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Recent Advances in Space Technologies (RAST), 2013 6th International Conference on

Date 12-14 June 2013

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Displaying Results 1 - 25 of 186
  • [Front cover]

    Publication Year: 2013 , Page(s): c1
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  • [Front matter]

    Publication Year: 2013 , Page(s): i - ii
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  • The era of new space

    Publication Year: 2013 , Page(s): vii - x
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  • Conference committees

    Publication Year: 2013 , Page(s): xi - xiv
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  • Table of contents

    Publication Year: 2013 , Page(s): xv - xxxiii
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  • Role of Asia Pacific Space Cooperation Organization in advancing space technology and its applications in the Asia Pacific region

    Publication Year: 2013 , Page(s): 1 - 3
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    The Asia-Pacific Space Cooperation Organization (APSCO) Council has already held six meetings during last four years. While approving a number of new projects, it reviewed the progress made so far on the earlier approved projects. APSCO has already made a significant progress on all of these prioritized projects. This paper will highlight the progress made so far in advancing space science and technology and its applications for improving the socio-economic situation of the people of the Asia Pacific region. View full abstract»

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  • Application of Compatible Navigation Terminal System in Asia-Pacific Area

    Publication Year: 2013 , Page(s): 1031 - 1035
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    The Application of Compatible Navigation Terminal System project is one of the activities approved by Asia-Pacific Space Cooperation Organization (APSCO) Council. There were two sub-projects were approved for implementation. The first prioritized project aims to develop the terminal for disaster rescue and emergency management based on GNSS compatible system, and builds the demonstration applications to verify its functionality. The second prioritized project aims to develop the GPS and Beidou compatible software receiver. A software approach to GNSS signals would realize all navigation functions in software, it would allow re-programmability within the receiver, which means greater flexibility, adaptability as well as capacity to perform upgrades, optimizations and experiments. View full abstract»

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  • Satellite CONDOR UNAM-MAI: Technical scientific cooperation

    Publication Year: 2013 , Page(s): 1037 - 1040
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    Russia has strong experience, leadership and in the field of aerospace, as well as a history of successful cooperation with Mexican universities. The National Autonomous University of Mexico (UNAM) established a solid relationship during the development of the UNAMSAT project 1996. In 2007 that triggered the decision to start a technical scientific cooperation program signed with the Russian Federation, the satellite project "CONDOR UNAM-MAI", with scientific and educational purposes, in which Russian participation is coordinated by the Moscow Aviation Institute (MAI). The UNAM project coordination is performed by the Faculty of Engineering with the aim of developing the foundations for establishing a long term academic program in spatial engineering. On the other hand, the MAI is intended to assist UNAM and other Mexican institutions by developing its space engineering program through postgraduate studies in the Russian Federation, plus the addition of a satellite project with benefits for both nations. The experiment for detecting ionospheric earthquake precursors as the primary mission was selected, and the project started. Currently the project has expanded and includes more institutions from both countries and the Central University of Taiwan to contribute with scientific instrumentation for the formation of the satellite payload. View full abstract»

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  • Surveillance of space: An overview and a vision for Turkey's roadmap

    Publication Year: 2013 , Page(s): 1041 - 1046
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    As the number of satellite launches increases, space debris has become a significant issue for satellite manufacturers, owners and operators. Timely and accurate information regarding possible collisions or near misses is critical not only to avoid spacecraft damage, but also to avoid unnecessary maneuvers or spacecraft downtimes. However, the information about the details and extent of collision risks is obtained from external sources and these data may contain various levels of accuracy, detail, secrecy and continuity depending on the preferences of the supplier countries. In this manner, it is important to initiate a capability to acquire space surveillance data independently for protecting the national space assets which are critical for the economy, security and scientific research. In this study, we review the space surveillance systems and related activities around the world including Turkey. Then we outline the importance of establishing a national space surveillance system and, finally, we propose a basic architecture of such a system and a roadmap to develop it. View full abstract»

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  • RetroSpace - active space debris removal (ADR): “Business engineering driving system and operations”

    Publication Year: 2013 , Page(s): 1047 - 1052
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    As in recent years space debris evolved as one of the key issues in the context of future space activities and satellite operations in LEO in particular, numerous measures are being developed around the world to remove, reduce and avoid space junk at various levels. One subset is active (space) debris removal (ADR), which comprises robotics-based and other physical means as well as contactless solutions, all of which are still to be demonstrated and realized in space. ADR involving robotics relate to principles promoted for on-orbit servicing (OOS) creating technological and programmatic synergies between the two areas. Technological challenges exist and will take time to be mastered, while legal and regulatory and business aspects, especially financing schemes currently represent much higher hurdles and raise numerous questions. Much work has been invested in recent years to develop system functionalities for ADR and associated efforts are expected to increase in the nearand mid-term globally. However, current focus is short in terms of addressing non-technical issues that eventually will drive feasibility and realization. This paper elaborates on options for alternative ADR system solutions and architectures. Special focus is given to trade-offs geared around business (framework, structure, implementation, operations, financing, etc.) and the identification of business engineering drivers to determine systems and operational concepts, which are technically feasible and economically viable. The work presented relates to the reference case “RetroSpace” developed during the 12th SpaceTech [8] post-graduate master program on space systems and business engineering by TU Delft - first presented in 2010 - as well as to generic strategic and economic trade-offs for future OOS and ADR concepts by JKIC. RetroSpace - an end-to-end system solution and business case - has been referenced by several recent studies focused on active space debris removal services- (ADRS) and proposes an integrated financing scenario involving multiple stakeholders [7]. View full abstract»

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  • Developing a space program for Mexico

    Publication Year: 2013 , Page(s): 1053 - 1057
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    Mexican Space Agency (AEM) formation is triggering a series of actions to coordinate research groups, companies and governmental agencies together, in order to develop in a more orderly fashion technology, services and space applications. The aim is to produce conditions for establishing an industrial environment that will allow Mexico to integrate into the International Community of countries with quality space research and development. A strategy for the initial phase is presented, based on a series of projects for developing micro and nano satellites projects for LEO using COTS technology. An network focused on Space R&D supported by CONACYT (National R&D Council of Mexico), integrated by Universities, companies and R&D centers is working together with the AEM for this purpose. In order to define some projects that would help leading the countries development in this initial stage is hazardous however the networking model coupled with the general strategy set by AEM will allow the development an integration of a healthy environment for space R&D and industrial development in the Mexican space area. View full abstract»

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  • Nano-satellite development project and space engineering education at Kyushu Institute of Technology

    Publication Year: 2013 , Page(s): 1059 - 1063
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    Students of Kyushu Institute of Technology successfully developed a 7kg nanosatellite, HORYU-II. The satellite was tested extensively at Center for Nanosatellite Testing. There are many lessons learned through its designing, development, testing and operation to be shared among the university satellite community. Since 2013, the university will launch a new post-graduate program, Space Engineering International Course, where Japanese and foreign students learn the basic space technology through hands-on experience gained by participating in a satellite project utilizing space engineering research infrastructure within the campus. The program is also carried out as United Nations/Japan long term fellowship programme to assist capacity building of basic space technology in countries that have little experience in satellite development. Selected students will be awarded Japanese government scholarship. This paper describes the space engineering education at Kyushu Institute of Technology. View full abstract»

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  • Aerospace engineering department at Cairo University: Past, present, and future

    Publication Year: 2013 , Page(s): 1065 - 1070
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    The beginning of modern engineering education in Egypt dates back to 1816 when the famous ruler “Wali”; Mohammed Ali Pasha established “Madrasat El-Mohandeskhana” (which means the School of Engineering). This start was 92 years before the establishment of Cairo University which became a reality on December 21st, 1908. In 1935, it was renamed as the “Faculty of Engineering”. The Faculty of Engineering has kept this name ever since. Aerospace engineering department was established in 1953 under the name of “Aeronautics Engineering” and it played an important role for promoting the economic and strategic growth in Egypt since its inception. This paper aims to reflect past, present and future research and development in Aerospace Engineering department at Cairo University. It will shed some light on the department capabilities and accomplishments and future hopes and vision. View full abstract»

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  • Significance of IDEA project in educational and scientific aspects

    Publication Year: 2013 , Page(s): 1071 - 1074
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    The project for IDEA, In-situ Debris Environmental Awareness, is a micro satellite, a cubic 50cm on a side, project initiated and preceded by students of the Space Systems Dynamics Laboratory (SSDL), Kyushu University. IDEA project has great significance in terms of science and education. IDEA project pursues big scientific achievements. It aims to clearly understand the current and future environment of micro debris in the low Earth orbit (LEO) region using micro satellites. On the other hand, students in IDEA project got many educational experiences through variety of project activities initiated by their own such as knowledge and knowhow required for satellite development, documentation skills, and communication skills. View full abstract»

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  • UNISEC challenge: How can UNISEC contribute to capacity building in space science and technology?

    Publication Year: 2013 , Page(s): 1075 - 1079
    Cited by:  Papers (1)
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    The University Space Engineering Consortium (UNISEC) has been dedicated to facilitating and supporting practical space engineering activities at the university level in Japan since 2002. After 10 years of domestic activities, UNISEC has started to spread its university-level capacity-building activities to the rest of the world. This paper briefly describes UNISEC activities that would contribute to capacity building. UNISEC's international programmes which would be related to capacity building in the field of space science and technology are presented, followed by an examination on how they can improve the effectiveness of capacity building. Finally, future perspectives and its challenges on capacity building are discussed. View full abstract»

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  • A practical education of space engineering by using CanSat and pico-satellite - Fruitful collaboration with UNISEC for success of student satellite program -

    Publication Year: 2013 , Page(s): 1081 - 1086
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    This paper reports the history of the student pico-satellite program in Nihon University, especially about how a small laboratory which had no knowledge on satellite technology has succeeded the launch and operation of the student pico-satellite. The author hopes that his method would be a helpful example for supervisors who will start the student satellite program. View full abstract»

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  • Project-based space engineering education: Application to autonomous rover-back CanSat

    Publication Year: 2013 , Page(s): 1087 - 1092
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    This paper presents a project-based space engineering education project that is currently conducted at space systems technology laboratory (SSTLab) at aerospace engineering department, Cairo University. An autonomous rover-back is advanced educational project and currently under continuous development by the students finished their CanSat Training Program (CTP) at SSTLab. The mission of the autonomous rover-back CanSat is to return back to a prescribed target point on the ground after launching into a suborbital altitude of approximately 4000 meters. The total weight of the system should be less than 1 kg and a diameter of approximately 140 mm with length of approximately 250 mm. The rover-back CanSat will have a fully autonomous control of its attitude and trajectory in both the flight and ground segments. The paper presents the essential development areas in this project and the lessons learned. View full abstract»

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  • Locating the urban area in satellite images to detect changes in them

    Publication Year: 2013 , Page(s): 109 - 114
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (997 KB) |  | HTML iconHTML  

    Satellite images proved to be useful for determining the degree of urbanization. Using them, the growth rate of the urban area can be periodically measured by analyzing the images of the same area. High resolution satellite images provide sufficient detail for this operation. However, their manual handling is very difficult and time consuming. Therefore, an automatic system is necessary. To solve these problems, we propose two novel methods in this study. Our first method is based on urban area detection. Therefore, we first propose an urban area detection method using satellite images. Our urban area detection method is based on the assumption that image contrast will be higher in urban regions compared to other regions. Based on this assumption, our method uses the gradient information of the image as an indicator of the urban area. Then, we use the urban regions detected in bitemporal images to detect changes. Our second method is based on the Histogram of Oriented Gradients (HOG). In this approach, we calculate the histogram of bitemporal images. Then, we define the change detection problem in terms of histogram distance measures. We tested our methods on a diverse data set and provide the results. View full abstract»

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  • Turkish University Consortium for Space Technologies and Education (UTEB) prospects for Turkey

    Publication Year: 2013 , Page(s): 1099 - 1102
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    Space education can benefit greatly from space research projects. Available limited and expensive space infrastructure can be shared between space institutions for better education and practical project undertaking. UNISEC of Japan is a good example of such an establishment. A similar network is expected to be established between Turkish Space Universities. Towards it, a first meeting was held on November 2011. This initiative along with increased Turkish space sector activity has enabled positive developments in the space universities. View full abstract»

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  • In-flight calibration of an integrated attitude determination system for a small information satellite

    Publication Year: 2013 , Page(s): 1103 - 1108
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    Contemporary information mini-satellites have general mass up to 500 kg and are placed onto the orbit altitudes from 500 up to 1500 km. For such spacecraft some principle problems on precise attitude determination and in-flight calibration are considered and elaborated methods are presented for their solving. Original multiple discrete algorithms for filtering, integration and calibration of a strapped-down inertial navigation system for precise determining the spacecraft attitude, are presented. This system contains electrostatic micro-accelerometer, an inertial measurement unit based on the gyro sensors, an astronomical system based on star trackers, multi-head Sun sensor and magnetic sensor, the that are fixed to the spacecraft body. View full abstract»

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  • Economical attitude and orbit control of information satellites by electromechanical, magnetic and plasma drivers

    Publication Year: 2013 , Page(s): 1109 - 1114
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    Methods for attitude & orbit control of the information satellites with economical expending of the onboard energy and fuel resources are presented. We consider small information spacecraft with an orbit altitude from 550 up to 1500 km when its lifetime must be up to 10 years and economical control is actual problem. View full abstract»

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  • EKF based spacecraft localization with single station antenna tracking data

    Publication Year: 2013 , Page(s): 1115 - 1120
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    In this study, an extended Kalman filter (EKF) for estimation of spacecraft's position and velocity by single station antenna tracking data in the presence of singularities is proposed. The designed EKF estimates the position and velocity of the spacecraft on direct nonlinear range-azimuth-elevation measurements. The proposed EKF is examined through the geostationary satellite orbital motion simulations. The corruption in the results by EKF emerges from singularities caused by the highly complex elements of the Jacobian measurement matrix. The recommendations to prevent the mentioned problem are given. View full abstract»

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  • Adaptive sliding-mode guidance for terminal phase of approaching observation

    Publication Year: 2013 , Page(s): 1121 - 1125
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (876 KB) |  | HTML iconHTML  

    An adaptive sliding-mode guidance is presented for the problem of terminal phase of approaching observation. Nominal trajectory designed previously was taken to get the relative state between the observation spacecraft and the target, which was regarded as the nominal data. Then state equations of relative motion were discretized and the Kalman Filter method was introduced to process the observation data. Sliding-mode Guidance laws in three channels were designed respectively in finite thrust to track the nominal data and adaptive method was adopted to eliminate system chattering. Finally, Simulations were given and their results showed the proposed guidance law can meet the requirements of approaching observation mission with a high precision. The study herein also can be used in the Missions such as Deep-space exploration and rendezvous and docking. View full abstract»

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  • Simulation of regional GNSS systems

    Publication Year: 2013 , Page(s): 1133 - 1138
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (2097 KB) |  | HTML iconHTML  

    Global Navigation Satellite Systems (GNSS) are today part of our daily life. Besides the US Global Positioning System (GPS) further systems are in use or are being deployed such as GLONASS, GALILEO, COMPASS, IRNSS. Many effects, such as the ionosphere degrade the GNSS performance. Space Based Augmentation Systems (SBAS) augment GNSS system performance locally by broadcasting additional correction and integrity information based on measurements made by reference ground stations. Besides the two SBAS systems, the US WAAS and European EGNOS, more regional GNSS have been developed and are being developed, for example by Russia, Japan, China, and India. After a brief overview of satellite navigation systems and recent developments this paper gives an introduction to simulation of GNSS systems, discussing the challenges and types of typical simulators used, and their applications. Finally some conceptual system analysis simulation results are discussed, demonstrating the use of a GNSS simulator. View full abstract»

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  • Threats awaiting Earth observation satellites

    Publication Year: 2013 , Page(s): 1139 - 1143
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    The space environment imposes risks on the space assets and the services provided by or depending on satellites, such as communication, navigation, and intelligence. Space assets are vulnerable and protection means are very limited. Therefore SSA is the basis for the safe usage of space and protection of valuable space assets. With the advances in space technology, wider availability and use of space and satellite technologies, increased reliance on satellite systems in civil and military applications, and increased number of actors the need for the protection of space assets and for this purpose Space Situational Awareness (SSA) has continuously gained importance. This paper gives examples of threats awaiting Earth observation satellites and mitigation of risks through collision avoidance. The first requirement for collision avoidance is awareness of the threats, i.e., space debris and other satellites - generally Space Situation Awareness (SSA). After giving an overview of typical components of an SSA system and examples it discusses current SSA developments and opportunities in building space situation awareness. View full abstract»

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