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This paper provides a comprehensive study on the lifetime test design of second-use electric vehicle plug-in hybrid electric vehicle ((PHEV)/hybrid electric vehicle(HEV)/battery electric vehicle(BEV)) batteries as the residential application. The work starts by modeling a realistic operation environment for the second-use batteries. As a residential application, the battery pack usage profile was...
Many high-end power machines demand greater bearing performance in terms of running speed, precision, reliability, longevity, noise reduction, etc. An ultrasonic bearing based on Near-Field Acoustic Levitation (NFAL) effect is a kind of emerging noncontact gas bearing. Due to its self-aligning capability, the ultrasonic bearing can steadily run at a high speed — tens of thousands of revolutions per...
This paper provides a comprehensive study on the life test method of the retired xEV(PHEV/HEV/EV) battery pack for smart house energy storage applications. First, the paper proposes a detailed model for a energy management system supported smart house. By utilizing historical household load data and Photo Voltaic (PV) panel power generation data, a 96-hour close-to-real mission profile of the battery...
Residential microgrid load modeling is a new challenge that has received increased attention in recent years. Traditional state-of-art load modeling methods are not able to reflect the details of the residential loads proficiently. In addition, microgrid load modeling serves as a foundation for emerging smart grid technologies, such as microgrid planning, smart building design and demand-side energy...
Non-point source pollution has became a major water pollution source in Northeast China. A small typical agricultural watershed was selected to test the validity of the annualized agricultural non-point source (AnnAGNPS) model in Northeast China. The best available data were assembled in the analysis. The model validity was tested by nitrogen and phosphorus concentration data. A good correlation was...
This paper studies the integration of VRML and Ja-va3D in the Web3D core technology, and adopts Java3D to implement the virtual scene displaying and the users and virtual scene interactive roaming function, promoting users to experience the 3D stereo model displaying way online without leaving home.
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