Results 101 to 110 of about 1,860 (185)

Seakeeping of Hydrofoil-Equipped Unmanned Surface VehicleBased on LQR and ZOA

open access: yes水下无人系统学报
To evaluate the seakeeping of a hydrofoil-equipped unmanned surface vessel(USV), a linear quadratic regulator(LQR) was adopted, and its parameters were optimized using the zebra optimization algorithm(ZOA), with the amplitudes of roll, pitch, and heave ...
Xinhua SHUI, Fuhai DUAN
doaj   +1 more source

Systems approach to defeating Maritime Improvised Explosive Devices in U.S. ports [PDF]

open access: yes, 2008
Includes supplementary materialInsight gained from terrorist attacks, training excercises, and intelligence intercepts over the past few years has shown a renewed interest in the use of mining as an effective means of disrupting commerce and damaging ...
Causee, Christopher   +10 more
core  

Organic over-the-horizon targeting for the 2025 surface fleet [PDF]

open access: yes, 2015
Please note that this activity was not conducted in accordance with Federal, DOD, and Navy Human Research Protection RegulationsAdversarial advances in the proliferation of anti-access/area-denial (A2/AD) techniques requires an innovative approach to the
Cohort 21   +16 more
core  

TOWARD A MULTI-AGENT SYSTEM FOR MARINE OBSERVATION [PDF]

open access: yes, 2016
Manning, A   +4 more
core   +2 more sources

Unmanned Systems Sentinel / 11 January 2016 [PDF]

open access: yes, 2016
Approved for public release; distribution is ...

core  

Path following of an underactuated AUV based on fuzzy backstepping sliding mode control

open access: yes, 2016
This paper addresses the path following problem of an underactuated autonomous underwater vehicle (AUV) with the aim of dealing with parameter uncertainties and current disturbances. An adaptive robust control system was proposed by employing fuzzy logic,
Blake, James   +4 more
core   +1 more source

Robust Fixed-Time Fault-Tolerant Control for USV with Prescribed Tracking Performance

open access: yesJournal of Marine Science and Engineering
The unmanned surface vessel (USV) is an emerging marine tool with its advantages of automation and intelligence in recent years; the good trajectory tracking performance is an important capability. This paper proposes a novel prescribed performance fixed-
Zifu Li, Kai Lei
doaj   +1 more source

Dynamic Obstacle Avoidance Algorithm for Unmanned Vessels Based on FDWA and IBA*—IGWO Fusion

open access: yesJournal of Marine Science and Engineering
This paper proposes a dynamic obstacle-avoidance algorithm for unmanned surface vehicles (USVs) that combines a Fuzzy-enhanced Dynamic Window Approach (FDWA) with an Improved Bidirectional A*–Improved Grey Wolf Optimizer (IBA*–IGWO) framework.
Min Wang   +6 more
doaj   +1 more source

Focused Mission High Speed Combatant [PDF]

open access: yes, 2003
U.S.
Nikou, Vasilios   +2 more
core  

Home - About - Disclaimer - Privacy