Wen-li Chang, 張文莉

碩士 / 國立中山大學 / 海下科技暨應用海洋物理研究所 / 98 / During the underwater vehicle R&D process, a crucial task in the beginning phase is to decide the specifications of sensors and actuators. The designers need to make decisions if an off-the-shelf product will meet the requirement, or more efforts should be devoted to the development of a component. The communication format undertaken between the controller and the subsystems is another important design issue worth of close attention. Once these specifications ...

Kuei-Hua Cheng, 鄭貴華

碩士 / 臺灣大學 / 工程科學及海洋工程學研究所 / 95 / In the past, the information of impact responses of structures subjected to underwater explosion (UNDEX) were obtained from extremely expansive ship shock experiments, it needs also very long time to prepare the test and to evaluate the test results. The phenomena of ship structure subjected underwater explosion are very complicated, the theoretical approaches are available only for strongly simplified model. Due to the improvement of the computer technologies re...

Ming-Feng Guo, 郭名峰

碩士 / 臺灣大學 / 工程科學及海洋工程學研究所 / 95 / In order to investigate the dynamic characteristics of an autonomous underwater glider, which is under developing in National Taiwan University, it’s necessary to develop a tool to simulate its maneuvering motions. In the present study, modular modeling is adapted to construct the mathematical model for the 6 degree of freedom of maneuvering motions of an AUG for the sake of easy application of existing database or empirical formula in estimating the hydrodynamic...

CHIH-YUNG LIN, 林志勇

碩士 / 國立臺灣大學 / 土木工程學研究所 / 90 / Due to the growth of economics and population, the phenomenon of urbanization in Taiwan becomes more significant. The storm sewer systems often cannot meet the demand and hence urban inundation is often encountered. Therefore, the relevant research on urban stormwater hydraulics is rather important. In this paper, the 2D inundation model is used to simulate the surface flooding, whereas the SWMM model is employed to simulate the flow in the storm sewer system. T...

OU-YANG, GUO-ZHEN, 歐陽國禎

碩士 / 淡江大學 / 水資源及環境工程研究所 / 80 /

Jeng-ji Chen, 陳政吉

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 95 / The main purpose of this thesis is to establish an pitch adjustable system for downstream underwater vehicle (UV),the UV use compression air for float up, to avoid loss float up power by electric power loss. The UV system includes the following subsystem: buoyancy control system, measurement system, pitch adjustable system, GPS system, GSM system, Control system and pressure hull. Design pressure hull that sustains outer pressure from ocean without breaking, ...

Chia-Wei Chang, 張家瑋

碩士 / 國立中山大學 / 海下技術研究所 / 95 / The aim of this research is to establish a measurement system to acquire 2-D sound scattering field by an underwater target. In the system, A 3-DOF (degree of freedom) block is remotely orientated by Borland C++ Builder programming language and the batch-processing for signals is used to estimate strength by programing language, Matlab. The process of experiment is simplified by standard operating procedure and the safty of facilities is controled by monitor. Based o...

Yu-Lun Huang, 黃育倫

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 95 / Because of the current effect, the behaviors of the underwater remotely operated vehicle will be affected especially for the longitudinal stability. Consequently the efficiency of the operating the underwater ROV will be decreased. In the present paper, a numerical model including the PD or PID control is established to simulate the ROV motions in currents. The related suitable gains of the controller are obtained by trial and error. The numerical technique i...

Tai, Yueh-Chih, 戴岳志

碩士 / 國立臺北科技大學 / 土木與防災技術研究所 / 90 / Taiwan is located at the area with highly frequency of earthquake happening. Those earthquakes always cause damages of properties and losses of lives to the people. The lifeline utilities such as roads, bridges, communications, water supply, gas, power and sewage system which might be seriously destroyed by earthquakes. Those will increase more difficulties and complexity during the periods of rescuing, reconstructing and repairing. Therefore, civil constructi...

Shiuan-Hung Chen, 陳宣宏

博士 / 國立臺灣大學 / 生物環境系統工程學系暨研究所 / 90 / The rainfall-runoff process in urban areas is primarily affected by the anthropogenic factors such as drainage facilities, local alternation of topography and land use. The surface runoff in urban area is usually collected by the inlets and drains to the sewer systems. When the runoff discharge exceeds the drainage capacity, the sewer systems are not always able to carry all the runoff due to the limited capacities of inlets or conduits. As a result, inundatio...

Ching-hong Chien, 簡慶宏

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 90 /

LUO JUNG WEN, 羅忠文

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 90 / A fish-like Biomemtic Autonomous Underwater Vehile model was studied by experimental and numerical methods. The geometry of a fish-like body was obtained from the measurment of Koi fish. The swimming equation was built by the observation and analysis of the Koi fish’s motion styles. The RANS (Reynolds Averaged Navier-Stoke equation) code was used to solve two-dimensinal incompressibles viscous flow of fish-like body. The drag-reduction and thrust-generation by fi...

Hour Yea-Jye, 侯雅捷

碩士 / 國立成功大學 / 工業設計研究所 / 82 / A study for representation of underwater-hull shape by means of B-spline curves has been developed. The configuration of a underwater-hull is constructed wish B-spline curves by setting the shape of its cross sections at different positions along the longitudinal axis(z-axis).A computer program is built base on the above mentioned technique to help the designer to creat a underw...

LIN, CHIEN-HUNG, 林建宏

碩士 / 國立臺灣科技大學 / 機械工程系 / 93 / Up to the present, the fabrication of the micropump generally used the MEMS processes were designed micropump for driving flow simply. This study focused on simple manufacture and inexpensive cost for the meso-scale underwater vehicle’s propulsion and direction auxiliary element. For the demands of the cheap cost, the piezo buzzer which was easily-obtained was the first choices for actuator and DC power supply and frequency controlled circuit were used as the driver....

HUANG, JI-PING, 黃寄萍

碩士 / 國立臺灣大學 / 土木工程研究所 / 73 /

Tsung-Lin Chou, 周宗燐

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 93 / The experimental and numerical studies of linear and nonlinear dynamic response of cylindrical shell structures with stiffener rings subjected to underwater explosion in a 4m×4m×4m water tank have been examined in this work. The dimensions of cylindrical structures are Length × Diameter × thickness = 90cm×30cm×1mm. Two models were examined: - cylindrical shell structure with outside stiffener rings made of 1mm mild steel - cylindrical shell structure with insid...

LUNG FONG-TZENG, 曾隆峰

碩士 / 中華大學 / 土木與工程資訊學系碩士班 / 95 / Abstract Our country, in order to develop economy in the past, though promote a large amount of public construction, neglect the sewage sewer construction helping to promote the quality of the life. Because the sewage sewer is built the degree of popularizing is an important indicator of the national quality of the life, and of our country the sewer of sewage to build 13.1% of popularity, the backward world level far away, international competitiveness is it rank ...

Tien-Chen Hwaung, 黃添成

碩士 / 國立中山大學 / 海下技術研究所 / 90 / To estimate the correct dimension of the target on the underwater, we can use CCD camera and cast laser light strip onto the target, and then observe the displacement of laser light to get the dimension. Since the laser light will show on different situation, it''s due to the surface of the target is not smooth. When we get the image from CCD camera, we need to calibrate the displacement of the laser light and return to the actual dimension of the target on the under...

Chang-Chi Chen, 陳長祺

碩士 / 國立交通大學 / 環境工程所 / 90 / The rapid development of an industrial district may significantly increases the amount of wastewater generated within the district and therefore exceeds the transport capability originally designed of its sewer network. Excessive overload, or called surcharge, of a sewer network can cause serious flooding problems during the peak season. Two alternatives are usually employed to resolve this surcharge problem: (1) placing relief sewer pipes to divert flow from overloa...

Tz-Yi Yang, 楊子毅

碩士 / 國立中央大學 / 營建管理研究所 / 95 / The modern day concept of the private participation for infrastructure projects began in UK the 80’s. The purpose for private participation in infrastructure projects is to reduce the financial burden of government, and to continue delivering infrastructure projects and public services. The main idea of Infrastructure Privatization is utilizing the private sector’s capital, technology, efficiency to advanced performance of infrastructural services. Several of the BOT...

Yang, Wen-Chih, 楊文智

碩士 / 國立臺灣海洋大學 / 輪機工程學系 / 107 / According to governing equation, the analysis of propeller noise can be divided into transient analysis and steady-state analysis, different results can be used to analyze physical characteristics of propeller, and finally, constructing the verification procedures of propeller noise. That is to say, through comparing the phenomena of transient analysis and steady-state analysis, the accurate of sound field radiation can be vertified. For transient analysis, Calcula...

Chou, Chieh-Shih, 周杰士

碩士 / 國立臺灣海洋大學 / 資訊工程學系 / 107 / Remotely Operated Underwater Vehicles(ROVs) are widely used to perform underwater missions. In deep sea environments, ROVs are subject to a variety of environmental factors, such as currents, terrain obstacles, poor visibility, etc. When operators are not familiar with these, the situation can make the task difficult to perform. Furthermore, the ROV equipment is too expensive, the cost of performing a task is too high. To avoid equipment damage and reduce time cost...

Yin, Shiaw Yung, 尹孝元

碩士 / 國立成功大學 / 水利及海洋工程學系 / 84 / The purpose of the present study is to analyze the dynamic behavior of abubble generated by underwater explosions. First of all, the Rayleigh-Plessetequation has been solved to determine the change of bubble radius underdifferent initial conditions. Effects of different damping mechanisms,such asviscosity, radiation, and thermal dampings on the bubble oscillation have alsobeen...

Wu, Geng-De, 吳耿德

碩士 / 國立臺灣海洋大學 / 通訊與導航工程學系 / 106 / The Internet of Underwater Things (IoUT) is a novel class of Internet of Things (IoT), and is defined as the network of smart interconnected underwater objects. IoUT is expected to enable various practical applications, such as environmental monitoring, underwater exploration, and disaster prevention. With these applications, IoUT is regarded as one of the potential technologies toward developing smart cities. To support the concept of IoUT, Underwater Wireless ...

Zhao-Shian Yang, 楊照賢

碩士 / 國立臺北科技大學 / 土木與防災研究所 / 94 / Sewage system is a basic modern public construction. It’s function not only can improve living environment and hygiene, but also can protect river from pollution. At the meanwhile, it is an important facility for water recycling. Modern countries all make sewage system as an important target for environment quality. Nevertheless, sewage system in Taiwan is still far behind. Due to the government invest too less on sewage system. Each year construction expenses not...

Chao-yu Huang, 黃兆羽

碩士 / 國立中山大學 / 海下科技暨應用海洋物理研究所 / 97 / To expand the ability of collecting underwater targets of "Remotely Operated Vehicle II", developed by National Sun Yat-sen University and National Cheng Kung University, this research will develop an underwater manipulator system which can be integrated with ROV II to have enough degrees of freedom to carry out sampling. The goal will focus on mechanism design and to distinguish the assemble restrictions from other mechanism modules. To avoid use of hydraulic...

LIOU,MING-SIAN, 劉明賢

碩士 / 建國科技大學 / 自動化工程系暨機電光系統研究所 / 105 / The design concept of this study is to design a low-cost and high-efficiency water and underwater detection of unmanned vehicle design. This study uses the design phase method to carry out unmanned vehicle design, discuss the required demand and function analysis to complete the product concept design, And then the initial concept of the design of advanced research detail design, complete the required paper production information. In order to meet the concep...

LEE,PO-CHANG, 李柏昌

博士 / 國立高雄應用科技大學 / 土木工程與防災科技研究所 / 105 / Kuroshio, one of ocean currents in the Pacific, passing through the eastern Taiwan provides a kind of clean ocean energy. For collecting Kuroshio power, we need to build high performance turbine generators suitable for flow speed less than 1.5m/s. Conventional blades of waterwheel turbine are usually fixed to the rotating disk, and this leads to retard the rotation of the rotating disk due to the counteraction of the thrust. In this study, we present a new ...

張嘉哲

碩士 / 國立海洋大學 / 河海工程學系 / 88 /

Zhi Rong Zhang, 張智榮

碩士 / 大葉大學 / 機械工程研究所碩士班 / 97 / In many engineering situation concerning off shore structures of a great importance (pipelines, underwater tunnel crossings in oil industry), their resistance against the load produced by underwater explosions is an important component of the entire structure’s safety. This thesis is related to the analyses of an underwater pipeline protected by an external covered concrete subjected to an explosion close to the external protective structure. At first, the nonlinear...

LIU,DAO-CHING, 劉導清

碩士 / 國立臺灣大學 / 應用力學研究所 / 81 /

Sheng-Cyuan Fang, 范盛詮

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 102 / In the sonar equation, target strength is the parameter representing the reflectivity of the target under the water. This thesis studies the target strength based on the spherical shell scattered theory and analyze the target strength of fluid-filled thin shells with various geometry. The thesis is mainly involved in three parts. The first part is the computational result of the spherical shell scattered field according to analytic solution[1] ,and comparison ...

Liao, Wei-Hung, 廖偉宏

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 102 / The objective of this research is to implement a low-complexity OFDM communication platform suitable for underwater communications. In the underwater communication platform, we adopt NI PXI embed controller and DAQ data acquisition card as the hardware equipment and LabVIEW software to execute data transmission and detection. Based on the communication platform prototype developed last year, we propose a scheme to reduce receiver’s complexity and also add an extra ...

Lin, Ching-Chuan, 林清權

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 102 / In underwater voice communication systems, obstacles, such as very limited bandwidth of acoustic wave transmission, propagation delays of multipath and frequency selectivity of underwater channel, have made voice communication rather challengeable. In this thesis, an underwater voice communication system is proposed, which uses G.729 speech coder to reduce the voice size as well as the techniques of orthogonal frequency division multiplexing (OFDM) and pilot-based ...

Yung-tse Lin, 林永澤

碩士 / 國立臺灣科技大學 / 機械工程系 / 98 / Nowadays underwater cleaning of glass walls of the underwater exhibition or large fish tanks is mainly done by manual work. The existing underwater cleaning robots, with symmetrical structures, need several motors and complicated control systems to make them moving in a straight line. In this research, an innovative triangular-frame concept was adopted to design the underwater cleaning robot in order to clean flat wall and to meet low cost and low energy consumption ...

YOU-SHENG CHENG, 鄭友昇

碩士 / 國立臺灣科技大學 / 機械工程系 / 98 / In the recent years, the developments of underwater cleaning robots are less than those working on land. The existing underwater cleaning robots are mainly focused on wide-range cleaning with large sizes, which are not suitable for certain small-region cleanings such as household and aquarium fish tanks. Therefore, this study attempted to reduce the volume of underwater cleaning robot and to improve its maneuverability in order to meet more underwater cleaning demand...

C. S. Huang, 黃峙璇

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 88 / Abstract The subject of this paper is to show that whether the experimental measurement of the attenuation coefficient and the reflection coefficient of sound wave in bubbly screen can be in agreement with the theoretical prediction. In theoretical part，we use the conservation of mass and conservation of momentum to derive the wave equation in bubbly liquid，and then we can find the value of the reflection sound pressure and the attenuation sound pressu...

李錫龍

碩士 / 國立海洋大學 / 電機工程學系 / 88 / Since the energy of high frequency radio wave decays rapidly in the water, the low frequency acoustic wave becomes the main choice for underwater communication. However the underwater acoustic channel is characterized as a time-varying and multipath fading channel, the decay of energy, the interference from multipath, and the spreading of phase and frequency will influence the quality of underwater communication. Therefore,...

莊佳璋

碩士 / 中正理工學院 / 造船工程研究所 / 87 / ABSTRACT In order to improve the motion capability of surface ships or submerged bodies, there is a need to reduce the fluid drag in an effort to lower the consumption of energy. Recently, on both civil and military applications, there are many practical methods proposed to reduce the drag of surface ships and submerged bodies. Coating on the surface of these objects may be the simplest and economic way to achieve better drag reduction since it will not ne...

Ting-WeiHuang, 黃亭瑋

碩士 / 國立成功大學 / 工程科學系碩博士班 / 101 / In this thesis, an underwater localization system is designed and implemented. From reviewing the existing underwater positioning technologies, we develop the underwater localization algorithms from the basic positioning principles. Because radio waves are extremely damped in an underwater environment, we use ultrasonic signals to replace it for communication. The underwater ultrasonic localization system obtains position information by using the TOA (Time of Arri...

Po-yuan Hsiao, 蕭博元

碩士 / 國立中山大學 / 海洋環境及工程學系研究所 / 93 / In recent years, ocean has become a place to dispose of industrial and civil waste waters. Hence, there are more and more projects to establish offshore outflow pipes. These underwater pipes should be kept monitored in order to maintain their functions specifically. The purpose of this research was to explore the two outflow pipes in Kaohsiung offshore area, i.e., Chung-chou outflow pipe and Tso-ying outflow pipe, by using an integrated surveying system which ...

Tso-Cheng Hsiao, 蕭左政

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 96 / The numerical simulation and model test of the dynamic motion of an Underwater Glider were studied in the paper. The operational principle of the Underwater Gliders is to use the so called Buoyancy Engine, to control inflow and outflow of the water volume inside its water chamber, i.e. to change the buoyancy (or weight )of the glider, so that the glider would move forward during its up-lift and down-sink motion. The numerical simulations were carried by O.D....

Tsung-Sheng Kuo, 郭宗聖

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 97 / The purpose of this research is to improve the defect of numerical calculation of sound propagation in the rugged topography. In such a sea bed, some parameters become unable to obtain because of the affection of sharp corners or the large slope of the topography. In order to solve this problem, two methods, the Hilbert-Huang Transform and the Least Square Method are adopted to smooth the topography. In the first step, Empirical Mode Decomposition in the H...

Wen-hung Chuang, 莊文鴻

碩士 / 國立臺灣科技大學 / 機械工程系 / 96 / Nowadays the underwater cleaning of the exhibition glass walls in aquariums or large fish tanks is mainly done by manual work. There is no maneuverable underwater cleaning robot for this purpose. Although there exits robots for ship rust removal by magnetic attachment, their volume and weight are too huge and they are not able to attach to non-metallic surfaces such as glass. Therefore, there is a need for meso-scale underwater cleaning robots. This research develope...

Jen-hao Hsueh, 薛人豪

碩士 / 國立成功大學 / 水利及海洋工程學系碩博士班 / 95 / The size of storm sewer is decided by rational method and steady uniform flow for designed discharge. According to theory of gradually varied flow and surcharge flow, the paper establishes the model of storm sewer system and analyses the delivery capacity of the mild slope storm sewer systems. The accuracy of the model was verified by comparing with experimental data. The paper analyses design case for drainage of steady flow and unsteady flow, exploring the ...

Chia-ta Lu, 盧加達

碩士 / 國立中山大學 / 海下技術研究所 / 94 / The research aims to design an experimental testing mechanism and process for measuring the scattering strength and the pattern induced by an underwater target. The experimental data are to compare with existing theoretical results to insure the integrity of experimental design. The experiment is conducted in a water tank of dimension 4m x 3.5 m x 2m. The main work is to measure the sound field scattered by a copper sphere of diameter 60mm. There are two types of sou...

Cheng-Chang Li, 李昌城

碩士 / 華梵大學 / 機電工程研究所 / 94 / The aimed of this paper is to study the laser drilling technique with the water cooling-assistance for brittle substrates. The method can reduce the generation of the defects in the drilling hole relative to that of the conventional laser drilling in air. The lasers used were CO2 Laser and Nd:YAG Laser. The experimental materials were LCD Glass, alumina substrates, and silicon wafers. The substrates were immersed under water with a distance of 1mm. The quality of laser...

Bang-Jean Lin, 林邦駿

博士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 97 / The underwater explosion phenomenon, shock wave and the dynamic response of the structures attacked by shock pressure could only be acquired by expansive and time-consuming experiments of underwater explosion in early days. The model of failure mode can only be used once and the available results are often limited; hence, it is necessary to conduct numerous experiments to acquire sufficient data while the costs of the experiment are extremely high. The effectiv...

Min Lei, 雷敏

碩士 / 國立中山大學 / 機械與機電工程學系研究所 / 103 / GPS technology has been developed quite mature and can quickly provide accurate positioning of most Earth surface. GPS has wide range of applications, from daily life to military purposes. But it still has limitations. Because GPS signals can only pass through shallow waters, underwater positioning is usually achieved by using the transponders. The transponders, which are laid on the seabed or underwater vehicle, receive the signals transmitted by the transceiv...

何智超

碩士 / 中華大學 / 土木工程學系碩士班 / 89 /