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We propose a novel design of artificial robot ear for sound direction estimation using measured two outputs only. The spectral features in head-related transfer functions and in interaural transfer functions (ITFs) are distinctive in the voice frequency band. Thus, these features provide effective sound cues to estimate the sound direction using two measured ear outputs only without input information...
In this paper, the feasibility of multiple targets localization with a ultrasonic transmitter and only two ultrasonic sensors are tested and its results are given. For this purpose, an experimental hardware system and algorithm which models after bat's vocalization and auditory pathway are built. To mimic bat's behavior features, bat's chirp composed of single band/full band signal component and frequency...
This paper presents a preliminary test's results for bilateral teleoperation using the energy bounding algorithm that is already proposed for stable haptic interaction control. The preliminary experimental results show that the energy bounding algorithm may generate stable bilateral teleoperation regardless of the amount of constant/variable time delay. The test results are qualitatively compared...
The lag effects of utterance to communicative motions in human-robot and in human-CG character greeting interaction have been clarified. In this paper, information presentation timing by an agent based on the time lag effects of utterance to communicative action is analyzed by synthesis for applying to a human-agent interaction support. First, the analysis of a human information presentation action...
Recently, two-port time-domain passivity approach was modified for time-varying communication delay. The newly proposed approach could achieve stable teleoperation even under the serious time-varying delay and packet loss communication condition. However, after some operation hour, the accumulated energy difference between the input energy from one port and the output energy at the other port caused...
A new result of global synchronization for more general delay complex dynamical networks with time-varying delay is obtained in this paper. In this paper, based on an appropriate Lyapunov function, the sufficient condition for the global synchronization is given here by using the linear matrix inequality and introducing a reference state, and this condition is simply given based on the maximum nonzero...
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