• 제목/요약/키워드: Optimized algorithm

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Hardware Design of Standard Hash Algorithm HAS-160

  • Youn Choong-Mo;Lee Beom-Geun
    • Journal of information and communication convergence engineering
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    • 제3권4호
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    • pp.205-208
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    • 2005

  • This paper is about the hardware implementation of the Hash algorithm, HAS-160, which is widely used for Internet security and authentication. VHDL modeling was used for its realization and the operation speed has been increased by the optimized scheduling of the operations required for step operations.

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Optimum Shape Design of Magnetizing Yoke of 2 Pole PM Motor for Cogging Torque Reduction

  • Koh Chang-Seop;Ryu Jae-Seop;Hong Sun-Ki
    • KIEE International Transaction on Electrical Machinery and Energy Conversion Systems
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    • 제5B권2호
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    • pp.168-172
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    • 2005

  • A novel cogging torque reduction algorithm is presented for 2-pole permanent magnet DC motor. While the shape of the permanent magnet is changed in the conventional method, the pole shape of the magnetizing yoke is optimized in the presented algorithm. In order to parameterize the shape of the yoke, and the distribution of the residual magnetization of the permanent magnet, the Bezier spline is used. The shape of the magnetizing yoke is optimized using the design sensitivity analysis incorporated with the finite element method and Bezier spline.

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Application Specific Processor Design for H.264 Decoder with a Configurable Embedded Processor

  • Han, Jin-Ho;Lee, Mi-Young;Bae, Young-Hwan;Cho, Han-Jin
    • ETRI Journal
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    • 제27권5호
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    • pp.491-496
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    • 2005

  • An application specific processor for an H.264 decoder with a configurable embedded processor is designed in this research. The motion compensation, inverse integer transform, inverse quantization, and entropy decoding algorithm of H.264 decoder software are optimized. We improved the performance of the processor with instruction-level hardware optimization, which is tailored to configurable embedded processor architecture. The optimized instructions for video processing can be used in other video compression standards such as MPEG 1, 2, and 4. A significant performance improvement is achieved with high flexibility. Experimental results show that we could achieve 300% performance for the H.264 baseline profile level 2 decoder.

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탐색적 방법에 의한 건축공간 배치계획 최적화에 대한 고찰 (A Study on the Optimized Architectural Space Planning by Searching Algorithm Method)

  • 임명구;김수영
    • 한국디지털건축인테리어학회논문집
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    • 제1권1호
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    • pp.51-58
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    • 2001

  • The purpose of this study is to improve productivity of architectural space planning(A.S.P,) by computer system and to optimize ASP. A searching algorithm is the best way to slave optimized A.S.P. Because architectural design is too many various site situations and client's demands to specify the general solving methods. This method seek the best design case in all possibility and to be modeled as this; $\rightarrow$[$\rightarrow$$\rightarrow$