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Nonlinear Dynamics of Three Dimensional Tractor Model Incorporating Bouncing Phenomenon
( Masahisa Watanabe ),( Kenshi Sakai ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
Tractor jumps under certain conditions. This “bouncing phenomenon” can lead to fatal accidents of tractor. Bouncing process is strong nonlinear elements in tractor dynamics. Bouncing phenomenon have been studied in two-dimensional tractor model. However, real accidents occur three-dimensional space. Therefore, in this study, three-dimensional tractor model incorporating bouncing phenomenon was developed and numerical experiments were conducted. Based on the developed model, it can be possible to develop a driving simulator for agricultural tractors.
Masahisa Hayashi 한국경제연구원 2012 한국경제연구원 세미나자료 Vol.12 No.12
Japan’s economic recovery after the Second World War was once called an economic miracle, and high economic growth rate led Japan to the position of the second largest economy in the world next to that of the United States. Japan was indeed No. 1 in many fields in the 1980's, and some futurists predicted that the 21st century would be the century of Japan. The rise and fall is inevitable for any great empires including the Roman Empire, the British Empire and many Chinese or Korean dynasties. Japan’s rise and fall seems to be no exception, only the rise lasted too short. Japan is facing many serious problems including that of fast aging of population, very low economic growth rate, huge government debt outstanding which is now much higher than 200% of GDP. The Constitution of Japan clearly declares that she is a welfare state and its Article 25 says “All people shall have the right to maintain the minimum standards of wholesome and cultured living in all spheres of life, the State shall use its endeavors for the promotion and extension of social welfare and security, and of public health”. The combination of fast aging of population and the welfare state necessarily increase the social security expenditures enormously. Japan has at the same time lost strict fiscal discipline and in spite of Article 4 of the Finance Law which strictly forbids the reliance on borrowed money for the government expenditures except for the government investment expenditures, the government has been borrowing every year more than tax revenues and a large portion of borrowed money is used for the current expenditures which is clearly violation of Article 4 of the Finance Law. The government has to pass a law every year to borrow money for current expenditures as an exception to Article 4 of Finance Law. The pension plan is almost bankrupt and many more people demand for the payment of so-called livelihood protection or Japanese public assistance system. On the other hand, the high economic growth period of the 1960’s, 1970’s and 1980’s has become a past dream and Japanese economic growth rate has been very low since the 1990’s. Japan has fallen to the third position in terms of GDP after China and per capita income is falling continuously. Once a very high saving rate of Japan is a past story and what little saving made is invested overseas and not in Japan. Thus the capital formation and the labor productivity have been sluggish leading to lower living standard for Japanese people. These factors Japan is currently facing are closely interrelated. In this paper the author will report on each factor in detail and probe for possible solutions of these serious problems.
Some Chronological Observations of Neuroses in Japan
Masahisa Nishizono 대한신경정신의학회 1973 신경정신의학 Vol.12 No.4
神經症은 對人關係의 障害인만큼, 文化變容(acculturation) 의 影響을 받음으로서 心因의 特性이나 神經症 病像이 變化하기 쉽 다. 그래서 神經症의 心因이나 病像의 時代的 推移를 봄 으 로 싸 逆으로 特定한 社會의 文化 的 特徵을 볼수도 있다. 曰本國의 神經症의 時代的變遷을 觀察해 보 면 , 첫째로 古典的症狀이 있는 conversion hysteria 는 滅少하고 도 리혀 自律神經失調症狀등의 hypochondriasis 가 第二次 大戰을 고비로하여 最近 부쩍 늘어 나고 있다. 日本國의 文化와 깊은 關係가 있다고 알려져있는 Morita-Nervousness 는 最近減少하고 hypochondriacal symptom , depressive symptom 을 呼訴하며 學校나 職場에 나가지 못하는 患者가 增加하 고 있다. 즉 今日의 日 本國의 神經症은 思春期에 는 .school phobia 또는 school refusal이, 成ᄉ에서는 抑猶神經症, 알晉 多用者등 이 增加하고 있다. 이러한 現象은 日本國의 家族制度의 崩壞와 經濟的繁 榮으로 인하여 오히려 個人 이 norm 을 잃게되었다는 事實과 關係되는것이라고 생각된다 . 古代에 있어서 同ᅳ 文化圈이었던 韓國과의 比較硏究가 可能한것으로 보고 이에 提案하는 바이다. < 本 論文은 演者가 1972年 10月 2 1日 * 邱에서 開催 된 大韩神經精神醫學會 年次學術*會에 招請되어 特別 請演 ( 英文;)으로 發表한것임— 抄錄额譯者 : 俞頓软>
Introduction of Japanese Ocean Flux data sets with Use of Remote sensing Observations(J-OFURO)
Kubota, Masahisa 대한원격탐사학회 1999 International Symposium on Remote Sensing Vol.15 No.1
Accurate ocean surface fluxes with high resolution arc critical for understanding a mechanism of global climate. However, it is difficult to derive those fluxes by using ocean observation data because the number of ocean observation data is extremely small and tile distribution is inhomogeneous. On the other hated, satellite data are characterized by the high density, the high resolution and the homogeneity. Therefore, it can be considered that we obtain accurate ocean surface fluxes by using satellite data. Recently we constructed ocean surface data sets mainly using satellite data. The data set is named by Japanese Ocean Flux data sets with Use of Remote sensing Observations (J-OFURO). Here, we introduce J-OFURO. The data set includes shortwave radiation, longwave radiation, latent heat flux, sensible heat flux, and momentum flux ctc. Moreover, sea surface dynamic topography data are included it1 tile data set. Radiation data sets covers western Pacific and eastern Indian Ocean because we use a Japanese geostationally satellite (GMS) to estimate radiation tuxes. On the other hand, turbulent heat fluxes are globally estimated. The constructed data sets are used and shows the effectiveness for many scientific studies.
Nishizono, Masahisa,西園昌久 인제대학교 1980 仁濟醫學 Vol.1 No.2
Freud에 의해 제창된 정신분석학은 무의식을 통해 인간이해를 돕는 정신치료의 이론으로서 Freud의 사후 세계적으로 널리 알려지고 발전되어 왔는데 특히 최근부터는 동양사상과의 공통점을 찾으려는 경향이 생기고 있다. Freud는, 인간의 불안이 Oedipus삼각관계에 기인한다고 했고 미국의 정신분석학도 이와같은 입장을 취하나 영국의 학자들은 아이와 어머니의 관계 즉 인간이 태어나서 형성하는 대상관계에 있다고 했다. 일본에서는 그간의 치료경험에 의해 어머니와 아이의 관계에 의식적으로든 또는 무의식적으로든 영향을 주는 아버지와의 관계를 이해하는것이 치료적으로 많은 도움이 되는것을 볼때 부모 자녀의 공존관계는 가장 이상적인 것으로 생각되며 대상관계 이론만으로는 너무 지능적이고 부족한점이 있는것같다. 그런 의미에서 우리의 경험은 Freud의 이론과 공통점이 있으며 동양에서도 많은 연구가 실천되어야 하겠다. (오석환 대리작성) The author attempts to seek the possibility of dialogue between the Orient and Occident in view of psychoanalysis. Freudian orthodox psychoanalytic theory, Neo-Freudian theory, American psychoanalytic theory, and British psychoanalytic schools were reviewed and the Oedipus triangular relation and the object relation theory were compared. The author found that Japanese have the commonness with Freudian triangular theory and reached to the conclusion that studies based on the Oedipus triangular relation in Orient will present another way of looking at psychoanalysis.
High-strength Soft Magnetic Composite with Self-lubricating Resin
Miyahara Masahisa,Tanaka Yoshihiro,Igarashi Kazunori,Morimoto Koichiro 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
Improvement of the strength is one of the most important subjects on soft magnetic composite (SMC) to increase the applica ble items. In this study, lubricants for inner lubricating SMC, which can be produced in lower cost than die wall-lubricatin g SMC, varied to investigate their effect on the strength. The newly developed SMC with self-lubricating resin shows high st rength equivalent to that of SMC obtained by die wall lubrication.