Unmanned Patrol Vessel — AI-Powered Trimaran USV for Maritime Operations

Engineered for demanding open-water environments, this advanced Unmanned Surface Vessel (USV) combines a wave-piercing trimaran hull with an intelligent autonomous control system to deliver outstanding speed, endurance, and mission flexibility. Whether operating under full remote command, supervised autonomy, or crewed navigation, the vessel adapts seamlessly to maritime patrol, coastal surveillance, law enforcement support, and emergency rescue — all from a single, highly integrated platform.

Technical Specifications

Parameter	Specification
Hull type	Wave-piercing trimaran
Overall length	13.76 m
Overall beam	6.8 m (main hull 4 m + sponsons 2.8 m)
Full-load displacement	15 t
Maximum speed	30 knots
Maximum range	400 nautical miles
Hull material	Marine-grade aluminum alloy
Propulsion	Twin Yuchai engines, 500 hp × 2, waterjet drive
Control modes	Manned / Remote-controlled / Autonomous
Communications range	400 nautical miles

Onboard Systems

Navigation & Detection The vessel is equipped with a full suite of sensing hardware: electro-optical units covering visible light, infrared thermal imaging, and laser rangefinding; a navigation and surface-search radar; an integrated GNSS/INS navigation system; AIS transponder; and an echo sounder for shallow-water situational awareness.

Communications Multi-layer connectivity is provided through satellite communications (SATCOM), VHF radio, broadband self-organizing mesh networking, and an embedded 5G module — ensuring continuous command links from coastal control centers or vessel-based operators at ranges up to 400 nautical miles.

Enforcement & Rescue Equipment Onboard public-safety equipment includes a high-output loudspeaker (≥ 150 W) for broadcast and hailing, a long-range searchlight (≥ 500 m illumination range), high-visibility warning lights, and a deployable rescue dinghy for rapid response situations.

Intelligent Control The vessel runs the Tianzhi-E intelligent USV control platform — a domestically leading autonomous navigation system — backed by a dedicated navigation computer and a smart power distribution management unit. The system coordinates all onboard subsystems through a unified software architecture.

Four Core Capabilities

01 — All-weather electro-optical surveillance & target tracking The multi-spectral electro-optical payload supports automatic target detection, tracking, and lock-on in both daylight and low-light conditions. Infrared thermal imaging extends operational capability through darkness, haze, and adverse weather, enabling round-the-clock area monitoring without crew exposure.

02 — Maritime hailing & warning Pre-recorded announcements and real-time voice broadcasting via the high-power loudspeaker system, combined with high-visibility warning lights, enable effective remote hailing and deterrence operations — standard tools for coastal enforcement and maritime traffic management.

03 — AI-assisted identification & positioning An integrated AI image recognition engine processes 180° panoramic camera feeds and low-illumination imagery to classify vessel types, read identifiers, and generate coordinate outputs. Situational reports are transmitted automatically to shore-based or vessel-based command centers.

04 — Triple-mode intelligent navigation Operators choose from three control modes — crewed, remote-controlled, or fully autonomous — depending on mission requirements and communications conditions. The autonomous mode supports pre-programmed route following, obstacle avoidance, and multi-vessel coordinated patrol formations.

Performance Advantages at a Glance

The trimaran hull configuration delivers superior seakeeping at speed, maintaining stability and crew/payload safety in rough sea states where conventional monohull vessels lose effectiveness. At 30 knots with a 400 nm operational radius, the platform covers large maritime zones rapidly and returns under its own power. The layered communications architecture — spanning 5G, VHF, satellite, and mesh networks — ensures command continuity even when individual links degrade. Pulling navigation, surveillance, communications, enforcement, and rescue capability into one hull eliminates the need for multiple specialized vessels on the same mission, reducing operational overhead significantly.

Application Scenarios

· Coastal & offshore patrol — Extended-range monitoring of exclusive economic zones, fishing grounds, and shipping lanes

· Maritime surveillance & monitoring — Persistent wide-area coverage using optical, radar, and AIS sensor fusion

· Maritime boundary management — Supporting coastguard and maritime authority operations in sensitive sea areas

· Search & rescue — Rapid deployment of rescue equipment and real-time coordination with response teams

· Manned/unmanned teaming exercises — Integration drills between crewed vessels and USV flotillas for coordinated maritime response

Frequently Asked Questions

Q1: What control modes does the vessel support, and can they be switched mid-mission? The vessel supports three control modes: crewed (on-board operator), remote-controlled (shore-based or vessel-based operator up to 400 nm), and fully autonomous (pre-programmed route or AI-directed). Modes can be transitioned seamlessly mid-mission depending on operational conditions and communications status.

Q2: How does the vessel maintain communications at 400 nautical miles? The onboard communications suite layers multiple independent channels — SATCOM for long-range link, VHF for maritime standard communications, 5G for high-bandwidth data transfer in coastal coverage areas, and a broadband self-organizing mesh network for resilient peer-to-peer connectivity. This multi-path architecture ensures reliable command and data transmission even if individual channels are degraded.

Q3: How does the trimaran design improve performance compared to a standard monohull? The wave-piercing trimaran configuration lowers resistance at high speeds while the twin sponsons provide a wide beam that dramatically reduces roll and pitch in beam seas. The result is a platform that sustains 30-knot transit speeds with lower fuel consumption and improved crew and payload stability compared to an equivalent monohull — a direct advantage in extended-duration operations.

Q4: What does the AI target identification system actually detect and classify? The AI image recognition engine processes video from the 180° panoramic camera array and processes frames in real time to detect, classify, and track surface targets — including vessel types by silhouette and size, and readable hull markings where resolution permits. Detected targets are geo-stamped with coordinates derived from the GNSS/INS and laser rangefinder and logged or transmitted to the command center automatically.

Q5: Can the vessel be deployed in low-visibility or nighttime conditions? Yes. The infrared thermal imaging camera operates independently of ambient light, providing full target detection and tracking capability through darkness, fog, rain, and haze. The long-range searchlight (≥ 500 m range) supplements optical operations when active illumination is required.

Q6: What rescue equipment is carried, and how quickly can it be deployed? The vessel carries a deployable rescue dinghy for rapid personnel recovery, supplemented by the long-range searchlight for locating persons in the water and the high-output loudspeaker for maintaining voice contact with survivors. The autonomous navigation system can plot and execute the fastest route to a distress coordinate without requiring a crewed crew transfer.

Q7: Is the platform suitable for integration into an existing maritime operations center? Yes. The Tianzhi-E intelligent control system outputs data in standard maritime protocols and supports integration with shore-based command-and-control infrastructure. AIS, radar feeds, camera streams, and telemetry are all available for relay to existing maritime operations centers, enabling the USV to function as a forward-deployed sensor and response node within a broader maritime management network.

Unmanned Surface Vessel for Maritime Operations