Purpose The purpose of this study is to test the performance designed automatic control system based on Linear Quadratic Regulator (LQR) and Gaussian (LQG) algorithms during landing helicopter ship deck. This paper a further development series Topczewski et al. (2020). Design/methodology/approach consists two LQR LQG. It integrated with motion prediction autoregressive algorithm parameters calc...

in maritime transport law deck carriage is an important issue. whether a carrier is or is not allowed to carry goods on deck is a question that must be answered in each case and according to international rules and conventions (such as hague rules, hamburg and rotterdam conventions) and domestic laws and regulations (including maritime law of iran) governing the carriage as well as the type and...

Indonesia is the largest archipelagic maritime country in world, it should strengthen its ability to secure a very wide territorial waters, order ensure security and safety of shipping Indonesian jurisdictional. PC 40 ship reliable TNI-AL patrol with relatively small dimensions will be easy operate areas. In general, structural construction on conventional ships, along times, Sandwich Plate Sys...

The use of composite laminate materials has increased rapidly in recent years due to their excellent strength to weight ratio and resistance to corrosion. In the construction of marine vessels, stiffened plates are the most commonly used structural elements, forming the deck, bottom hull, side shells and bulkheads. This paper presents the use of a stochastic approach to the design of stiffened ...

Airflow hazards such as vortices or low level wind shear have been identified as a primary contributing factor in many helicopter accidents. US Navy ships generate airwakes over their decks, creating potentially hazardous conditions for shipboard rotorcraft launch and recovery. Recent sensor developments may enable the delivery of airwake data to the cockpit, where visualizing the hazard data m...

The modal low frequency noise generated by a vibrating elastically supported circular plate embedded into a flat infinite baffle has been examined. The main aim of this study is the analysis of the radiation efficiency. Low frequency approximated formulas have been presented. They are valid for all the limiting boundary conditions of the plate with its edge clamped, guided, simply supported or ...

The use of composite laminate materials has increased rapidly in recent years due to their excellent strength to weight ratio and resistance to corrosion. In the construction of marine vessels, stiffened plates are the most commonly used structural elements, forming the deck, bottom hull, side shells and bulkheads. This paper presents the use of a stochastic approach to the design of stiffened ...

Collision of ships with oil tankers poses, next to grounding, one of the most serious environmental threats at sea. In many previous analyses of the collision problem, the bow of the impacting ship was considered rigid. The objective of the present research is to include the finite strength of the bow in the overall collision simulation. The emphasis will be placed on typical raked shapes becau...