Sheng-Yu Chuang, 莊昇祐

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 103 / The main purpose of this article is developing a multifunctional underwater acoustic platform base on an autonomous underwater vehicle (AUV). In AUV control, the sensors like sonic range-finder, pressure sensor, accelerometer and compass would send back the environment and the attitude information, these data would feedback to the thrusters and rudders to fix the position and direction of the AUV. When the AUV floating up to the water surface, GPS would calibr...

Yu-Hang Wu, 吳宇航

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 103 / Underwater noise mitigation effect is enhanced with balloon arrays for the stability and noise mitigation effects of bubble curtain in the ocean is limited. The noise mitigation effect is analyzed with bubble resonance theory incorporated into the film theory of the Church mathematical model[1]. Lin et al[2] reported the noise mitigation effects of one-size balloon curtain limited with frequency bandwidth, thus this study uses a balloons of two different radiu...

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 /

HinPeng Teoh, 張興平

碩士 / 國立海洋大學 / 電機工程學系 / 89 / Undersea communication has received much attention in recent years. The undersea environment is varying and inhomogeneous. The propagation loss of electromagnetic or light wave in the water is very high, therefore, electromagnetic and light waves are not suitable for underwater communications. The propagation loss of sound wave in the water, however, is acceptable. Therefore, sound wave becomes the main choice for underwater communications. Since the bandwidth of the ...

呂友翔

碩士 / 國立海洋大學 / 電機工程學系 / 91 / The underwater acoustic channel is characterized as a time-varying multipath environment, which in addition to possible Doppler effect make developing an underwater communication system a very challenging task. Digital communication technology was used popularly to deal with these problems in recent years. Underwater communication systems generally use phase-shifting-keying (PSK) modulation/demodution techniques. In conventional receiver, carrier recovery i...

Mitter Tang, 湯功臺

碩士 / 國立海洋大學 / 電機工程學系 / 91 / With the improvement in digital communications, people come to maturity in the field of underwater acoustic communications, too. In order to increase the transmission effects, digital communications generally use phase shift keying (PSK) signaling. However, because of the complicated energy loss in underwater channel, the acoustic signals need equalizer to overcome the multi-path and Doppler effect. 　When we know the channel’s order, radial basis function n...

Yen Shan Yeh, 葉炎山

碩士 / 國立海洋大學 / 電子工程學系 / 81 / The energy of high-frequency electromagnetic wave decays rap- idly when it is propagated in water;hence the electromagnetic w- ave is not adequate to underwater communications.In this thesis, techniques of underwater data transmission using acoustic wave and maximal length sequences (m-sequence) are investigated. The m-sequence coding method is popularly adopted by spread spectru...

Jin-Der Lin, 林進德

碩士 / 國立臺灣海洋大學 / 河海工程學系 / 95 / Abstract In order to promote sewers construction in Taiwan, Taiwan government is going to increase the Household Connections Prevalence rate from 11.5% in 2003 to 22.1% in 2008, and also to increase the Total Wastewater Treatment rate from 22.8% in 2003 to 32.0% in 2008. This study is aimed to evaluate advantages, disadvantages, opportunities, and impacts of 3 Building Connection models which are the Traditional Building Connection model (model A), the Japanese Mu...

Chien-Yi Li, 李建億

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 96 / Autonomous underwater glider is a kind of underwater vehicles which is suitable for measuring and collecting large-scale underwater hydrographic information. The gliding principle of an underwater glider is being means of buoyancy engines to inside the glider control a ballast tank for intaking and expelling water. Thereby, difference between buoyancy and weight, and also difference in distance between center-of-buoyancy and center-of-gravity can be produced. T...

Wei-Jen Lee, 李偉仁

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 103 / In the underwater signal-receiving device, the detection and analysis of the ultrasonic signals is a real-time task and all the misjudgments must be prevented. Therefore we need to design a stable and real-time system, which means the time complexity of the analyzing method should be simplify; thus, the power consumption can be reduced. We simulate the underwater ultrasonic signals and its attenuation by SMBV signal-generating device, and receive digital sign...

Tzu-Ching Liu, 劉子靖

碩士 / 國立臺灣大學 / 工程科學及海洋工程學研究所 / 103 / The underwater vehicle is a vehicle that could carry human beings or equip instruments to carry out underwater missions. Based on different requirements of the missions, we have to choose appropriate ones for both economics and effectiveness considerations. SONAR(SOund Navigation And Ranging) is an useful technique for surveying sea-bottom topographies. Equipping the transducers with the underwater vehicle could increase the effective depth of SONAR. However, ...

Cheng-Yung Chen, 陳正庸

碩士 / 淡江大學 / 建築學系碩士班 / 102 / The great Taipei expands from city center towards the edge of Taipei Basin during its rapid development. The process of expansion slowly but surely eats away the environment that supports the city, cuts off the corridor of life and invades the environment in which original wildlife is trying to survive. The original natural landscapes give way to urbanization. Impacts are created to the ecosystem services provided by natural environment. Landscapes are one of the ...

Wen-Ning Chuang, 莊文寧

碩士 / 國立中山大學 / 海下科技暨應用海洋物理研究所 / 102 / Remotely Operated Vehicle (ROV) has flourished in recent years, as evidenced by facilitating the replacement of divers and manned submersibles for the operation of diverse underwater tasks. Currently ROVs are being used worldwide for a variety of underwater tasks, including scientific research, mine hunting, offshore engineering, structural inspection, heavy work construction, and wreck recovery. In Taiwan, ROV technology is well-known in academic circles but...

Kuan-hua Tseng, 曾冠華

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 97 / Abstract This thesis includes two subjects. Mainly in the first part is established a measurement system of the underwater acoustic with wideband diversity imaging. The second part is applied non-linear electronic circuit load in submarine. The first part is to get abundant Fourier space data. In order to achieve the purpose of the wideband diversity, it will be used to scan more frequencies and matching the angular diversity techniques to capture the Fourier...

Wei-chi Lee, 李威慶

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 97 / We used the land radio communication theories in this thesis and applied to acoustic waves for underwater channel propagating. Because the underwater channel is a complex environment with severe interference, thus the implementation of underwater communication is more difficult than that of radio communication. So the main purpose of this thesis is constructing reliable underwater communication system. The software interface is written by use of Labview. We c...

Shih-Chao Chou, 周詩朝

碩士 / 國立中興大學 / 環境工程學系所 / 96 / The operations of the sewage treatment plant which belong to industrial department in industrial park have continually negative operating profiles. The reasons may be due to needs of the sewage treatment plant in the initial stage, extended constructions and changed operations caused by strict environmental protection regulations, changes of waste water qualify and quantity from factories in the park. As a result, the using rates of sewer systems need to be made and/...

Shyi- Jong Chiou, 邱錫忠

碩士 / 國立臺灣海洋大學 / 河海工程學系 / 94 / The sewerage system helps improve the sanitary condition of the city environment, enhance the quality of the living environment, and prevent the pollution of the nearby river basin. The sewerage system is also recognized as one of the indices to measure the competitive advantage of a country. For developed countries, the construction of the sewerage system is always an important public infrastructure as it indicates the level of modernization of a city. In Taiwan...

Peng-Wei Chou, 周鵬偉

碩士 / 大葉大學 / 機械工程研究所碩士班 / 93 / The dynamic response of a vehicle structure to an underwater explosion is a complex problem due to the interaction between the fluid and structure. In the past, extensive research was conducted in the field of underwater shock to better understand the effects of blast damage on shock hardening of a structure. The study has involved both physical testing and numerical modeling of uncoated metal cylinders of various configurations such as unstiffened, stiffened, singl...

Hsieh Chi Ta, 謝其達

碩士 / 大葉大學 / 機械工程研究所碩士班 / 93 / Consider the situation created by a nuclear or chemical underwater explosion attack upon a surface ship or submarine. There is within the vessel myriad equipment and machinery that must continue to function if the vessel is to survive and fight. And the Dynamic Design Analysis Method (DDAM) is the U.S. Navy’s specified analytical method of qualifying non-testable equipment and supporting structures to withstand the effects of shock. The technique is based on experim...

Ying-guan Tsai, 蔡營寬

碩士 / 國立中山大學 / 海洋環境及工程學系研究所 / 94 / Recovery of unattached offshore facilities or missing equipments is a challenging activity. Generally speaking, this activity involves a comprehensive procedure which includes: target characterization, searching, detection, verification, locating, reacquisition and salvage. Among them, target searching and detection are the most critical components of the whole procedure. The purpose of this investigation was dedicated in discussing the efficiency by the applica...

Sheng-Feng Wang, 王聖丰

碩士 / 國立中興大學 / 環境工程學系所 / 94 / Sewer networks system is an important and basis construction for a country. A complete sewer networks system includes sewer lines and sewage treatment plants. The expense of sewer pipelines is the major part of sewer networks system. Generally speaking, engineers always hope to use the minimal layout cost to design a standard and regular sewer networks system. The problem of sewer networks is highly complicated. Engineers had spent much time and effort using traditio...

Hsieh,Te-Chung, 謝德中

碩士 / 大葉大學 / 機械工程研究所碩士在職專班 / 94 / ABSTRACT Taiwan is located at the center of Western Pacific Archipelagos, and it is surrounded by ocean, so the oceanic traffic is very important. In recent years, many shipwrecks and flight crashes have been occurred, and orientation technique is needed to find the survivors. On the other hand, the investigations and developments of undersea oil tubes, undersea oil field, exploration of mineral, scientific research of deep sea, undersea tour, and military uses...

Li-Wei Chen, 陳力維

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 92 / The underwater communication channel is a very complicated environment for data transmission. Due to the effect of the multipath and Doppler effect, the frequency and phase differences will appear between transmitter and receiver. In analog communication systems, the problem can be solved by a phase-locked loop (PLL). To improve the performance, in this thesis, we use the interpolator and all digital phase-locked loop (ADPLL) to achieve carrier and symbol timing syn...

Chi-Chuang Chen, 陳志強

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 92 / An important problem of the underwater acoustic communication system is to overcome multi-path and Doppler effects in the severe fading channel. Therefore an optimum equalizer needs to be continuously developed to avoid inter-symbol interference and to improve the quality of communications. In this thesis, the implementation algorithms based on the blind adaptive decision feedback equalizer (BADFE), which function can be automatically adjusted according to variation...

Zheng-Yu Zheng, 鄭正裕

碩士 / 國立臺灣海洋大學 / 河海工程學系 / 92 / This thesis is concerned with the problem of predicting the motion of an articulated tower and cable subjected to noncollinear wave and current. Considering the structure as a spherical pendulum, Lagrange’s form of D’Alembert principle is employed to develop an analysis procedure. In this approach, dynamic fluid loadings varying along the entire length of the structure are integrated numerically and transformed into the genertlized active forces. Runge-Kutta method ...

Ming-Yuan Lin, 林明遠

碩士 / 國立交通大學 / 工學院碩士在職專班營建技術與管理組 / 94 / Abstract The Projects of Sewerage System was the indicator of the country development and the most important policy of the world. There were only 13.07％ sewerage connection ratio and 28.36% sewerage treatment in Taiwan. There was more than 80% in U.S or in Europe. People was not only care about the economic the quality of the environment. Public participation has become an issue of the social system. In order to maintain the life quality, remove and preven...

Hsiao-Ping Yeh, 葉筱萍

碩士 / 國立中興大學 / 土木工程學系 / 93 / Sewer systems are buried underground so that the authorities have difficulties to maintain, monitor, and rehabilitate sewer systems. On the contrast, sewer systems are easy to get cracks and damages because of corrosive wastewater inside sewer and complex surrounding outside sewer. Serious cracks and leaks could result in exceeding the designed rate flow of the sewerage treatment plants due to the infiltration of rain or underground water. Also, the exfoliation of sew...

Ping-Tse Lin, 林秉澤

碩士 / 國立屏東科技大學 / 土木工程系所 / 100 / The Contents of Abstract in this Thesis: The thesis collects the sewage pipe jacking methods currently applied in Taiwan to point out the difference in the mechanism between the shield tunneling method and the pipe jacking method. The differences in pipe materials, equipments and construction methods between these two methods are also explained. The thesis lists the items which must be noted during pre- and under pipe jacking construction, including the requir...

Chia-Min Lin, 林家民

碩士 / 國立中山大學 / 海下科技研究所 / 103 / This study is to develop a range-only positioning approach that integrates the real-time measurements of a pressure sensor, the velocity evaluation from the Doppler velocity log (DVL) and the range information between a single seabed transponder and an underwater vehicle. This technique was used to effectively reduce the cost of deployments of the seafloor transponders, to precisely navigate the underwater vehicles, and to practically improve the variation of the up...

Jia-De Su, 蘇家德

碩士 / 國立中山大學 / 海下科技暨應用海洋物理研究所 / 102 / Twist-Pair Towed Camera (abbr. TP-TowCam), which means when we use this vehicle in the ocean, the more depth we yearn to explore, the more darkness we have. Therefore, we demand the deep-sea lights to augment the illuminance of hydrography. There is one problem we need to face, inasmuch as the light in the ocean was absorbed and scattered by the sea’s depth. It makes a point that the TP-TowCam fails to take a photo in the depths of the ocean. However, conside...

HUNG,JEN-CHIEN, 洪仁健

碩士 / 國立金門大學 / 理工學院工程科技碩士在職專班土木工程組 / 105 / Due to the long construction period, the large number of construction interfaces and the wide range of works to be covered. The impact of Engineering delay has great influence . It represents a relative increase in cost. Therefore, how to reduce the probability of occurrence of delay in advance to prevent, it has become an important issue to improve the progress of the project. This study is based on the Kinmen Sewer system. The reason is that Kinmen li...

Yu Chou, 周遊

碩士 / 國立中山大學 / 電機工程學系研究所 / 91 / In this paper, the fesibility of using a Fiber Bragg Grating (FBG) as a sensing scheme to detect the underwater acoustic signals is analyzed. When a FBG is disturbed by an underwater sound, the wavelength of the FBG is changed. Therefore, the central spectrum of the reflected light is shifted according to the wavelength change of the FBG. This spectrum can be detected by an imbalanced two-arm interferometer. Its transfer function will be studied. Also, the polariza...

Yueh-Hao Liu, 劉岳豪

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 92 / none

Chian-Jen Huang, 黃千珍

碩士 / 國立臺灣大學 / 生物產業機電工程學研究所 / 89 / ABSTRACT The objectives of this study were to develop an automatic system for underwater ultrasonic sorting of potatoes, through the application of LabVIEW, a graphical programming software containing automatic acquisition of ultrasonic signals, calculation of power spectral moments, and building functions for the classifications of potatoes. The output results from running the program was adopted to control the potato sorting mechanism. In...

chin ho-lee, 李金河

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 89 / The purpose of a navigation and control system for a remotely operated vehicle (ROV) is to provide precise path tracking capability in the water. This thesis continue the design effort of the navigation and control system of an experimental ROV, ROV-HI1, and focuses on system identification issues and trajectory control of a new vehicle, ROV-HI2. We provide a general framework of the system design and control for the ROV-HI2. The controller structure we applied i...

Chia-ying Lin, 林佳穎

碩士 / 國立中山大學 / 海下科技研究所 / 103 / The manipulator control system used in the work-class ROVs (Remotely Operated Vehicles, ROVs) nowadays is the Master-Slave control system. The master side uses a small replica arm to control the underwater manipulator (Slave side). This kind of system is equipped with servo valve or proportional valve pack along with position-feedback provided by rotary encoder. When the operator changes the position of the master controller, it sends the position signal to the slav...

Chang,Hsiao-Tsun, 張孝存

碩士 / 國立交通大學 / 土木工程系所 / 102 / Rivers in western foothill region is the most important hydrological resources in Taiwan. Hence river weirs are often constructed at appropriate locations along river channels, in order to increase water surface level for water intake. As a consequence of the existence of weir , upstream sediments are blocked at the weir, causing downstream erosion and loss of downstream armoring layer, which eventually led to the outcropping of bedrock layer. The bedrocks are mainly...

Yih-Shyan Yu, 余奕賢

碩士 / 國立中山大學 / 海下技術研究所 / 87 / The purpose of this study is to investigate the kinematic and dynamic behavior of an umbilical cable, connected between ROV (Remotely Operated Vehicle) and its mother ship, under the reaction of both random waves and uniform currents. Based on ship motion theory and a seakeeping computer program (MIT-5D), responses of ship motion corresponding to a wave spectrum, regarded as , are first calculated. Then a finite segment model of a cable is modeled and use...

趙岷江

博士 / 國立臺灣大學 / 造船及海洋工程學研究 / 85 /

張宗宏

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 85 / Experimental measurements of underwater sound attenuation and phase speed in a mixture of air bubbles in water were conducted. The bubble sizes in the mixtures were controlled to be about 1-mm to 3-mm in average diameter, and the source frequencies are from 700 Hz to 20 kHz. The measurements of attenuation and phase speed show good agreements with the theoretical values in the region investigated.

Chen, Fu-Kuei, 陳富貴

碩士 / 國立海洋大學 / 電機工程學系 / 86 / Due to the nature of underwater environment, digital communications through UWA channels tend to encounter severe signal degradation caused by multipath propagation and high temporal and spatial variability of the channel conditions. Therefore, it results in that some mature radio communications techniques can not fu...

Chen, Jhen-Ting, 陳鎮廷

碩士 / 國立臺灣海洋大學 / 機械與機電工程學系 / 103 / With the advent of new century, submarine is still regarded as an important deterrent, therefore, the attentions on underwater vehicles technology that attracted many researchers have been focused on its relevant fields. The objective of this thesis is to provide a new design concept for the power systems of underwater vehicles in a way to enhance the reliability of the underlining system by considering partial fault tolerance to provide developers a different d...

Jing-Chun Hong, 洪鏡淳

碩士 / 國立高雄海洋科技大學 / 海事資訊科技研究所 / 103 / This thesis is concerned with the Fuzzy controller design for depth and station-keeping of the remotely operated underwater vehicle (ROV). The tests show the control system is feasibility to ensure the ROV system stability operation in the school pool. The hardware system of the ROV consists of an embedded system (NITM myRIO), a pressure sensor, a digital accelerometer module, two thrusters, and webcam. ROV motion will be affected by current forces, hydrodynam...

Wang, Jie Zhi, 王傑智

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 84 /

Wei, Chih-Ling, 魏志陵

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 102 / In the thesis, we design an OFDM-based acoustic underwater communication system, which can improve communication efficacy. Performance of underwater acoustic communication is greatly affected by factors of very limited bandwidth, severe multipath fading as well as the inter-carrier interference due to Doppler- induced carrier frequency offset. Therefore, the proposed receiver involves Doppler compensation, different channel estimation and equalization schemes for s...

Yan-XiaLi, 李儼夏

碩士 / 國立成功大學 / 系統及船舶機電工程學系 / 104 / The purpose in this thesis is to design and build a remotely operated underwater vehicle (ROV) which is controlled by a smartphone. Since most ROVs are equipped with at least a waterproof video camera and lights at a higher cost, this thesis will show the process of building a partly functional do-it-yourself (DIY) ROV with its target depth of 10 meters which costs about NT$ 7600 and the total weight is less than 4 kg. In the process of DIY the vehicle, this the...

Chen-wei Lee, 李振偉

碩士 / 國立中山大學 / 機械與機電工程學系研究所 / 96 / Station-Keeping is an important capability of the Unmanned Underwater Vehicle in a variety of mission , including inspection and repair of undersea pipeline , and surveillance . Station-Keeping control includes two parts : motion estimation and Station-Keeping control system . In this thesis we propose a monocular vision system for determining the motion of an Unmanned Underwater Vehicle . The vehicle is equipped with a down-looking camera , which provides image...

Yu-Jin Lu, 盧禹晉

碩士 / 國立中山大學 / 海洋環境及工程學系研究所 / 104 / Single-beam, mechanically scanned imaging sonar is an effective system to survey and evaluate the objects in an enclosed or restricted underwater environment. Different from towed array sonar and ship mounted sonar systems, its main functions are to monitor the underwater stationary objects and collect quantitative information, such as dimensions and outer appearance features. Advantages of this sonar system include collecting acoustical images with qualit...

Pei-chun Huang, 黃培鈞

碩士 / 國立中山大學 / 海洋環境及工程學系研究所 / 104 / Disaster or accident happened in or related to the aquatic environment is much more difficulty and dangerous to the rescuers as compared to those happened in the terrestrial environment. In this circumstance, detection, location and salvage the victims under the water or on the water bottom are the major challenges faced by the rescuers. An efficient and reliable way of detecting and locating the victims is therefore a major component of the operation. After th...

Pei-shiuan Shiu, 許珮瑄

碩士 / 逢甲大學 / 水利工程與資源保育學系 / 104 / The primary function of sewage systems is to protect the living environment, advance urban development, and improve people health. Sewage systems are an indicator of the development of modern cities. Taiwan is currently advancing its public sewage construction in an effort to improve the domestic environment as well as national competitiveness. This paper reports the results of a practical training project for end-user plumbing in municipal sewage engineering in T...