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Approved for public release; distribution is unlimited / This thesis makes a cost benefit analysis of relocating the outdated and earthquake damaged supply distribution center of the Turkish Navy. Given the dynamic environment surrounding the military operations, logistic sustainability requirements, rapid information technology developments, and budget-constrained Turkish DoD acquisition environment, the site selection of a supply distribution center is critical to the future operations and logistics supporting the Turkish Navy. Additionally, this thesis analyzes site selection alternatives through the use of three modeling techniques; the Center of Gravity Method, the Electre Method, and the Logical Decisions for Windows methodology. The results of the analysis indicate that the most advantageous location for the naval supply center is in the port city of Pendik. / Lieutenant Junior Grade, Turkish Navy

MT2016

Thesis (M. Com.)--University of the Witwatersrand, Faculty of Commerce, Law and Management, School of Economic and Business Sciences, 2015 / The South African petroleum industry is well-known to be a significant contributor to the country’s GDP. The industry is also known to employ close to 60000 employees in South Africa making it one of the most essential industries that is helping to uplift the country’s economy. However, like most industries in the country, the petroleum industry is not immune to strikes and go-slows which have increasingly become more pronounced over the years. This situation has consequently caused a number of problems for service stations as most service stations do not have complete control of the environment that they operate in, making it difficult for these fuel service stations to meet set targets and be able to ensure that greater profit margins are realised over time. This research sought to determine motorists’ perspectives on the adoption of self-service fuel stations in Johannesburg. The research focused on the adoption of these self-service fuel stations by assessing the general attitudes and perceptions of motorists on the innovation and findings have revealed that motorists generally accept the adoption of such an innovation provided that they understand and benefit from the functionality of adopting such innovations should they be introduced. The research was primarily a quantitative study and a five point likert scale questionnaire was distributed to potential respondents who were Johannesburg motorists above the age of 18 based on the motor-vehicle type they used. Results from the study revealed that motorists are more likely to consider adoption of Self-Service Fuel Stations provided they perceive such facilities to be useful and enhance their service experience at service-stations. Another interesting finding was that security and safety were a concern for most motorists who felt the variable will go a long way in influencing their decisions and attitude to consider adopting these facilities should they be introduced within the South African market. Marketers should therefore ensure that they consider the functionality and potential benefits that Self-Service Fuel Stations may have to Johannesburg motorists as this may go a long way in ensuring their wide adoption within the city should they be introduced.

Chan Sing Nam Leslie. / "Architecture Department, Chinese University of Hong Kong, Master of Architecture Programme 1999-2000, design report." / Includes bibliographical references. / Book 4 Design / Final design product / Special study / Design process / Book 3 Appendix / Precedent studies / Book 2 How to change / Clients' brief / Mission and goals / Site demonstration / Design program / Book 1 Call for change / Question for future / Background of thesis / Inspiration of thesis / Bibliography

近年來，空間機器人被廣泛應用於低地球軌道的空間服務中，其中包括太空船艙內、艙外的活動。因應艙外的活動，空間機器人經常以地面工業用機械臂的形式設計，並擁有相似的關節配置。空間機械臂的關節配置，主要可以分成兩類。第一類是六自由度空間機械臂，例如，太空梭遙控機械手系統SRMS，工程試驗衛星七號RTS-VII '和日本實驗模組遙控器系統JEMRMS 。另一類是七自由度空間機械臂，例如，歐洲機械臂ERA和空間站遠距離機械手系統SSRMS。他們不但能在空間站上完成不同的操作任務，而且能於空間站上進行攀爬。 / 在一個自由飄浮的環境中，空間機械臂的運動會影響太空站的姿態。因此，空間站的姿態穩定對維持太陽能板的接收和系統通訊的信號強度發揮非常重要的作用。大部份太空站姿態穩定的研究都集中於對機械臂的操作運動進行控制。然而，針對機械臂的移動進行優化的研究卻不多。由於空間機械臂的工作空間有限，在空間站上的移動能力是必要的，因此該運動對空間站的影響是無法避免。 / 有見及此，本論文提出一種新型空間站移動技術，從而減低因機械臂移動時對空間站造成的干擾。在維持現有空間機械臂的關節配置下，提出種結合驅動輸和傳統機械手抓優點的新型手抓概念。為了實現這種新型手抓概念，本論文提出了種新型的支架攀爬機械人，名為Frambot' 並在Frambot上實現了新式手抓的設計與應用。Frambot 的設計主要針對不能進行包圍性抓緊的方型析架進行攀爬，手抓的握持力是通過壓縮彈簧而產生，實現低能耗攀爬，提高Ftambot在析架上的工作時間。為了提高Ftambot在析架攀爬時的穩定性，本論文在Ftambot設計了個簡單、不需要傳感器反饋的傾斜修正結構。另外，在Frambot 的平臺上實驗了新式的攀爬運動，從而證明利用驅動輪的原理在析架上進行攀爬的可行性。 / 基於這種新型的手抓，本文為空間機械臂設計出新式空間站移動步履，並分析新式空間站移動步履對空間站造成的干擾。由於傳統的空間機器人系統建模是針對於機械臂的操作運動，因此本文針對機械臂利用驅動輪移動時，對空間站的姿態變化進行建模，並建立一個實驗平臺去對該模型進行驗證。此外，利用空間機械臂的系統模型，對新式的移動步履進行動態運動仿真。透過和傳統的移動步履進行比較，總結出新式的移動步履在空間站的姿態影響和能量需要都是最低的。 / 在一個自由飄浮的環境中，空間機械臂的步履時間越長，對太空站的干擾就越大。另外，空間站的能源是有限的，所以減低空間機臂對空間站的能耗十分重要。本論文考慮到實際的應用，空間機械臂需要移動到空間站上不同的地點完成操作任務，因此提出了空間機械臂在桁架移動時的路徑規規劃方案，目的在於對路徑的總長度和能量需求進行優化。本文提出的路徑規劃演算法，透過利用遺傳演算法，對開型和閉合路徑進行優化。此外，在演算法中引多個新的概念，從而改善遺傳演算法的收斂速度和結果。最後，通過不同類型的仿真，對路徑規劃演算法的性能進行評估。 / The application of space robots has become more popular in performing tasks such as Intra and Extra Vehicular Activities (EVA) in Low Earth Orbit. For EVA, space robots were always designed as a chain-like manipulator with a joint configuration similar to on the earth robotic arm. Based on their joint configuration, they can be classified into two main categories. The first one is the six degrees of freedom (DOF) robotic arm including Shuttle Remote Manipulator System (SRMS), Engineering Test Satellite No. 7 (ETSVII), the Main Arm (MA) and the Small Fine Arm (SFA) of Module Remote Manipulator System (JEMRMS). The other group is the seven-DOF space robotic arm which includes European Robotic Arm (ERA) and Space Station Remote Manipulator System (SSRMS), or Canadarm2. They not only perform manipulation tasks, but also be able to navigate on the exterior of the International Space Station (ISS). / In a free floating environment, motions of a space robotic arm cause the attitude change of a space station because of their dynamic coupling effect. Hence, the stabilization of the space station attitude is important to maintain the electrical energy generated by the solar panels and the signal strength for communication. Most of research in this area focuses on the motion control of a space manipulator through the study of Generalized Jacobian Matrix. Little research has been conducted specifically on the design of locomotion mechanism of a space manipulator. / This dissertation proposes a novel methodology for the locomotion on a space station which aims to lower the disturbance on a space station. Without modifying the joint configuration of conventional space manipulators, the use of a new gripping mechanism is proposed which combines the advantages of active wheels and conventional grippers. To realize the proposed gripping mechanism, this dissertation also presents the design of a novel frame climbing robot (Frambot) which is equipped with the new gripping mechanism, named movable gripper (MovGrip). It is capable of climbing non-enclosable rectangular trusses and the gripping force is generated by the compression of springs. Therefore, the energy consumption in static gripping is zero which allows itself to stay on a truss for a long time. To enhance the climbing stability, a simple and sensor-free auto-tilting correction mechanism is designed. Based on the robot prototype, novel climbing gaits are designed and realized and this verifies the feasibility of using wheels motion in climbing trusses. / With the use of the proposed gripping mechanism, new gaits are designed for space manipulators and the corresponding disturbance on a space station is analyzed. Since conventional modeling of a space station system focuses on manipulation tasks, this dissertation extends the model to formulate the dynamic coupling effect during wheels navigation. To verify the formulations, an experimental platform is designed and developed. Based on the system model, the proposed gaits are simulated and the results are compared with conventional gaits. From the simulation results, it can be concluded that the proposed gaits are better than conventional gaits in terms of minimum dynamic disturbance and energy demand on a space station. / In a free floating environment, the longer a gait is performed, the greater the disturbance is generated on a space station. Also, the energy source of a space station is limited and the minimization of the energy consumption of a robot is important. Therefore, this dissertation also proposes a path planning algorithm which aims to minimize the total traveling distance and energy demand when a space manipulator is commanded to reach a target position for certain missions. For the proposed algorithm, both closed and open paths are considered and the optimizations are based on the conventional genetic algorithm. To enhance the convergent rate and final solutions, several novel concepts are introduced. Different simulation are performed and the results are presented to evaluate the performance of the proposed path planning algorithm. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Chung, Wing Kwong. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2012. / Includes bibliographical references (leaves 164-172). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese. / Chapter 1 --- Introduction --- p.1 / Chapter 1.1 --- Background --- p.1 / Chapter 1.2 --- Related Work --- p.2 / Chapter 1.3 --- Motivation of the Dissertation --- p.9 / Chapter 1.4 --- Organization of the Dissertation --- p.10 / Chapter 2 --- Design Principles of Movable Gripper --- p.12 / Chapter 2.1 --- Preliminary Gripper Design --- p.12 / Chapter 2.2 --- Static Model: Gripping Force --- p.14 / Chapter 2.3 --- Dynamic Model: Tractive Force --- p.19 / Chapter 2.4 --- Anti-slip Strategy --- p.23 / Chapter 2.4.1 --- Vertical Truss Climbing --- p.24 / Chapter 2.4.2 --- Horizontal Truss Climbing --- p.27 / Chapter 2.4.3 --- Right-side-up Truss Climbing --- p.29 / Chapter 2.4.4 --- Arbitrary gripping orientation analysis --- p.31 / Chapter 3 --- Design of a Novel Frame Climbing Robot --- p.36 / Chapter 3.1 --- Introduction --- p.36 / Chapter 3.2 --- Mechanical Design --- p.40 / Chapter 3.2.1 --- Gripper Jaw --- p.42 / Chapter 3.2.2 --- Parallel Gripping Mechanism --- p.43 / Chapter 3.2.3 --- Rotation Axis of Wheels --- p.44 / Chapter 3.2.4 --- Body Linkage --- p.45 / Chapter 3.3 --- Design of Climbing Gaits --- p.48 / Chapter 3.3.1 --- Motion simulation --- p.48 / Chapter 3.4 --- Experiments and Results --- p.52 / Chapter 3.4.1 --- Grasp’s Contact --- p.52 / Chapter 3.4.2 --- Tilting Correction Capability --- p.53 / Chapter 3.4.3 --- Load Carrying Capability --- p.53 / Chapter 3.4.4 --- Performance of Frambot --- p.57 / Chapter 3.5 --- Summary --- p.60 / Chapter 4 --- Modeling Analysis: Robot and Space Station --- p.61 / Chapter 4.1 --- Introduction --- p.61 / Chapter 4.2 --- Modeling of a space station system --- p.62 / Chapter 4.3 --- Kinematics --- p.66 / Chapter 4.4 --- Linear and Angular Momentums --- p.68 / Chapter 4.5 --- Dynamics --- p.69 / Chapter 4.6 --- Modeling Analysis --- p.71 / Chapter 4.7 --- Summary --- p.84 / Chapter 5 --- Modeling Analysis: Disturbance in Space Station --- p.85 / Chapter 5.1 --- Introduction --- p.85 / Chapter 5.2 --- Categories of Locomotion --- p.86 / Chapter 5.2.1 --- Joint Configurations --- p.86 / Chapter 5.2.2 --- Linear Locomotion --- p.87 / Chapter 5.2.3 --- Turning --- p.88 / Chapter 5.2.4 --- Exterior Transition --- p.93 / Chapter 5.3 --- Analysis of Dynamic Disturbance --- p.96 / Chapter 5.3.1 --- Linear Locomotion --- p.97 / Chapter 5.3.2 --- Turning --- p.103 / Chapter 5.3.3 --- Exterior Transition --- p.107 / Chapter 5.4 --- Analysis of Energy Demand --- p.113 / Chapter 5.5 --- Summary --- p.117 / Chapter 6 --- Global Path Planning --- p.122 / Chapter 6.1 --- Shortest Distance Path Planning --- p.124 / Chapter 6.1.1 --- Problem Description --- p.127 / Chapter 6.1.2 --- The Framework of Genetic Algorithm --- p.128 / Chapter 6.1.3 --- Simulation Study and Discussion --- p.135 / Chapter 6.2 --- Minimum Energy Demand Path Planning --- p.144 / Chapter 6.2.1 --- Problem Description --- p.147 / Chapter 6.2.2 --- The Framework of Genetic Algorithm --- p.148 / Chapter 6.2.3 --- Simulation Study and Discussion --- p.154 / Chapter 6.3 --- Summary --- p.159 / Chapter 7 --- Conclusions --- p.160 / Chapter 7.1 --- Contributions --- p.160 / Chapter 7.1.1 --- Design a New Gripping Mechanism for Truss Climbing Robot --- p.160 / Chapter 7.1.2 --- Design and Develop a Novel Truss Climbing Robot --- p.161 / Chapter 7.1.3 --- Formulate and Analyze the Disturbance on a Space Station Under different Gaits --- p.161 / Chapter 7.1.4 --- Develop a Global Path Planning Algorithm for the Minimization of Total Traveling Distance and Energy Demand --- p.162 / Chapter 7.2 --- Recommendation for Future Research --- p.162 / Chapter 7.2.1 --- Design Optimization --- p.162 / Chapter 7.2.2 --- Autonomous Truss Climbing --- p.163 / Chapter 7.2.3 --- Multicriteria Path Planning Algotirhm --- p.163

Abstract To be outstanding in the gas-station industry in today¡¦s intensive and competitive environments, the company needs to be devoted in managing customer relationship. As consumers are aware of and fighting for their rights in recent years, the competition in gas station is getting sever. The purpose of this study is to survey with stratified random sampling to understand the consumer behaviors among Chinese Petroleum Corporation (CPC) franchised gas stations, CPC owned gas stations and Formosa gas stations. Increasing customer satisfaction can build up customer loyalty, and enhance future interaction. So knowing the consumer behavior among the different types of gas stations can help understand how consumers choose a gas stations and how they rate the service quality. The investigation outcome of this study was derived form Factor Analysis, T-test, Cluster, ANOVA, Scheffe¡¦s statistical methods, and had carried out structural analysis in the service quality model to find out the key factors of customer satisfaction. The findings should help to improve management efficiency and competitiveness in the industry. Keyword¡Ggas stations, customer satisfaction, customer loyalty

Texte remanié de: Th. doct.--Hist.--Paris 7, 2002. / Bibliogr. p. 323-328. Index.