Teruaki Ishibashi

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A blind source deconvolution method without indetermi-nacy of permutation and scaling is proposed by using notable features of split spectrum and locational information on signal sources. A method for extracting human speech exclusively is also proposed by taking advantage of the rule, the property of FastICA separates sources in order of large(More)
— This paper proposes a spindle motor control method for self-excited chatter vibration suppression in numerical control (NC) machine tools. In conventional NC machine tools, spindle speed is set to constant value during machining, and the spindle speed is determined according to analysis or operator's experience. The proposed method reduces self-excited(More)
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