Open Access. Powered by Scholars. Published by Universities.®
- Discipline
- Keyword
-
- Space constraints (3)
- Decoupled numerical method (2)
- Linear matrix inequality (2)
- Motion estimation (2)
- Robust control (2)
-
- Robust stability (2)
- Viscous flow (2)
- AHP (1)
- AHP method (1)
- AISI 304 stainless steel (1)
- Absorption (1)
- Accelerative cracking point (1)
- Acoustic emission (1)
- Agricultural machinery (1)
- Agriculture automation (1)
- Algorithm (1)
- Analytical solution (1)
- Angle tracking (1)
- Ant colony algorithm (1)
- Approaching maneuver (1)
- Attitude (1)
- Automation (1)
- BEM (1)
- Beam (1)
- Bearing estimation (1)
- Bidirectional associative memory neural networks (1)
- Bipartite hypergraph (1)
- Block matching (1)
- Brass (1)
- Brightness (1)
Articles 31 - 60 of 81
Full-Text Articles in Engineering
Reuse The Bed Ash From Circulating Fluidized Bed Combustion On Mortar Mixture, Hui-Mi Hsu, An Cheng, Sao-Jeng Chao
Reuse The Bed Ash From Circulating Fluidized Bed Combustion On Mortar Mixture, Hui-Mi Hsu, An Cheng, Sao-Jeng Chao
Journal of Marine Science and Technology
This paper investigates mortars consisting of various circulating fluidized bed combustion (CFBC) bed ash contents. The CFBC bed ash used in this study was obtained from Taiwan’s petroleum industry. This study presents experimental results on the flowability, compressive strength, drying shrinkage, scanning electronic microscopy (SEM) and mercury intrusion porosimetry (MIP) of mortar samples containing CFBC bed ash. The initial surface absorption tests (ISAT) and rapid chloride penetration test (RCPT) of mortar were used to measure water absorption and the ability to resist chloride ion characteristics for different mortar samples containing CFBC bed ash. CFBC bed ash is X-ray amorphous and …
Numerical Optimization Of A Three-Chamber Muffler Hybridized With A Side Inlet And A Perforated Tube By Sa Methodm, Min-Chie Chiu
Numerical Optimization Of A Three-Chamber Muffler Hybridized With A Side Inlet And A Perforated Tube By Sa Methodm, Min-Chie Chiu
Journal of Marine Science and Technology
Research on new techniques of multi-chamber mufflers equipped with a side inlet and an internal non-perforated tube has been well addressed and developed; however, the research work of multi-chamber mufflers in conjunction with side inlet and internal perforated tubes which may efficiently increase the acoustical performance is rare. Therefore, the main purpose of this paper is to not only analyze the sound transmission loss (STL) of three-chamber side mufflers with a perforated tube but also to optimize their best design shape under a limited space. In this paper, both the generalized decoupling technique and plane wave theory in solving the …
Vector Quantization Based On Steady-State Memetic Algorithm, Chien-Min Ou
Vector Quantization Based On Steady-State Memetic Algorithm, Chien-Min Ou
Journal of Marine Science and Technology
A novel memetic algorithm (MA) for the design of vector quantizers (VQs) is presented in this paper. The algorithm uses steady-state genetic algorithm (GA) for the global search and K-means algorithm for the local improvement. As compared with the usual MA using the generational GA for global search, the proposed MA dramatically reduces the computational time for VQ training. In addition, it attains a near global optimal solution, and its performance is insensitive to the selection of initial codewords. Numerical results show that it can save more than 70% of computation time while maintaining a comparable performance as previous MA
Vfife Method Applied For Offshore Template Structures Upgraded With Damper System, Po-Yen Chang, Hsien Hua Lee, Guo-Wei Tseng, Pei-Yin Chung
Vfife Method Applied For Offshore Template Structures Upgraded With Damper System, Po-Yen Chang, Hsien Hua Lee, Guo-Wei Tseng, Pei-Yin Chung
Journal of Marine Science and Technology
In this study, a plane frame element derived from vector form intrinsic finite element (VFIFE) method is adapted and applied to study the dynamic responses of an offshore template platform subject to wave forces. Furthermore, this vector form intrinsic finite element is modified in order to incorporate a visco-elastic material, which has excellent energyabsorption ability, to a damping device installed in the structural system to mitigate the wave-induced vibration. The method adopted in this study is a scheme similar to the one by updating the geometry of the structural system during the calculation of each time step, which is also …
Siphoning Sea Water Back Into The Engine In Fast Boats, Osman Azmi Ozsoysal
Siphoning Sea Water Back Into The Engine In Fast Boats, Osman Azmi Ozsoysal
Journal of Marine Science and Technology
A failure investigation has been conducted on the exhaust system of a high speed marine diesel engine in Turkish ambulance boats. Premature failures were reported on the poor starting, on the loss of power, on the lubricating oil leakage and on the engine overload. It was observed some significant tracks of sea water found its way into the exhaust passages from condensation of the salt water vapour and also from entering some sea water into the exhaust system. In order to initiate a more accurate cause investigation, the engine went through an overhaul inspection, in which it was determined that …
Experimental Study On The Influence Of Geometrical Configuration Of Porous Floating Breakwater On Performance, Huan-Yu Wang, Zhao-Chen Sun
Experimental Study On The Influence Of Geometrical Configuration Of Porous Floating Breakwater On Performance, Huan-Yu Wang, Zhao-Chen Sun
Journal of Marine Science and Technology
The general aims of this paper were to present a novel floating breakwater fabricated with large numbers of diamondshaped blocks and find out the favorable characteristics of geometrical configurations basing on wave attenuation and mooring force debasement. The research are expected to offer a little of information for the design of floating breakwater. Four sorts (with equal number of blocks) of geometrical configurations had been involved in the contrasting analyses. Various factors including water depth, relative width of the floating body and wave steepness were considered. The results had shown that the proposed porous floating breakwater revealed favorable performance and …
The Role Of Non-Financial Features Related To Corporate Governance In Business Crisis Prediction, Fengyi Lin, Deron Liang, Wing-Sang Chu
The Role Of Non-Financial Features Related To Corporate Governance In Business Crisis Prediction, Fengyi Lin, Deron Liang, Wing-Sang Chu
Journal of Marine Science and Technology
Recent outbreak of corporate financial crises worldwide has brought attention to the need for a new international financial architecture which rests on crisis prediction and crisis management. It is therefore both desirable and vital to explore new predictive techniques for providing early warnings aganist bankruptcy. Financial data have been widely used by researchers to predict financial distress or business crisis, but few studies exploit the use of non-financial indicators related to corporate governance to construct business crisis prediction model. This article introduces into the field of business crisis prediction model based on a combination of both financial and corporate governance …
An On-Board Field Area Meter For Agricultural Machinery, Yuan-Yong Hsu, Kuo-Ching Chiou, Cheng-Ta Chung, Tsung-Hua Hsu
An On-Board Field Area Meter For Agricultural Machinery, Yuan-Yong Hsu, Kuo-Ching Chiou, Cheng-Ta Chung, Tsung-Hua Hsu
Journal of Marine Science and Technology
In this work, an on-board field area meter with simple structure and low cost is developed on agricultural machinery in order to measure the cultivated area. It consists of a simple compass for position measurement and a proximity switch for distance measurement. Furthermore, an 8051 series microprocessor is employed to perform the calculations required for calibration and contour integral. The device is designed to be operated in either manual or automatic mode. Field tests carried out on a peanut gathering machine and a corn harvester show that the errors of the measured area in both operation modes are less than …
An Analytical Solution To The Modified Mild-Slope Equation For Waves Propagating Around A Circular Conical Island, Sung-Shan Hsiao, Chun-Ming Chang, Chih-Chung Wen
An Analytical Solution To The Modified Mild-Slope Equation For Waves Propagating Around A Circular Conical Island, Sung-Shan Hsiao, Chun-Ming Chang, Chih-Chung Wen
Journal of Marine Science and Technology
There are many analytical solutions to the mild-slope equation that employ Hunt’s direct solution of linear dispersion [7] to solve wave-scattering problems involving varying quiescent depths. The advantage of Hunt’s direct solution of linear dispersion is that it can extend the range of applicability of the mild-slope equation from long-wave to deep-wave conditions. However, because the bottom curvature and slope-squared terms are neglected, the mild-slope equation cannot preserve mass conservation. In this investigation, we derived an analytic solution of the modified mild-slope equation for a conical island by adopting Hunt’s direct solution of linear dispersion to be applicable to intermediate …
Design And Application Of An Image-Processing-Based Fuzzy Autopilot For Small-Boat Approaching Maneuvers, Sin-Der Lee, Ching-Yaw Tzeng, Young-Zehr Kehr, Chih-Kai Kang, Chi-Chun Huang
Design And Application Of An Image-Processing-Based Fuzzy Autopilot For Small-Boat Approaching Maneuvers, Sin-Der Lee, Ching-Yaw Tzeng, Young-Zehr Kehr, Chih-Kai Kang, Chi-Chun Huang
Journal of Marine Science and Technology
This paper presents an image-processing-based fuzzy autopilot scheme for accomplishing small-boat approaching maneuvers in a harbor environment. In the proposed approach, two canvas targets are arranged in cascade on the quayside to form a leading line. The targets are detected by a charge coupled device (CCD) camera mounted on the bow of the boat, and their geometric centers are computed by a Hue- and Saturation-based image-processing scheme. The autopilot system calculates the current heading deviation and tracking deviation angles of the boat by analyzing the displacements of the target centers relative to the CCD center line. These angles are then …
Shape Optimization Of One-Chamber Mufflers With Perforated Intruding Tubes Using A Simulated Annealing Method, Ying-Chun Chang, Min-Chie Chiu, Wang-Chuan Liu
Shape Optimization Of One-Chamber Mufflers With Perforated Intruding Tubes Using A Simulated Annealing Method, Ying-Chun Chang, Min-Chie Chiu, Wang-Chuan Liu
Journal of Marine Science and Technology
It has been noted that the application of high performance, compact mufflers is the future for modern factories where place is at a premium. However, as research on mufflers equipped with extended tubes has been exhausted, and frankly at the juncture, shown to be inadequate (unsuitable), attention has turned to mufflers conjugated with perforated intruding tubes which can dramatically increase acoustical performance. Therefore, the focus of this paper is not only to analyze the sound transmission loss (STL) of a one-chamber open-ended perforated muffler but also to optimize the best design shape within a limited space. In this paper, the …
A Time-Independent Finite Difference Analysis Of Viscous Flow Across A Translating Circular Cylinder, Chih-Chun Chu, Yi-Hsiang Yu, Bang-Fuh Chen, Tin-Kan Hung
A Time-Independent Finite Difference Analysis Of Viscous Flow Across A Translating Circular Cylinder, Chih-Chun Chu, Yi-Hsiang Yu, Bang-Fuh Chen, Tin-Kan Hung
Journal of Marine Science and Technology
A time-independent finite difference scheme is developed and applied to analyze the viscous flow past a translating circular cylinder. In this scheme, the instantaneous moving cylinder face is mapped to a fixed boundary and the computational domain is, therefore, time independent. Large Reynolds number and high oscillating frequency of moving cylinder are used in the analysis. The finite difference approximation and algorithm were validated by the reported numerical simulation and flow visualization. The vorticity and streamline patterns developments were described and discussed. The surface vorticity distribution and position of separation point versus phases of oscillating stages were discussed. The flow …
A Study On Repairing Internal Defects Inside Concrete Using The Electrochemical Deposition Method, Weichung Yeih, Hui-Mi Hsu, Jiang-Jhy Chang, Chi-Che Hung, Rang Huang
A Study On Repairing Internal Defects Inside Concrete Using The Electrochemical Deposition Method, Weichung Yeih, Hui-Mi Hsu, Jiang-Jhy Chang, Chi-Che Hung, Rang Huang
Journal of Marine Science and Technology
In this paper, the feasibility of repairing internal defects inside concrete using the electrochemical deposition method is investigated. Various amounts of the air entrance agent (AEA) were added into fresh concrete to produce small air bubbles. Zinc sulfate was used as the electrolyte for the electrochemical deposition method. The dry unit-weight test, compressive strength test, splitting tensile strength test, four-probe electric resistivity, water absorption percentage test, open circuit potential test, scanning electronic microscope (SEM) and X-ray diffraction are carried out to investigate the repair results. Results show that the electrochemical deposition method is a promising rehabilitation method when internal defects …
Developing An Analytical Model For The Optimal Capital Structure Of The Building Company, Lung-Ken Tsai, Hui-Ping Tserng, S. Ping Ho, Chiu-Wei Sung, Yeh-Shou Chou
Developing An Analytical Model For The Optimal Capital Structure Of The Building Company, Lung-Ken Tsai, Hui-Ping Tserng, S. Ping Ho, Chiu-Wei Sung, Yeh-Shou Chou
Journal of Marine Science and Technology
The characteristics and accounting principles of the building industry is different from those of other industries, so few studies have discussed the capital structure of the building industry. In this paper, the grey system theory and Pearson correlation analysis are used to study the capital structure (debt ratio) of building companies and its relationship with the company’s tax rate, non-debt tax shield, and operational risk, respectively. The results show that for building companies, non-debt tax shield has a positive correlation with the capital structure, whereas the operational risk has a very low correlation with the capital structure. The aforementioned results …
Numerical Assessment Of A Space-Constrained Venting System With Multi-Chamber Plug Mufflers By Ga Method, Chiu Min-Chie, Chang Ying-Chun
Numerical Assessment Of A Space-Constrained Venting System With Multi-Chamber Plug Mufflers By Ga Method, Chiu Min-Chie, Chang Ying-Chun
Journal of Marine Science and Technology
Recently, research on new techniques of single-chamber plug silencers has been addressed. However, the assessment of a multi-chamber plug muffler’s optimal shape design within a constrained space as well as a pressure-drop limit which are mostly concerned with the necessity of operation and system venting in practical engineering work was rarely tackled. Therefore, this paper will not only analyze the sound transmission loss (STL) of a space-constrained multi-chamber plug muffler but also optimize the best design shape under a specified pressure drop. In this paper, the generalized decoupling technique and plane wave theory used to solve the coupled acoustical problem …
Laminar Flow Past An Oscillating Circular Cylinder In Cross Flow, Pham Anh-Hung, Lee Chang-Yeol, Seo Jang-Hoon, Chun Ho-Hwan, Kim Hee-Jung, Hyun-Sik Yoon, Dong-Woo Park, Il-Ryong Park
Laminar Flow Past An Oscillating Circular Cylinder In Cross Flow, Pham Anh-Hung, Lee Chang-Yeol, Seo Jang-Hoon, Chun Ho-Hwan, Kim Hee-Jung, Hyun-Sik Yoon, Dong-Woo Park, Il-Ryong Park
Journal of Marine Science and Technology
The present study numerically investigates the twodimensional laminar flow past a circular cylinder forced to oscillate transverse to the free-stream. The numerical simulations are performed at a various range of cylinder oscillation frequency ranged between 0.8 and 1.2 of the natural vortex shedding frequency, and the oscillation amplitude extended up to 50% of the cylinder diameter at one Reynolds number of 185 showing the typical two-dimensional vortex shedding. The immersed boundary method is used to handle the oscillating cylinder in a rectangular grid system using the finite volume method. The primary vortex shedding frequency has the same value with the …
Numerical Solutions Of Coastal Morphodynamic Evolution For Complex Topography, Chiang Yun-Chih, Hsiao Sung-Shan, Lin Ming-Chung
Numerical Solutions Of Coastal Morphodynamic Evolution For Complex Topography, Chiang Yun-Chih, Hsiao Sung-Shan, Lin Ming-Chung
Journal of Marine Science and Technology
Numerical modeling of coastal morphodynamic evolution is a powerful tool for the planning and design of coastal engineering. The coastal morphological modeling system is based on the sediment conservation law, which couples modules for waves, wave-driven currents, and sediment transport rates. The numerical scheme for the sediment conservation law and nonlinear coupling between these modules can lead to dispersions, diffusions, spurious oscillations and stability problems that are still not well developed. In this paper, the bedslope updating techniques, oscillation removal schemes, and 2-step, 3-time-level temporal discretization are employed to avoid oscillations and improve the stability of the coastal morphological model …
Direct Mapping Ovsf-Based Transmission Scheme For Underwater Acoustic Multimedia Communication, Chin-Feng Lin, Jiang-Yao Chen, Ya-Ju Yu, Jung-Ting Yan, Shung-Hyung Chang
Direct Mapping Ovsf-Based Transmission Scheme For Underwater Acoustic Multimedia Communication, Chin-Feng Lin, Jiang-Yao Chen, Ya-Ju Yu, Jung-Ting Yan, Shung-Hyung Chang
Journal of Marine Science and Technology
We would like to express our appreciation to the people that provided their help during this study. We also extend our appreciation to Dr. Chang-tai Shih, Visiting Professor of National Taiwan Ocean University from the Canadian Mu- seum of Nature, for his critical review and comments on the manuscript. This study was financially supported by a grant (NSC94-2313-B-019-018 and 94AS-14.1.1-FA-F1(16)) from the National Science Council of the Republic of China and the Fisheries Agency, Council of Agriculture, Taiwan, R.O.C.
Relative Importance Of Fire Resistance Performance Of Partition Walls, Ming-Chin Ho, Ming-Ju Tsai
Relative Importance Of Fire Resistance Performance Of Partition Walls, Ming-Chin Ho, Ming-Ju Tsai
Journal of Marine Science and Technology
The fire performance of partitions is influenced by the thickness, type, combustibility level of panel material, type of filling material and frame. However, realizing the importance of these parameters is not of enough help for interior designers. They need more quantitative information of the relative importance of the parameters so that they can select materials with cost consideration. Experiments were thus designed and analyzed by the Taguchi experimental design analysis method for it is good to determine the effect of each parameter especially as the number of parameters is large. Our data and analysis show that the thickness of panel …
Genetic Algorithm-Based Chaos Clustering Approach For Nonlinear Optimization, Min-Yuan Cheng, Kuo-Yu Huang
Genetic Algorithm-Based Chaos Clustering Approach For Nonlinear Optimization, Min-Yuan Cheng, Kuo-Yu Huang
Journal of Marine Science and Technology
In this paper, a n-dimension convergence algorithm was employed to track the potential trend of evolution in traditional genetic algorithm (GA) by K-means clustering technique. And, chaotic algorithm was exploited to prevent the new approach from premature. By means of the proposed approach, not only the basic search capability was maintained but also the flexibility and efficiency of parametric modeling were improved. The main purpose of the paper is to demonstrate how the GA optimizer can be improved by incorporating a hybridization strategy. Experimental studies revealed that the hybrid chaotic approach with genetic algorithm (CGA) procedure could produce much more …
Prediction Of Nonlinear System By Chaotic Modular, Wang Chin-Tsan, Chen Ji-Cong, Shaw Cheng-Kuang
Prediction Of Nonlinear System By Chaotic Modular, Wang Chin-Tsan, Chen Ji-Cong, Shaw Cheng-Kuang
Journal of Marine Science and Technology
Determining a suitable method of adequately predicting different nonlinear systems is necessary for instantaneous signal control. A chaotic modular found for realizing the prediction of signal control was applied to three different physical models: the Lorenz attractor, Chua’s circuit, and chaotic wake flow. Testing results from the three cases show that the behaviors of the nonlinear systems are predicted for instant signal control successfully. This evidence confirms that the chaotic module found by the authors is very useful for instant signal control and can be utilized as a tool for instantaneous prediction of nonlinear systems
Probabilistic Assessment Of Seismic Drift Demands For Frame Structures In Near-Fault Regions, Jan Tysh-Shang, Lin Chiung-Yueh, Wu Chun-Wei
Probabilistic Assessment Of Seismic Drift Demands For Frame Structures In Near-Fault Regions, Jan Tysh-Shang, Lin Chiung-Yueh, Wu Chun-Wei
Journal of Marine Science and Technology
The purpose of this paper is to provide engineers with a rapid procedure to assess the maximum inter-story drift for generic moment-resisting frame (GMRF) structures in nearfault regions. In this procedure, the maximum inter-story drift demand of a structure can be evaluated by starting from the median value of elastic spectral displacement at the first period of the structure, and then amplifying it with some modification factors. Statistical parameters (medians and dispersions) of the distributions of these factors are obtained by performing linear, and nonlinear, dynamic simulations on codecompliant steel GMRF structures, to near-fault ground motions during Taiwan’s Chi-Chi earthquake …
Navigation On A Great Ellipse, Tseng Wei-Kuo, Lee Hsuan-Shih
Navigation On A Great Ellipse, Tseng Wei-Kuo, Lee Hsuan-Shih
Journal of Marine Science and Technology
This paper presents contact formulae for the computation of the position, the distance, and the azimuth along a great ellipse. The proposed alternative formulae are to be primarily used for accurate sailing calculations on the ellipsoid in a GIS environment as in ECDIS and other ECS. Among the ECDIS Requirements is the need for a continuous system with a degree of accuracy consistent with the requirements of safe navigation. At present, this requirement is best fulfilled by the Global Positioning System (GPS). The GPS system is referenced to World Geodetic System 1984 (WGS 84) Datum. Using the ellipsoid model for …
The Influence Of Broken Cables On The Structural Behavior Of Long-Span Cable-Stayed Bridges, Chin-Sheng Kao, Chang-Huan Kou
The Influence Of Broken Cables On The Structural Behavior Of Long-Span Cable-Stayed Bridges, Chin-Sheng Kao, Chang-Huan Kou
Journal of Marine Science and Technology
The influence of broken cables on the structural behavior of long-span cable-stayed bridges is examined considering all the nonlinear characteristics of a long-span cable-stayed bridge. The results show the influences of the broken cable on the structural behavior, such as the internal force, displacement, and the ultimate load-bearing capacity, are clear when an outside cable breaks. The results of the present study should assist in deciding when to replace cables in long-span cablestayed bridges.
Revisited To The Relationship Between The Free And Total Chloride Diffusivity In Concrete, Ming-Te Liang, Ran Huang, Hao-Yuan Jheng
Revisited To The Relationship Between The Free And Total Chloride Diffusivity In Concrete, Ming-Te Liang, Ran Huang, Hao-Yuan Jheng
Journal of Marine Science and Technology
The main purpose of this paper is provided the theoretical elucidation and parameter investigation for the experimental results performed by Lu et al. [Relationship between the free and total chloride diffusivity in concrete, Cement and Concrete Research, 32(2) 323~326 (2002)]. The analytical solution of Fick’s second law of linear diffusion in a semi-infinite quasi-homogeneous and isotropic concrete with initial and boundary conditions is used to curve fitting the experimental results and to find the relevant parameters such as the total and free chloride concentrations and diffusivities. The total chloride diffusivity is 2.8 times the free one. It seems plausible to …
A Delay-Dependent Approach To Robust Stability For Uncertain Hybrid Bidirectional Associative Memory Neural Networks With Time-Varying Delays, Chien-Yu Lu, Koan-Yuh Chang, Hsun-Heng Tsai, Wen-Jer Chang
A Delay-Dependent Approach To Robust Stability For Uncertain Hybrid Bidirectional Associative Memory Neural Networks With Time-Varying Delays, Chien-Yu Lu, Koan-Yuh Chang, Hsun-Heng Tsai, Wen-Jer Chang
Journal of Marine Science and Technology
This paper performs a global robust stability analysis of a particular class of hybrid bidirectional associative memory time-varying delayed neural network with norm-bounded timevarying parameter uncertainties. The activation functions are assumed to be globally Lipschitz continuous. Globally delay-dependent robust stability criteria are derived in the form of linear matrix inequalities by introducing relaxation matrices which, when chosen properly, produce a less conservative result. Two numerical examples are given to illustrate the significant improvement obtained in the conservativeness of the delay bound.
The Effects Of The Cross-Sectional Area And Aspect Ratio Of Beams On A Laminar Channel Flow, Hai-Ping Hu, Rong-Hua Yeh
The Effects Of The Cross-Sectional Area And Aspect Ratio Of Beams On A Laminar Channel Flow, Hai-Ping Hu, Rong-Hua Yeh
Journal of Marine Science and Technology
The study analyzed the fully developed laminar flow in a channel with longitudinal rectangular beams arrayed along the channel width. The governing equations describing the fluid which flows along the direction of the beam length are expressed with double Poisson equations and are solved by eigenfunction-expansion and point-match method. The effects of cross-sectional area and aspect ratio of the beams are investigated. Dimensionless velocity profile, mean velocity, and friction factor multiplied by Reynolds number in the channel are presented for analysis. Initially, a comparison of fRe for a special case is made. It is found that the predicted fRe of …
A Risk Analysis Of Stevedoring Operations In Seaport Container Terminals, Kuo-Chung Shang, Wen-Jui Tseng
A Risk Analysis Of Stevedoring Operations In Seaport Container Terminals, Kuo-Chung Shang, Wen-Jui Tseng
Journal of Marine Science and Technology
This research is a study of container terminals in Kaohsiung Harbor and investigates risk management in the loading and unloading of container terminals. The study shows that the top three factors associated with severity of accident risk are: “Moving the crane without raising the lifting arm of the gantry crane, resulting in damage to the pilot’s compartment,” “Transferring containers direct to the trailers,” and, “As a result of climatic factors (typhoons), the facility takes no action to prevent collisions.” The top three factors associated with frequency of accident risk are, “Ships go by and waves cause a declined-body, raised prow …
Passive Fuzzy Controller Design For Perturbed Nonlinear Drum-Boiler System With Multiplicative Noise, Cheung-Chieh Ku, Pei-Hwa Huang, Wen-Jer Chang
Passive Fuzzy Controller Design For Perturbed Nonlinear Drum-Boiler System With Multiplicative Noise, Cheung-Chieh Ku, Pei-Hwa Huang, Wen-Jer Chang
Journal of Marine Science and Technology
The port choice in the multiple-ports region is one of important issues in the international trade container transportation system. In order to reduce the total transportation cost, it is very important for shipping carriers to choose an optimal port for callings. The aim of this paper is to construct an Analytic Hierarchy Process (AHP) model for simulating the behaviors of carriers’ port choice and identifying the importance weight of every influential factor influencing carriers’ port choices in the multiple-ports region. Finally, the utilization of this proposed AHP model is demonstrated with a case of five shipping companies. By the AHP …
Global Exponential Stability Criteria For Switched Neutral Systems With Interval Time-Varying Delay, Ker-Wei Yu
Global Exponential Stability Criteria For Switched Neutral Systems With Interval Time-Varying Delay, Ker-Wei Yu
Journal of Marine Science and Technology
The delay-dependent and delay-independent conditions are proposed to guarantee the global exponential stability for uncertain switched neutral system with interval time-varying state delay. New additional nonnegative inequalities are introduced to improve the conservativeness of system. Razumikhinlike approach is used to prove the exponential stability for system. Structured and unstructured uncertainties are investigated in this paper. The solving schemes based on Linear Matrix Inequality (LMI) approach along with the selective examples are presented to demonstrate the improvements achieved.