Yao-Zong Wang, 汪耀宗

碩士 / 國立臺灣海洋大學 / 資訊工程學系 / 97 / Compared with traditional terrestrial radio transmissions inWireless Sensor Networks (WSN), the features of transmissions in UnderWater Sensor Networks (UWSN) include lower transmission rate, longer delay time, and higher power consumption. In such a circumstance, the negative effects of transmission collisions deteriorate. Most of the existing UWSN MAC protocols handle the collision problem in a single hop or light-loaded environment. They fail to function effectiv...

Ya-Ju Yu, 余雅茹

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 97 / Underwater acoustic communication is an interesting research topic. Underwater acoustic transmission system can apply in command/control instructions of underwater system, transmission data of underwater measuring instrument such as sonar system or hydrophones, and underwater images transmission. There are some unique challenges due to harsh underwater environment such as limited bandwidth, high and variable propagation delays, high bit error rates, and severe frequ...

Chia-Chang Lee, 李佳昌

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 97 /

Cheng-Pin Chen, 陳正濱

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 97 / In this paper, we present a power assignment mechanism which is suitable for orthogonal frequency division multiplexing (OFDM)-based underwater acoustic data communication. An essential feature of this scheme is that higher power is allocated to the information that requires higher quality of service. To achieve the purpose of maximum resource utilization, or minimum total transmission power, we also incorporate unequal error protection and adaptive modulation techn...

Yu-Cheng Chen, 陳禹成

碩士 / 國立中央大學 / 土木工程研究所 / 89 / Untreated household sewage has become a main source of environmental pollution in Taiwan. To tackle this problem, sewerage collection systems must be built as efficiently as possible. Among many urgent tasks, rationalizing a suitable engineering procurement approach remains to be contemplated. The enactment of Government Procurement Law provides high potential to solving this predicament. This work focuses on evaluating various procurement models is con...

Chin-Chang Ho, 何晉昌

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 88 / The goal of this thesis is to develop an effective procedure of sonar image processing to support routine underwater inspections of underwater structures. Planned missions include real-time sonar imaging and data collection along an underwater surface while maintaining the sonar position on a pre-set track or hovering by a designed site using an remotely operated vehicle. Due to the reason that it is difficult to obtain a clear, large-scale image of the scene be...

Chen Yen-Liang, 陳彥良

碩士 / 國立海洋大學 / 電機工程學系 / 88 / The underwater channel is a complex environment with severe interference, thus the implementation of underwater communi-cations is more difficult than that of radio communications. Furthermore, the energy of radio wave decays rapidly when it is propagated in water, therefore the acoustic wave is a better choice for underwater communication. In this thesis, the pi/4 DQPSK modulation techniques for under-water acoustic(UWA) telemetry modem are investigated. ...

Ching-Cheng Huang, 黃經程

碩士 / 國立臺灣大學 / 造船及海洋工程學研究所 / 87 / Owing to the modeling errors, parameter uncertainty and nonlinearity in the dynamics of the autonomous underwater vehicles (AUV) and the uncertainty of its operational environment, we need a robust and stable controller to have good control performance. The development of fuzzy logic control (FLC) in the form of sliding mode (SM) has been shown to provide robustness to the AUV autopilot design. In this thesis, a new method in designing membership functions of sli...

Chia-Hsiang Lee, 李佳祥

碩士 / 國立海洋大學 / 電機工程學系 / 87 / Underwater communication has received broad attention in recent years. Since the high frequency radio wave attenuates rapidly in the water, the low frequency acoustic wave is often adopted for underwater data transmission. Underwater acoustic channels are usually time-varying and may exhibit multipath fading. The existence of multipath fading makes the received data symbols interfered by their neighboring symbols. This phenomenon is called intersymbol interference (IS...

Liang-Ching Lin, 林良清

碩士 / 中原大學 / 資訊工程學系 / 87 / In the process of spreading various underwater acoustic signals in the ocean, because of being affected by the ocean environment and all kinds of oceanic noises permeate through, it is necessary to have a appropriate signal procedure after receiving to identify the signals that energy is already decreased by long distance transmission and environment interruption. To study real-time underwater acoustic signal identification, it is divided into two important parts: the f...

Lu, Chao-Chin, 呂朝欽

碩士 / 國立高雄應用科技大學 / 土木工程與防災科技研究所 / 101 / Water resources amount increase fast since 60’s in Taiwan because of the industry development and people living demands. And the wastewater drained into rivers had caused pollution. Large amount of public construction funds were invested in sewage piping systems and treatment plants for improving river quality. However, sewage piping systems often had crack, blocking, collapse and other defect or damage after long-term use. In order to early detect the pip...

Yu-ChenKo, 柯昱辰

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 101 / The purpose of this paper is developing a procedure to distinguish target characteristics such as material and size by observing convergence frequency through iterative time reversal process. The proposed procedure is verified from designed simulations and experiments by using slim shell circular tubes as targets. These slim shell structures produce lamb waves that contain energy within corresponding frequency bandwidth. The iterative time reversal process i...

Lin,Ming-Fong, 林銘峯

碩士 / 中華大學 / 營建管理學系碩士班 / 98 / Because of the population aggregation and need for people's livelihood, the self-purification capacity of river water are reduced in Taiwan. Although our country has moved into modern country, the low level of sewage treatment will affect the overall national competitiveness. In order to speed up construction of sewage systems, the government will incorporate sewage into the major national construction projects in recent years. The link percentage of sewage will be i...

SHIH,ZIH-SYUAN, 施梓萱

碩士 / 高苑科技大學 / 土木工程研究所 / 102 / Urban flooding phenomenon can be improved by the good drainage system. With constantly updated urban development, drainage systems must also continue to improve the bottleneck. In response to the disaster cause by increasingly unpredictable weather storm; the standards of drainage and flood control must be improved, and the methods of urban flooding evaluation measures must be developed to implement the improved results. With the rise of rainfall amount in a short t...

Te-En Hsu, 許得恩

碩士 / 國立臺灣海洋大學 / 電機工程學系 / 101 / The main objective of this paper is the research and improvement on ultrasonic array imaging system. Research is going to be focused on the sensor device of imaging system of the ultrasonic imaging system so as to reach the goal of enhancing the reflective wave signal intensity of the sensor device and improving the signal sensing distance. The sensor devices prepared in this paper are respectively the ultrasonic sensor device made up of piezoelectric piece wit...

lee wei hung, 李威宏

碩士 / 國立中央大學 / 營建管理研究所在職專班 / 102 / ABSTRACT The past research of indefinite delivery contracts have discovered that different project sizes and characteristics affect the application of indefinite delivery contracts to the projects. They also suggested thatgovernment organizations can establish different indefinite delivery contract structures for the projects of different characteristics. However, past researches seldom discuss and analyze such topic on indefinite delivery contracts for sewerage...

邱培剛

碩士 / 國立嘉義大學 / 土木與水資源工程學系研究所 / 101 / This study investigates the engineering properties containing durability and microscopic properties, flow, unit weight, water absorption, compressive strength, chloride ion penetration resistance, sulfateerosion and antibacterial properties resistance, of cement mortar mixtures in which sand was partially replaced by oyster shell powder and bamboo charcoal powder. However, the cement mortars contain those recycled material used in the possibility of concrete s...

Kai-Ti Chang, 張凱棣

碩士 / 淡江大學 / 資訊工程學系資訊網路與通訊碩士班 / 101 / Underwater acoustic sensor network uses sound waves to be transmitted, resulting in underwater network with high propagation delay characteristics. Therefore, this paper designed for underwater network environment routing protocols, thereby reducing the underwater acoustic sensor network to send packets to the end-to-end delay and for collaborative work on underwater acoustic transmission sensor network. Through simulation, this paper found that the proposed ...

Yu-Chih Chen, 陳昱志

碩士 / 國立臺北科技大學 / 機電整合研究所 / 101 / Nowadays, inspection robots are equipped with a camera and are used only for observation and environmental inspection in consideration of their envisaged applications and available designs. Moreover, existing inspection robots usually have complex mechanical structures, which could make them bulky and expensive in the context of movement in bends or vertical pipes. Consequently, this study focuses on developing a simple and compact tracked robot with a waterproof ...

Tsung-che lu, 呂聰哲

碩士 / 國立中央大學 / 營建管理研究所碩士在職專班 / 100 / The construction of sewage pipeline can effectively improve the sewage system in urban area and is vital to the success of social as well as economic development of a city. The key success element for a sewerage pipeline project is reasonable accurate estimate of its budget cost. Normally the estimation is done by relying heavily on engineering personnel expertise and therefore is frequently subjected to uncertainty. The objective of this study is to develop r...

Yu-Cheng Lin, 林宥丞

碩士 / 國立臺灣海洋大學 / 資訊工程學系 / 101 / The features of transmissions in underwater sensor networks (UWSNs) include lower transmission rate, longer delay time, and higher power consumption when compared with terrestrial radio transmissions. The negative effects of transmission collisions deteriorate in such environments. Existing UWSN routing protocols do not consider the transmission collision probability differences resulting from different transmission distances. In this paper, we show that collision ...

Liang-Chih Chang, 張良誌

碩士 / 國立臺灣海洋大學 / 應用地球科學研究所 / 101 / In this study, we used the electrical resistivity method for imaging subsurface structures of the lake bottom sediments in the Da-hu Lake in Ilan, Taiwan. Floating passive electrodes were utilized for the surveys in the study area. We deployed 24 survey lines across the lake, and executed the survey with Schlumberger and Wenner array. There are two geological cores, DH-7A and DH-7B, located at different locations in the Da-hu Lake. The cores were carefully colle...

Chia-KaiLin, 林家凱

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 101 / To develop the Power/Signal Management System (PSMS) which assist Multi-mode ROV in operating at complex ocean environment. Include six parts: shore-end system, the main structure, power system, propulsion system, communication system and sensors, while the last five parts called depressor. System architecture use modular design to achieve easy portable, easy expansion and convenient replace or repair. Currently, acoustics-based locating is the main-stream m...

Hou,Kuochang, 侯國章

碩士 / 國立高雄海洋科技大學 / 微電子工程研究所 / 100 / Recent years, piezoelectric material is very important from the viewpoint of calibration of acoustic device. Piezoelectric material has been widely used for underwater guidance or accurate distance measurement. In most cases, piezoelectric hydrophones are used for such measurements. The sensor sensitivity of a focused acoustic device is determined using this hydrophone. A finite-element analysis (FEA) was calculated to evaluate the resonant frequency of the dia...

Jeng-Ying Chen, 陳正穎

碩士 / 聖約翰科技大學 / 電子工程系碩士班 / 100 / Underwater acoustic communication is a core of oceanography . This channel has exhibited two kinds of important characteristic such as extensively time-varying multipath and high level non-Gaussian ambient noise. At presented underwater acoustic channel communication transmission, acoustic wave is the best choice by its characteristic which is hard to absorb in water. In this paper, we use the underwater acoustic channel model[1] and then orthogonal frequency divi...

Chih-En Chang, 張誌恩

碩士 / 聖約翰科技大學 / 電子工程系碩士班 / 100 / In this paper, we use the underwater channel model is [1] for our research. We use the Orthogonal Frequency Division Multiplexing system for the underwater channel to improve the transmission results. There are several important features in the warm shallow underwater channel, such as time-varying and multi-path effects. The Doppler spread effect makes the phase drastically changes. It causes unfavorable factors in underwater communication. In this paper, we use t...

Chuan-yong You, 尤銓庸

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 97 / The RF (radio frequency) technique utilizes radio-frequency waves to transmit messages. Radio frequency usually means the radio-wave frequency is less than 300GHz. In this study, RF wireless technologies are applied to network communications and the control of underwater mini-vehicles. The RFID (radio frequency identification) system is a typical integration of RF technologies and network communications. In the first part of this study, the data are collected...

Jia-xuan Zhong, 鍾家軒

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / The purpose of this study is to develop an underwater geological survey system by integrating a self-developed echo sounder and a global positioning system. In the hardware implementation, we take fully advantage of LM1812 from National Semi-conductor and TC-2111 transducer operating at 200kHz to build the echo sounder for detecting water depth. Data acquisition is first done by a PC based LabVIEW environment to understand the character of sound wave in water...

Kai-Che Hsu, 許哲愷

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 96 / There are many underwater crude oil and nature gas pipelines on the ocean bottom around Taiwan. They are subjected to abrasive shear loading stemming from external force by nature phenomenon and human activities. In order to protect these pipelines, more research to advance underwater technology is needed. A prototype of particle tracking velocimetry system integrated with particle recognition has been developed for installation on an ROV (Remote-control Oper...

Hsiu-hui Kung, 龔秀惠

碩士 / 國立成功大學 / 工學院工程管理專班 / 96 / The functions of the sewage sewer, including maintains living environments,improving river water qualities, perfecting metropolis development, and promoting population’s health, have become the measurement indicates for a modernization city. The sewage system is the important public infrastructure actively implemented by the central government now, since it can furthermore improve our environmental quality and promote the nation’s competitiveness. The percentage o...

Chao Yi, 伊釗

碩士 / 國立臺灣大學 / 土木工程學研究所 / 96 / Since the policy of construction and operation of sewage system has been shifted from Government Procurement to Private Participation at 2004 as well as the national sewage system plan stage three has been reviewed and revised, right now there are two systems, Government Procurement and Private Participation (also known as BOT), for the government to promote the sewage system project. In the process of carrying out the investment contract of sewage system BOT projec...

Chih-Hung Chen, 陳志鴻

碩士 / 國立臺灣大學 / 生物環境系統工程學研究所 / 93 / Because of the growth of economics and population, the phenomenon of urbanization in Taiwan becomes more significant.　The storms caused by typhoons take place in summer or autumn seasons that existing hydraulic facilities often cannot meet the demand and urban inundation results. The SOBEK model developed by the WL|Delft Inc, the Netherlands, is selected for simulation inundation potentials in this study . The model is calibrated and verificated based on the t...

林悅翔

碩士 / 逢甲大學 / 水利工程與資源保育學系 / 103 / Environmental sanitation and river water pollution in contemporary nations are receiving increasing attention. A sewer system is a basic infrastructure in urban sewage disposal for preventing river water pollution, thus improving the living environment. Presently, the sewer system in Taiwan comprises mostly the gravity type. When the topography of the sewage collection area is uneven, has steep slopes, and has high groundwater tables, the installation of pipes bec...

Chi-You Tsai, 蔡期有

碩士 / 國立臺灣大學 / 環境工程學研究所 / 94 / First flush resulting from urban surface runoff is recognized as one of the major causes of quality deterioration in the receiving water bodies. Accordingly, an auto-control system is planned in this study to manage the runoff pollution in a real-time control in an urban drainage system. To understand the first flush phenomenom and to simulate the controlling efficiency, an auto-control system has been constructed. The storm water management model was employed to si...

Hung-Ju Liao, 廖鴻儒

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 94 / Thruster motors of underwater vehicles often connect to driving circuits embedded in a water-sealed pressure case through water-sealed cables and connectors. Brushless DC motors (BLDCM) output commutation signals to the driving circuit by Hall effect sensors. This implies the requirement of a significant size and pin number for the connectors. Connectors for underwater applications are often expensive, and hence reduction of the pin number implies reduction o...

Yu-Ming Cheng, 程瑜銘

碩士 / 中原大學 / 資訊工程學系 / 88 / During propagation of the underwater acoustic signal is affected by ocean interference and environmental noise disturbance, in order to distinguish the weaken signal caused by long distance propagation loss the received signal must be processed properly. There are two emphases about this research. The one is underwater acoustic signal feature parameter extraction by using wavelet packet decomposition. The other is the signal pattern recognition by using of Hidden Markov...

I-HungSu, 蘇義閎

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 98 / A nonlinear dynamic system usually contains some uncertainties, such as plant uncertainties and external disturbances, which may make the desired performance hard to be achieved or even cause the close-loop system unstable. This research proposes a fuzzy-sliding mode controller to resolve the above problem. The proposed controller is based on Lyapunov synthesis approach so that the close loop transfer function between the exogenous inputs and the controlled...

Che-WeiChuang, 張哲維

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 98 / Low-Frequency-Hydrophone (below 200 kHz) is widely used. In underwater acoustics researching, it can be applied to underwater communications, underwater acoustic positioning system and underwater geological surveying system, etc. Mastering hydrophone technology and capability of independent developing is an important key point on underwater acoustics research and other related research and application. Commercially available hydrophone is not only more expens...

Shu-Chuan Chiang, 姜淑娟

碩士 / 國立臺灣大學 / 環境工程學研究所 / 93 /

Jinn-shiung Kuo, 郭進雄

碩士 / 國立臺北大學 / 公共行政暨政策學系碩士在職專班 / 94 / In recent years, the government in Taiwan, based on the public development promotion policies adopted in other countries, has repositioned the role of the government to promote innovation, efficiency, and capital of private enterprises, and to improve the civil service quality. BOT project generated under such trend has risks such as high advanced cost, long work period, and slow investment return. Since the risk is transferable, the public departments and pr...

Chen Hsiang-I, 陳祥益

碩士 / 中原大學 / 資訊工程研究所 / 86 / There are two emphases about this research. The one is underwater acoustic signal feature parameter extraction by using digital signal processing and then getting the template feature parameter by training the self-organization map neural network. The other is the fuzzy logic recognition system and establishes the fuzzy logic rules to membership functions modification. Finally, the two parts are integrated to prove that our research can be realized. During the feat...

Po-Chieh Lu, 盧柏杰

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 97 / The main purpose of the thesis is to establish a visual servo control system for autonomous underwater vehicle（AUV）to track pipeline, and by the use of buoyancy, thruster, visual servo system and PID controller to accomplish the tasks. In the hardware construction, the control system is consisting of highly extendable embedded system. Gyro and electronic pressure sensor are used to determine the position and depth of the AUV. User can manipulate the AUV on th...

Pin-hsuan Chiang, 江品萱

碩士 / 國立成功大學 / 系統及船舶機電工程學系碩博士班 / 97 / The purpose of this thesis is to design a small Autonomous Underwater Vehicle platform composed of modular section. The advantages of the AUV are easy to carry, easy to repair or upgrade. The overall plan is divided into seven sections, bow section, bow and stern side thruster, bow and stern buoyancy engine, main control section, and stern section. The bow section is a fairing hemispherical dome. The control system located in the main section control all the ...

Fan Chia Chuan, 范嘉全

碩士 / 中華大學 / 土木與工程資訊學系碩士班 / 96 / For project management of most sewer systems engineering work, the critical path method (CPM) often is used to display the status and progress of each task. However, presently this has often been done by hand rather than by utilising suitable software, hence when delays or other events occur requiring various tasks to be rescheduled or adjusted, it is often cumbersome to reflect such changes in a fast and efficient manner. In this research, a sewer system engineer...

Kuan-PoShou, 壽冠博

碩士 / 國立成功大學 / 系統及船舶機電工程學系 / 103

胡瞻淇

碩士 / 中華大學 / 土木與工程資訊學系(所) / 96 / Abstract Due to the excessive use of land in urban area, the water-proof area begins to increase and it causes the flow increases on the surface of the earth. This problem makes the original designed drainage system cannot be able to funtcion as it is sopposed to be and it not only causes flood to people but also influences people’s lives and properities. In the past, in order to improve the situation of overflow of sewer, the caliber of rain water sewer had been ...

L. C. Liu, 劉立群

碩士 / 國立海洋大學 / 河海工程學系碩士在職專班 / 91 / A Review of Design Flow And Field Experiment of Taipei City Sanitary Sewer System Abstract In recent years, Wastewater and river pollution are becoming critical issues in the urban areas in Taiwan. In the year 2002, the central government publicly announced that there will be 655 hundred million NT dollars to be put in use, In order to increase the users，pipes connection rate from 8.7﹪to 20.3﹪. However, due to the lack of field...

Yu-Tzu Lin, 林育賜

碩士 / 國立中山大學 / 中山學術研究所 / 88 / Abstract Underwater cultural heritage can be classified into two categories: one is shipwrecks and isolated objects, and the other is submerged sites. It has been sealed underseas and maintaining balance with ambient marine environment, and holds lots of important archaeological and historical messages. With the application of meticulous principles and procedures of archaeology, it can be used for retracing human history and its relation with the n...

Hwang, Ding-Yuh, 黃頂育

碩士 / 國立海洋大學 / 航運技術研究所 / 86 / Abstract-Ocean is a time-varing system with nonlinear acoustic sound speed, which depends on depth, temperature and salinity. The non-constant velocity causes the refraction of energy propagation and thus acoustic rays bend during the propagation, in which the multipath occurs. When the relative radial velocity of platform is significant compared to the sound speed, the Doppler ...

Chia-Chieh Wei, 魏家傑

碩士 / 國立臺灣大學 / 土木工程學研究所 / 103 / Promotion of Private Participation in infrastructure projects is widely adopted by developed countries in the world ( such as Britain, Japan, the United States, Canada). It has been 15 years since the first announcement of "Act for Promotion of Private Participation in Infrastructure Projects" in February 2000 by our Government. In Taiwan, a considerable amount of lessons learn from various projects is accumulating, however, the operation performance evaluation bec...