Toshihiro Komiyama

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In this paper, a new control method for the utility interactive inverter based on the deadbeat control with FPGA based hardware controller is proposed. Deadbeat control is one method to ensure the output voltage or current matches to the references at the sampling instant, so adopting this control method to the utility interactive inverter, the response of(More)
S oftware Process Assessment (SPA) is an effective method used to understand software organizations' process quality and to identify issues to be resolved to achieve higher maturity. During the past 10 years, various SPA methods have been developed , proposed, and adopted. The first one was proposed Recently, a series of international standards for SPA have(More)
In order to realize an environment where safe and secure system/software products can be used in daily life and social economic activities, it is required to visualize the quality of the product, evaluate whether it meets the user's needs objectively and achieve quality target. So, the Ministry of Economy, Trade and Industry, Japan (METI), Advanced Research(More)
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