectures; data strategy, integration with VTMIS, SCADA and ERP, cybersecurity and data governance.

  • Underwater connectivity in demanding conditions

    Design of acoustic and optical links, autonomy and survivability of units in silt-laden, high-traffic and deep-water conditions, deployment and maintenance engineering.

  • Specification, procurement & owner's engineer

    Technical specifications, vendor evaluation, acceptance testing and independent supervision of monitoring programmes, to international standards.

COMMERCIAL MODEL

Monitoring-as-a-Service

Monitoring-as-a-Service subscription — cognitive robotic units installed, owned and maintained by Serenitech; open-book pricing at local market conditions; engineering studies and technology development available as consulting.

TAILOR-MADE ADVISORY

Consulting engineered for your critical infrastructure, not for the average port.

Applicability and feasibility studies, environmental impact reviews, structural and operational risk assessments, AI and deep-tech architecture advisory, underwater connectivity in demanding conditions — delivered case by case, at international level, under a technical direction with 27 years of research in underwater telecommunications, sensors and embedded AI.

See the advisory services
  • Applicability & feasibility
  • Environmental impact review
  • AI & deep-tech architecture

HOW WE WORK

From feasibility study to continuous service.

  1. 01

    Audit & feasibility consulting

    A customised project for your channel, basin, berths or asset: strategic diagnosis of the operation, improvement opportunities, objectives and KPIs, measurement plan and viability assessment — the basis of the definitive project and the services-contract proposal.

  2. 02

    Robotic deployment

    Cognitive robotic units, underwater and on the surface, installed, operated and maintained by Serenitech; no capex for the operator.

  3. 03

    Cloud activation

    APIs, dashboards, alert policies and the digital twin connected to your VTMIS, SCADA or ERP.

  4. 04

    Continuous service

    24/7 monitoring, model updates, environmental and integrity reports — as a subscription under the services contract.

SECTORS

Four sectors, one sub-surface platform.

Offshore platform jacket structure with cognitive robotic units underwater
01

Ports & Terminals

Access channel, manoeuvring basins and berths — the port's critical infrastructure — under continuous, online sub-surface supervision: dynamic draft and UKC, predictive siltation, environmental noise compliance, vessel verification and berthing-impact records. Integrates with VTMIS and port ERPs.

OutcomeSafer transits, optimised dredging, documented compliance, fewer disputes.

Quay wall and moored vessel seen from under water
02

Offshore Oil & Gas

Critical structures — jacket legs, risers, mooring systems and subsea equipment — supervised online for motion, vibration, impact and scour; approach detection of unidentified vessels around the platform; underwater noise monitoring during drilling and construction.

OutcomeIntegrity management with continuous evidence, security perimeter beyond the surface, environmental compliance.

Offshore platform jacket legs underwater with acoustic robotic sensing units
03

Subsea Structures

Critical subsea infrastructure — pipelines, manifolds, cables, outfalls and offshore-wind foundations: structural motion and vibration, sea-floor change and sediment dynamics around the asset, event detection and long-term drift — from cognitive robotic units that need no diver visit for years.

OutcomeFewer inspection campaigns, earlier warnings, a digital twin of the asset on the sea floor.

Subsea pipeline and manifold on the sea floor with survey grid overlay
04

Naval Industry

Shipyards, fleets and naval engineering: underwater radiated noise and acoustic signature measurement of hulls and propellers, signature drift as a condition indicator, basin and dry-dock monitoring, structural instrumentation of hulls and berthing structures — grounded in two decades of signal-processing and underwater-telemetry research.

OutcomeMeasurable acoustic performance and continuous data for design, maintenance and certification support.

Propeller of an ultra-large container ship with acoustic rings and 3D wireframe

TECHNOLOGY

From the sea floor to the API.

Serenitech is an AI cognitive robotics system: units that perceive, reason and act, orchestrated by a cloud cognitive engine. Its architecture descends from two decades of research on underwater telecommunications and sensor networks and from the European AI programmes AI4DI and EdgeAI.

Bathymetric 3D surface over a port channel bottom

Five layers

  1. Interfaces

    REST and WebSocket APIs, executive dashboards, alarm and policy engine, 3D digital twin.

  2. Cloud engine

    Ingestion optimised for massive time-series arrays and spatial data; processing fully decoupled from the harbour hardware; multi-tenant, scalable, secure.

  3. Edge intelligence

    Each unit reasons locally: frugal AI models classify events where they occur, cutting bandwidth and latency.

  4. Connectivity layer

    Underwater wireless links (acoustic and optical) to surface gateways; cellular, satellite and long-range low-power radio backhaul; store-and-forward resilience.

  5. Robotic sensing layer

    Cognitive robotic units carrying hydro-acoustic arrays, inertial and vibration sensing, pressure and distance matrices, echo-sounding and water-column probes (temperature, salinity, turbidity), fixed on structures or deployed in the channel.

L5 · INTERFACES5L4 · CLOUD ENGINE4L3 · EDGE INTELLIGENCE3L2 · COGNITIVE ROBOTIC UNITS2L1 · SENSING1−15.0 m CD · 220 m · 1:3draft 13.8 mcognitive unitssurvey unit · MBES swathquay gatewayedge AI · classification at the sourceacoustic · optical · meshLTE-5G / fibre · TLS · signed measurementsmodel updates ↓cloud cognitive engineREST · WSpolicy engine3D twinREST · WebSocket · dashboards · 3D twin · VTMIS / SCADA / ERP0.11 m/s1 650 kN142 dB re 1 µPaUKC 2.68 macoustics · vibration · bathymetry · hydrodynamics · water column

DIGITAL TWIN

A living 3D model of your harbour — from the bottom up.

  • Colour-coded bathymetric surface with siltation density and critical shallow zones
  • Dynamic vessel blocks with real-time draft, pitch, roll and heel
  • Sub-surface wavefront overlays locating acoustic and structural events
  • All rendered in the browser, fed by the same APIs your systems use
Cognitive console · digital twinLive · 14:02:17 UTC
Serenitech cognitive console: survey-grade 3D view of an access channel and turning basin — multibeam bathymetry in a depth colour ramp, lidar point clouds of quay, cranes and vessels — with numerics, cross-section profile, acoustic spectrum and event log
  • UKC dynamic2.68 m
  • Tide+0.90 m
  • Inbound vessel6.3 kn
  • Blade rate 14.2 Hz142.3 dB
  • MBES pings · units13/s · 24/24
Synthetic demonstration basin — layout is fictional; channel −15.0 m CD, 220 m wide, 1:3 slopes, Ø 600 m turning basin, 347 m / 294 m vessels and tide +0.9 m are Miami/Santos-class figures. Rendered as a multibeam and lidar survey from the same data model the console serves.

AI STACK

Deep tech, built in-house.

  • Frugal edge AI inside every cognitive robotic unit — classification where the signal is born.

  • Physics-informed models — acoustics, hydrodynamics and structural mechanics guide the learning.

  • Layered intelligence — unit → gateway → cloud, resilient to intermittent links.

  • Federated learning and over-the-air model updates across sites.

  • Security by design — encrypted links, signed measurements, role-based access, full audit trail.

  • Research lineage — doctoral work in signal and image computing and in high-frequency electronics, IEEE OCEANS and EuCAP publications on high-data-rate underwater sensors, and the European EdgeAI programme behind our edge-intelligence design.

SECURITY & DATA GOVERNANCE

Security & data governance

  • Encrypted links end to end

  • Signed measurements with immutable audit trail

  • Role-based access per tenant and sector

  • Data residency options per country

  • Integration behind the operator's firewall on request

RESEARCH DNA

Research DNA

High-frequency electronics, photonics, underwater telecommunications, signal processing and AI — a laboratory culture in Monaco and Florianópolis dedicated to the sub-surface environment, rooted in 27 years of research: doctoral work at the L3i laboratory (La Rochelle) and at Orléans, IEEE OCEANS and EuCAP publications on high-data-rate underwater sensors and antennas, reviewing for the IEEE Journal of Oceanic Engineering, two patent applications on AI-driven underwater communication, and the European AI programmes AI4DI and EdgeAI.

COMPANY

A global deep-tech group dedicated to the sub-surface world.

Much of the world's critical infrastructure sits partly under water, and it is supervised almost blind. Serenitech builds the AI cognitive robotics — sensing, connectivity, artificial intelligence and cloud services — on three decades of research in underwater telecommunications, sensors and embedded AI, giving port authorities, offshore operators, subsea asset owners and the naval industry continuous sight, memory and foresight beyond the waterline. The name says it: serenity through technology.

Aerial view of the glass office building of the Brazil headquarters in Sapiens Parque, Florianópolis, beside a lake
Sapiens Parque, Florianópolis — Brazil headquarters and laboratory, in Brazil's largest technology park.

TECHNICAL & SCIENTIFIC DIRECTION

Three decades of research in underwater sensing, telecommunications and embedded AI — at the head of our engineering.

Serenitech is a specialised technical-services company. Its technology, laboratories and product architecture are directed by Dr. Thierry Deschamps de Paillette — agrégé in electrical engineering and electronics, doctor in high-frequency electronics, photonics and systems, with doctoral research in signal and image computing, and 27 years of advanced research applied to cross-medium telecommunication systems, underwater sensor networks, signal processing and edge AI. Industrial products, IEEE publications, patent applications and the European AI programmes AI4DI and EdgeAI form the technical foundation of every service on this page.

  • 27 yearsof advanced research — high-frequency electronics, photonics, systems and AI
  • Agrégé · Ph.D.France's most selective national examination in the discipline; doctorate awarded with félicitations du jury
  • IEEEpublications at OCEANS and EuCAP; reviewer for the IEEE Journal of Oceanic Engineering
  • 2 patent applicationsAI-driven selection of the underwater communication mode (EP · PCT), sole inventor
  • AI4DI · EdgeAIEuropean AI programmes led with large industrial groups and startups
  • 20 yearsof industrial product design — Crouzet, Micrelec, TECHNEXT

Dr. Thierry Deschamps de Paillette

Chief Technology Officer · Technical & scientific direction

Dr. Thierry Deschamps de Paillette is agrégé in electrical engineering and electronics — France's most selective national competitive examination in the discipline — and holds a doctorate from the Université de La Rochelle awarded with félicitations du jury, the highest distinction. He brings a 27-year track record in advanced research across high-frequency electronics, photonics and systems, applied to AI, cybernetics and cross-medium telecommunication systems in cooperation with large industrial groups. His recent research and engineering work covers a new generation of underwater telecommunication and sensor networks. He has designed industrial products for two decades — Crouzet, Micrelec, TECHNEXT — and is the named inventor on patent applications for AI-driven selection of underwater communication mode. A higher-chair professor within the French national academic system, he sat on the national boards that recruit agrégés in engineering sciences. He publishes at IEEE and reviews for the IEEE Journal of Oceanic Engineering, and as an AI advisor, speaker and expert in clusters including Institut EuropIA and Cluster-IA he led the European AI programmes AI4DI and EdgeAI with large industrial groups and startups. At Serenitech he leads technology, laboratories and product architecture — the cognitive robotic units, the underwater communication stack and the AI sensing and edge-intelligence layers.

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    GLOBAL PRESENCE

    Global presence

    • Monaco

      Group headquarters and laboratory; technology development and engineering.

      Avenue J. F. Kennedy, Port Hercule98000 MonacoPrincipality of Monaco

    • Florianópolis, Brazil

      Brazil headquarters with office and laboratory in Sapiens Parque, Brazil's largest technology park; operations for ports, offshore and naval clients in Brazil.

      Avenida Luiz Boiteux Piazza, Sapiens ParqueFlorianópolis, SC, 88056-000Brazil

    • Coral Gables, Florida, USA

      North American operations.

      Valencia AvenueCoral Gables, Florida, 33134United States of America

    • Serenitech Global Corporation

      Holding company of the group and of all its subsidiaries.

    Offshore platform jacket structure seen from beyond the surface

    HOW WE START

    It starts with a strategic diagnosis of your operation.

    A structured, budgeted consulting project, tailored to your channel, terminal, platform or asset and built on deep knowledge of how your operation really works. Its conclusions become the definitive project and the long-term services-contract proposal.

    1. 01

      Strategic diagnosis

      In-depth understanding of the current operation — routines, data, risks and constraints, as they actually happen.

    2. 02

      Improvement opportunities

      Where continuous sub-surface intelligence changes the outcome — located, quantified and prioritised.

    3. 03

      Objectives & KPIs

      The targets and indicators that will measure the definitive project, agreed with your team.

    4. 04

      Definitive project

      Development and deployment plan, budget and the services-contract proposal.

    Request a technical briefing