ORCID Profile
0000-0003-0875-9217
Current Organisations
Bureau Veritas Group
,
University of Tasmania
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Publications
Part. A: A review of the real-time sea-state estimation, using wave buoy analogy
Publisher: Elsevier BV
Date: 12-2022
Aerodynamic Simulation of A Containership to Evaluate Cargo Configuration Effect on Frontal Wind Loads
Publisher: Springer Science and Business Media LLC
Date: 04-2018
Numerical simulation of container ship in oblique winds to develop a wind resistance model based on statistical data
Publisher: Informa UK Limited
Date: 08-02-2019
Online Short-term Ship Response Prediction with Dynamic Buffer Window Using Transient Free Switching Filter
Publisher: Research Square Platform LLC
Date: 06-07-2023
DOI: 10.21203/RS.3.RS-3041703/V1
Abstract: Ship response prediction is one of the emerging interests in seakeeping, given the extensive range of applications for autonomous control of marine vehicles. In particular, the shortterm prediction and online updates of the ship response have been in the practical attention span. Despite a body of studies on different predictors, the asymptotic properties of estimators concerning the time series s le size have not been addressed specifically. The predictors only have been analysed for a fixed observation window regardless of the intrinsic statistical characteristics obtainable in the time series. To this end, the current research has considered the performance of two nonlinear and linear based regressors: support vector regression (SVR) and the adaptive Seasonal Auto-Regressive and Integrated Moving Average (SARIMA) model on the time series data obtained from a simulated semisubmersible platform in different sea states. The experiment demonstrated that the prediction accuracy highly depends on the observation window length with respect to the statistical properties of the responses in various wave conditions. Therefore, an innovative filter using the weighted average of the proposed functions has been introduced to dynamically adjust the buffer window based on the signal statistical characteristics. The promising results showed that the filter not only could contribute to promoting any predictors used in autonomous onboard decision-making, guidance, and stabilization systems for present and future intelligent onboard control systems, but the proposed mechanism can be employed in dynamic systems in other disciplines too.
Comparative study of wind resistance of a 2D stack of featured ocean containers and a 3D forty feet unit
Publisher: Informa UK Limited
Date: 06-08-2020
Part. B: A review of the real-time sea-state estimation, using wave buoy analogy; a decuple benchmark and future outlook
Publisher: Elsevier BV
Date: 12-2022
Aerodynamic study of pyramid stacking configuration on mega-sized container ships using CFD to optimize lateral drag
Publisher: Elsevier BV
Date: 07-2022
Related Organisations
Islamic Azad University Science And Research Branch
Location: Iran (Islamic Republic of)
Related Funding Activities
No related grants have been discovered for Hamed Majidian.