Robotic Unicycle Intelligent Robust Control Pt I: Soft Computational Intelligence Toolkit

The concept of an intelligent control system for a complex nonlinear biomechanical system of an extension cableless robotic unicycle discussed. A thermodynamic approach to study optimal control processes in complex nonlinear dynamic systems applied. The results of stochastic simulation of a fuzzy intelligent control system for various types of external / internal excitations for a dynamic, globally unstable control object - extension cableless robotic unicycle based on Soft Computing (Computational Intelligence Toolkit - SCOptKBTM) technology presented. A new approach to design an intelligent control system based on the principle of the minimum entropy production (minimum of useful resource losses) determination in the movement of the control object and the control system is developed. This determination as a fitness function in the genetic algorithm is used to achieve robust control of a robotic unicycle. An algorithm for entropy production computing and representation of their relationship with the Lyapunov function (a measure of stochastic robust stability) described

家蠶の桑葉消化率及び製絲用水の水素イオン濃度に就て

蠶兒は同一種の桑を食せしめ, 食桑期間が略同一であつても, 蠶品種によつて其生體量や繭量に於て著しき相違があるものであるが, 同一食桑量に對して成可く繭質の良好のものを多量に生産する樣な所謂經濟的に有效なる品種を選定することも, 品種改良の目標の一つであり得る。併し蠶兒の桑葉消化量や消化率は温濕度, 桑の種類, 季節, 給桑量, 給桑囘數, 其他種々の事情に依つても差異を生ずるものであるから, 品種に依る消化能の比較を試驗するには凡ゆる飼育條件を等しくせねばならぬ

製絲用水の水素イオン濃度

製絲用水の製絲に於ける關係は, 用水としての綜合作用であるから, 製絲用水を論ずるに當つては勿論其水素イオン濃度のみを切り離して考ふべきではない。從來一般製絲業者は此第一に必要なる水の問題につき比較的注意を拂はなかつた嫌ひがある樣であるが, 今後は一層に用水としての總ての性質や, その中の諸成分につき十分の檢討をされたる後, 更に之等と原料繭の種類, 乾繭や貯繭の方法, 煮繭や繰絲操作等, 凡ゆる製絲諸作業との關係につき調査研究せられて, 製絲業の合理化を圖り, 以て其改善發達に資せられ度い。著者は兩引續き製絲用水に關して研究中であるが, 後日亦報告するの機會があらうと思ふ

Issues and Possibility of Agricultural Cooperative in Marketing of Vegetables Through Analysis of Farmer’s Market in Tokushima Prefecture : A Case Study in “JA-Yumeichiba” of Awagun-Tobu Agricultural Cooperative

Number of farmer’s market operated by agricultural cooperative has been increasing under decline of agricultural sector in Japan. For Farmer, to achieve better selling is getting more difficult in wide-area distribution system especially for whole-sale market, they regard farmers market as important. In this paper, we examine issues and possibility of farmer’s market operated by agricultural cooperative in marketing of vegetables in Tokushima Prefecture. We find that, first, JA-Yumeichiba has increased the number of visitors and sales from its establishment in 2011 to 2015, and enabled farmer to keep on farming. Second, in this agricultural cooperative, sales for wholes sale market have been declining gradually coupled with their scale after 2015. Results indicate that to bring the success of farmers market into selling for wholesale-market is important especially for agricultural cooperative’s vegetables selling

Angular dependence of the bulk nucleation field Hc2 of aligned MgB2 crystallites

Studies on the new MgB2 superconductor, with a critical temperature Tc ~ 39 K, have evidenced its potential for applications although intense magnetic relaxation effects limit the critical current density, Jc, at high magnetic fields. This means that effective pinning centers must be added into the material microstructure, in order to halt dissipative flux movements. Concerning the basic microscopic mechanism to explain the superconductivity in MgB2, several experimental and theoretical works have pointed to the relevance of a phonon-mediated interaction, in the framework of the BCS theory. Questions have been raised about the relevant phonon modes, and the gap and Fermi surface anisotropies, in an effort to interpret spectroscopic and thermal data that give values between 2.4 and 4.5 for the gap energy ratio. Preliminary results on the anisotropy of Hc2 have shown a ratio, between the in-plane and perpendicular directions, around 1.7 for aligned MgB2 crystallites and 1.8 for epitaxial thin films. Here we show a study on the angular dependence of Hc2 pointing to a Fermi velocity anisotropy around 2.5. This anisotropy certainly implies the use of texturization techniques to optimize Jc in MgB2 wires and other polycrystalline components.Comment: 10 pages + 4 Figs.; Revised version accepted in Phys. Rev.