搜索结果: 1-15 共查到“船舶与海洋工程 system.”相关记录30条 . 查询时间(0.296 秒)
High-Speed Acoustic Network for Seafloor Geodetic Observation Robot System
Acoustic communications Underwater acoustic network Underwater networking
2009/8/19
A seafloor geodetic observation robot network system requires a high bit rate and low error rate to enable it to successfully upload a large amount of observed geodetic data and download commands with...
Study on Monitoring System of Coastal Environment (3rd Report)—Monitoring of Phytoplankton Concentration by Assimilation—
Environment Monitoring Short-Term Prediction P-N Model Kalman’s Filter
2009/5/19
In order to manage and assess coastal environment, developing of a monitoring system is becoming important and urgent theme recently. The authors emphasize that the monitoring system should include no...
Development of Ship Maneuvering Control System with Online Nonlinear Optimal Control
Receding Horizon Control Online Nonlinear Optimization DPS Route Tracking Optimal Thrust Allocation Redundant Actuators
2009/5/18
In the dynamic positioning control and thrust allocation system of the vessels, it is difficult to obtain an optimal solution in real time because of inherent non-linearity, and development of a relia...
Development of User-Friendly Generalized Optimization System
Nonlinear Programming SQP GA CORBA Ship Design
2009/5/18
This paper describes recently developed general-purpose optimization system, in which users are able to set up the optimization problem without knowledge of system coding. Currently two optimization a...
Study on Monitoring System of Coastal Environment (2nd Report)— Assimilation of Measurement Data and Mathematical Model —
Environment Monitoring Short-Term Prediction P-N Model State Space Model
2009/5/12
In order to develop a practical method for monitoring of coastal environment, the authors propose a new assimilation method of measured data with mathematical model. The present method enables to pred...
A Study of On-Board Monitoring and Analysis System of Ship Propulsion Performance-An Estimation Method of Propeller Performance with Surface Roughness Effects
Propeller Performance Surface Roughness Ship Propulsion Performance Monitoring
2009/5/12
The propulsion performance of actual ship at sea tends to deteriorate mainly due to the fouling of hull and propeller. It is important, therefore, to monitor the present situation of ship propulsion p...
On the Automatic Collision Avoidance System for Ships (1st Report)
Automatic Collision Avoidance System Numerical simulation Model experiments.
2009/4/30
Navigational safety is highly demanded in order to prevent marine accidents. However the reduction of personnel expenses is enforced recently to reduce total transportation cost and it means that the...
A Shape Optimization System of Ship Structures Using a Function Recognizing Structure Members- Shape Optimization of Double Bottom Part of Ship Structure -
Shape Optimization System Ship Structures Function Recognizing Structure Members
2009/4/29
A structure optimization for the initial design stage using FEM of ship is under consideration in this paper. General bulk carrier is selected for the object of the optimization. Shapes of a bottom st...
A Study on Design Support System for Ship Principal Particulars in Consideration of the Accuracies of the Analyses
Design Support System Ship Principal Accuracies of the Analyses
2009/4/29
Decision of principal particulars is the first stage of ship design. This stage is an important stage where essential information of the ship is decided and the influence on the cost and the performan...
Ship-Maneuvering Control System Design Based on the Root-Locus Technique
Root-Locus Technique Ship-Maneuvering PID
2009/4/29
The PID control theory is very often used in practice in the field of shipbuilding; it is not an exaggeration to say that the use of other control theories is rare. Even though the theory possesses a ...
An Automatic Berthing Control System Design Which Is Based on Learning Feed-Forward Control
Automatic Berthing Control System Design Learning Feed-Forward Control
2009/4/29
In previous papers 1, 2, 3, 4, 5), the author demonstrated the application of the learning feed-forward control (LFFC) system for multivariable systems and the effectiveness of the LFFC system by on-b...
A Study on Knowledge Transfer System in Shipbuilding- Knowledge Acquisition Support System
shipbuilding industry UT-ESS shipbuilding industry
2009/4/29
It's getting more important to transfer knowledge from elder experts to young engineers especially in shipbuilding industry in Japan. We developed knowledge transfer system based on UT-ESS (University...
Development of a Weather Adaptive Navigation System- Influence of Weather Forecast
Weather Adaptive Navigation System Weather Forecast simulations
2009/4/29
We propose a new navigation system to decrease fuel oil consumption and CO2 emission from ship. To decrease them it is important to avoid rough seas and to reduce the speed of ship. Therefore the syst...
Autonomous Underwater Vehicles (AUVs) are attractive tools for maintenance of underwater structures and oceanography, however, there are a lot of problems to be solved such as motion control, acquisit...
Flow Accelerated Corrosion in Piping System of Marine Boiler Plant
Piping System Marine Boiler Plant
2009/3/30
ships and that in nuclear power plants. Nippon Kaiji Kyokai has therefore investigated and gathered data on corrosion in piping lines in ships in collaboration with major Japanese shipowners right aft...