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30 results on '"Wang Haiyun"'

11. EV battery SOH diagnosis method based on discrete Fréchet distance

Author

Wang Haiyun and Jiao Dongsheng

Subjects
Battery (electricity), Engineering, business.product_category, business.industry, State of health, Fréchet distance, Reliability engineering, CAN bus, Power (physics), Identification (information), Electric vehicle, business, Simulation, Test data
Abstract

The power battery of electric vehicle may be limited by battery safety issues and power problems. The key points of this paper are firstly it combines discrete Frechet distance method with discharge curve identification method, and then it proposes a kind of new state of health diagnose method base on line testing platform. Through the CAN communication module, the system could control the power battery to finish on line full charge and discharge test. And also the system could get the actual operational status data to build life cycle databases of electric vehicle, which can predict the state of health diagnose. The results of the SOH could guide power battery safety assessment and balance maintain. Through analyzing simulation results between the SOH diagnose results with returned test data results, qualitative indicates the decline of EV battery.

Published
2015

17. Research on Multi-GPUs Image Processing Acceleration Based CUDA

Author

Xiao Qinkun, Gao Biao, Wang Haiyun, and Gao Song

Subjects
Real-time computer graphics, CUDA, CUDA Pinned memory, Computer science, Computer graphics (images), Digital image processing, Canny edge detector, Image processing, Software_PROGRAMMINGTECHNIQUES, General-purpose computing on graphics processing units, Edge detection, ComputingMethodologies_COMPUTERGRAPHICS
Abstract

Multiple-Graphics Processing Units (Multi-GPUs) means using two or more display adapters in the same PC to speed up the graphics animation for gamers. In this paper, we provide a way of using multi-GPUs in image processing acceleration based on NVIDIA CUDA technique that makes the processing progress more flexible and controllable. For demonstration we deal with canny edge detection using GTX295, which with the power of two GeForce GTX 200 GPUs on a single card, we show how to use multi-GPUs when accelerating image processing. Also, we did some optimization work. We found out that in image processing which contains mass data and complex algorithm, by using multi-GPUs the processing time almost can be reduced to half; however in the case have less data and simple algorithm, the advantage of multi-GPUs is not obvious even takes more time.

Published
2012

18. Researches of CAST wastewater treatment technology debug experiment

Author

Wang zhen hua and Wang HaiYun

Subjects
Biological phase, Sedimentation (water treatment), Environmental engineering, Environmental science, Process control, Sewage sludge treatment, Biota, Sewage treatment, Water pollution, Effluent
Abstract

The conduct of the town sewage treatment plant process commissioning CAST experimental study and the actual control results show that bio-stable phase, a significant treatment effect, the effluent compliance indicators control of temperature, dissolved oxygen, sedimentation ratio, sludge index, biological phase changes, run the cycle of 4.5 h, compared with 35% of the settlement, sludge age 15d, biota DO 31mg / L, to achieve biological bacteria the best kind of training and acclimation conditions, the sludge concentration is up to 2000mg / L.

Published
2011

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