187,900 research outputs found

    Electrical Characterization and Testing of Microelectronic Materials, Devices, and Circuits

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    This project, strengthening the microelectronics program in the Electrical and Computer Engineering Department (ECE), proposes to establish an electrical characterization and test laboratory which will provide the capability for measuring electrical properties of materials, devices, and circuits. Electrical test equipment for the measurement and characterization of dielectric materials, devices, and circuit components, will be acquired in order to provide students with hands-on experience in electrical measurements complementing the other labs in the ECE Department. In addition to providing training in microelectronics testing, the facility will allow for expanded research in the area of solid-state electronics. Focusing on material characterization, including thin films and novel gas-sensor, the project pursues the following objectives for the proposed lab: Characterizing electronic thins films, Enabling systematic characterization of novel devices including gas-sensors, and Providing a state-of-the-art capability for testing custom-designed integrated circuits. The amount of time needed to adequately test integrated circuits has been increasing with the greater level of integration in modern microelectronics. Continued increases in the density of the microelectronic circuits push against fundamental limits of device operation, driving the need for novel devices and new electronic materials. Hence, the microelectronic community should exhibit interest in a systematic approach to testing and characterization of new materials, devices, and circuits. Synergistic with existing programs at the University of Maine (e.g., sensor development, new materials development, and materials and device modeling), the project will contribute to strengthen the relationship between the ECE Department and the semiconductor industry in Maine, provide students with skills needed by these companies, and help forge relationships with research groups involved in electronic materials development

    Digital signal processing: the impact of convergence on education, society and design flow

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    Design and development of real-time, memory and processor hungry digital signal processing systems has for decades been accomplished on general-purpose microprocessors. Increasing needs for high-performance DSP systems made these microprocessors unattractive for such implementations. Various attempts to improve the performance of these systems resulted in the use of dedicated digital signal processing devices like DSP processors and the former heavyweight champion of electronics design – Application Specific Integrated Circuits. The advent of RAM-based Field Programmable Gate Arrays has changed the DSP design flow. Software algorithmic designers can now take their DSP algorithms right from inception to hardware implementation, thanks to the increasing availability of software/hardware design flow or hardware/software co-design. This has led to a demand in the industry for graduates with good skills in both Electrical Engineering and Computer Science. This paper evaluates the impact of technology on DSP-based designs, hardware design languages, and how graduate/undergraduate courses have changed to suit this transition

    NASA Center for Intelligent Robotic Systems for Space Exploration

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    NASA's program for the civilian exploration of space is a challenge to scientists and engineers to help maintain and further develop the United States' position of leadership in a focused sphere of space activity. Such an ambitious plan requires the contribution and further development of many scientific and technological fields. One research area essential for the success of these space exploration programs is Intelligent Robotic Systems. These systems represent a class of autonomous and semi-autonomous machines that can perform human-like functions with or without human interaction. They are fundamental for activities too hazardous for humans or too distant or complex for remote telemanipulation. To meet this challenge, Rensselaer Polytechnic Institute (RPI) has established an Engineering Research Center for Intelligent Robotic Systems for Space Exploration (CIRSSE). The Center was created with a five year $5.5 million grant from NASA submitted by a team of the Robotics and Automation Laboratories. The Robotics and Automation Laboratories of RPI are the result of the merger of the Robotics and Automation Laboratory of the Department of Electrical, Computer, and Systems Engineering (ECSE) and the Research Laboratory for Kinematics and Robotic Mechanisms of the Department of Mechanical Engineering, Aeronautical Engineering, and Mechanics (ME,AE,&M), in 1987. This report is an examination of the activities that are centered at CIRSSE

    CESEC Chair – Training Embedded System Architects for the Critical Systems Domain

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    Increasing complexity and interactions across scientific and tech- nological domains in the engineering of critical systems calls for new pedagogical approach. In this paper, we introduce the CESEC teaching chair. This chair aims at supporting new integrative ap- proach for the initial training of engineer and master curriculum to three engineering school in Toulouse: ISAE, INSA Toulouse and INP ENSEEIHT. It is supported by the EADS Corporate Foundation. In this paper, we highlight the rationale for this chair: need for sys- tem architect with strong foundations on technical domains appli- cable to the aerospace industry. We then introduce the ideal profile for this architect and the various pedagogical approaches imple- mented to reach this objective

    Electricity from photovoltaic solar cells: Flat-Plate Solar Array Project final report. Volume VI: Engineering sciences and reliability

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    The Flat-Plate Solar Array (FSA) Project, funded by the U.S. Government and managed by the Jet Propulsion Laboratory, was formed in 1975 to develop the module/array technology needed to attain widespread terrestrial use of photovoltaics by 1985. To accomplish this, the FSA Project established and managed an Industry, University, and Federal Government Team to perform the needed research and development. This volume of the series of final reports documenting the FSA Project deals with the Project's activities directed at developing the engineering technology base required to achieve modules that meet the functional, safety and reliability requirements of large-scale terrestrial photovoltaic systems applications. These activities included: (1) development of functional, safety, and reliability requirements for such applications; (2) development of the engineering analytical approaches, test techniques, and design solutions required to meet the requirements; (3) synthesis and procurement of candidate designs for test and evaluation; and (4) performance of extensive testing, evaluation, and failure analysis to define design shortfalls and, thus, areas requiring additional research and development. During the life of the FSA Project, these activities were known by and included a variety of evolving organizational titles: Design and Test, Large-Scale Procurements, Engineering, Engineering Sciences, Operations, Module Performance and Failure Analysis, and at the end of the Project, Reliability and Engineering Sciences. This volume provides both a summary of the approach and technical outcome of these activities and provides a complete Bibliography (Appendix A) of the published documentation covering the detailed accomplishments and technologies developed

    Space construction system analysis. Part 2: Cost and programmatics

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    Cost and programmatic elements of the space construction systems analysis study are discussed. The programmatic aspects of the ETVP program define a comprehensive plan for the development of a space platform, the construction system, and the space shuttle operations/logistics requirements. The cost analysis identified significant items of cost on ETVP development, ground, and flight segments, and detailed the items of space construction equipment and operations
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