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RISS 인기검색어
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- 저자 : H. Hanai (검색결과 2 건)
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Realization of Musical Saw Bowing by Industrial Humanoid Robot
H. Hanai,A. Mishima,A. Miura,T. Hirogaki,E. Aoyama 제어로봇시스템학회 2021 제어로봇시스템학회 국제학술대회 논문집 Vol.2021 No.10
In a previous study, we examined the performance of musical saw bows using a western saw, which is not only an unfamiliar tool but also difficult to handle owing to its excellent shape and flexibility among various musical instruments. In the previous study, we achieved performance control by blowing; however, we could not control the sound other than blowing. In this study, we focused on bowing, which is used in the evaluation of musical saw performance, in addition to striking. Moreover, self-excited vibrations must be generated by stick-slip based on the performance. Consequently, the pressure and velocity must be controlled to verify the generation of the self-excited vibration and the vibration itself. In addition to the generation of sound by a self-excited vibration, this study discusses the pure sound nature of the vibration. This approach differs from those implemented in previous studies to suppress the self-excited vibration. Furthermore, we present a method to realize the musical saw movement using an industrial humanoid robot.
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Al-Mamun, M.,Tanaka, C.,Hanai, Y.,Tamura, Y.,Sano, H. Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.6
An experiment was conducted using a [6, 6-$^2H$]glucose isotope dilution method to determine the effects of plantain (Plantago lanceolata L.) on plasma glucose metabolism in sheep taken from a thermoneutral environment and exposed to a hot environment. The sheep were fed either mixed hay (MH) of orchardgrass (Dactylis glomerata L.) and reed canarygrass (Phalaris arundinacea L.) at a 60:40 ratio or MH and plantain (PL) at a 9:1 ratio in a crossover design for each 23-day period. In both dietary treatments the metabolizable energy (ME) and crude protein intake were designed to be isoenergetic and isoproteinous at around maintenance level. The sheep were taken from a thermoneutral environment ($20^{\circ}C$, 70% RH) and exposed to a hot environment ($28-30^{\circ}C$, 70% RH) for 5 days. The isotope dilution method using a single injection of [6, 6-$^2H$]glucose was performed on the $18^{th}$ day of the thermoneutral environment and on the $5^{th}$ day of heat exposure. Plasma glucose pool size was numerically lower (p = 0.26) during heat exposure on both dietary treatments, and numerically higher (p = 0.13) on the MH diet irrespective of environmental temperature. Plasma NEFA concentration (p = 0.01) and glucose turnover rate (p = 0.03) were decreased during heat exposure, but remained similar between diets. It could be concluded that, although no positive impact of plantain on glucose metabolism was found under the present experimental conditions (plantain constituted only 10% of basal diet), plantain herb is an alternative to MH for rearing sheep in both thermoneutral and hot environments.
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