. Professor Mohammed served as the International Steering Committee Chair for the IEEE International Electric Machines and Drives Conference (IEMDC) and the IEEE Biannual Conference on Electromagnetic Field Computation (CEFC). Professor Mohammed was the General Chair of the 2009 IEEE IEMDC conference held in Miami Florida, May 3-6 2009 and was the Editorial Board Chairman for the IEEE CEFC2010 held in Chicago, IL USA, May 9-12, 2010. Pro- fessor Mohammed was also the general chair of the IEEE CEFC 2006 held in Miami, Florida, April 30 – May 3, 2006. He was also general chair of the 19th annual Conference of the Applied Computational Electromagnetic Society ACES-2006 held in Miami, Florida March 14-17, 2006. He was the
signal (a variable voltage) and four120 V digital signals. All of these need to be modified. The PLC analog output does not provideenough current to drive the train, so a power op-amp circuit is used. The track switches require18 V ac, so the 120 V outputs are used to control an 18 V supply via relays.The student response to using this system has been extremely positive. The system has beenused by electrical, industrial, and mechanical engineering students, as well as by electrical andmechanical technology students. As a senior design project, the base system was expanded intoan elaborate system with four optical sensors, two inductive proximity sensors, and a limit switchthat could allow two trains to operate simultaneously. The system was also
beamstructure with a mass at the unattached end of the lever, since it provides higher strain for a giveninput force [6]. The voltage produced varies with time and strain, effectively producing anirregular AC signal on the average. Piezoelectric energy conversion produces relatively highervoltage and power density levels than an electromagnetic system. Moreover, piezoelectricity hasthe ability to generate an electric potential of elements such as crystals and some types ofceramics from a mechanical stress [7]. If the piezoelectric material is not short circuited, theapplied mechanical stress induces a voltage across the material. The most common type ofdevice used to scavenge vibration energy is a cantilever piezoelectric device which
pre-recorded lectures. To enhance this concept,a hybrid approach to the traditional lecture was applied. In this approach, students are exposed toboth on-line and face-to-face lecture methods. In addition, this approach included a short onlinequiz through BlackboardTM before each course module and a short quiz at the start of classsession after each course module to improve student participation. In fact, a 2010 U.S.Department of Education report1 concluded that “Instruction combining online and face-to-faceelements had a larger advantage relative to purely face-to-face instruction than did purely onlineinstruction”. However this report targeted very broad population including K-12, careertechnology, medical and higher education, as well as
flywheel. Capacity of a typical capacitor is givenby: AC (6) dFig. 10 shows a more detailed model of a supercapacitor. In this model parallel electronic resistor indicatesself-discharging rate. Figure 10. Detailed equal circuit of a supercapacitorFollowing equations indicate parameters' values for a model with three branches: ESR (7) i t t C O ( 1 122 1 2 )I C Page 26.209.8 (8) i 1 2 1 2 1t 2 t1 2K 2( )I
2010 through September 2013 at the MAC Marlette facility. These data show that peak demand at harvest time is growing each year at Marlette, and off-harvest-time grain transfer, storage and handling energy usage is also growing each year.For this project the on-site data collection needed to be accomplished with a portable, robust andreliable electric power and energy data acquisition (DAC) system. Initially it was thought that asmall portable DAC system using a laptop and custom assembled current transducers and voltagesensors could be developed at Lawrence Tech. But after seeing the facilities and need for out-doordata collection, it readily became apparent that such an approach was not at all practical. It wasdecided that the Fluke
current electricity (DC) andusing an alternator converts it into alternative current (AC) that can be used to power equipmentinside a house. Photovoltaic cells have to combine cost effectiveness with relatively highthroughput energy yield production, in order to achieve this combination a couple of factors haveto be counted in: Material of construction, location that the PV cell will be placed and energyconversion efficiency. Even though there is a high initial cost to purchase and install Solar panels the financial Page 26.1484.2return of investment is worth it besides it provides added home value. Figure 1. Solar PanelsWind
, France 1992 (summer): Adjunct Professor at the Department of Electrical Engineering, Addis Ababa University, under the TOKTEN program of the UNDP 2009-2010: Fulbright Research Fellow, Bahir Dar University, Ethiopia Page 26.454.1 c American Society for Engineering Education, 2015 Design and Implementation of a Solar-Powered Smart Irrigation SystemAbstractAccording to the Department of Agriculture Economic Research Service, Agriculture is a majoruser of ground and surface water in the United States, accounting for approximately 80 percentof the Nation's consumptive water use and over 90
– performance 8 Induction motor speed control and power electronics devices 9 Three-phase AC motor drives 10 Polyphase synchronous machines I – equivalent circuits and tests 11 Polyphase synchronous machines II – performance 12 DC machines Specialty motors / software tools 13 Principles of electric power measurements DC machines 14 DC motor drivesThere were 6 computer lab assignments and 1 hardware lab assignments in fall 2013, and thehardware lab session was actually conducted before our new lab’s formal opening in January2014. In student course evaluations, the response was very positive to all of the new courseelements. Therefore, only a few changes were made to the topic
Guatemala to bring solar power to the children of Hogar Rafael Ayau. Professionally, Philip has worked as an intern at Pika Energy, a company which designs and manufactures residential wind turbines and solar hybrid systems, which operate on a high voltage DC micro grid. Philip continues to work at Pika Energy and is aspiring to enter a graduate program in power electronics.Mr. Kevin Michael Wacker, University of Southern Maine Got accepted to the University of Southern Maine Electrical Engineering program in the fall of 2010. In the summer of 2013 received a technical internship at Clough Harbor and Associates and continued the internship throughout the year and into the following summer of 2014. Grew up in the town of York