Chiba Institute of Technology is a private university in Narashino, Chiba, Japan. abbreviated as Chiba kōdai ,Chiba kō ,kōdai ,sen kōdai .The school was founded in 1942 in Machida, Tokyo. In 1946 it was relocated to Kimitsu, Chiba, adopted the present name at the same time. Four years later, it was moved to the present location. It is the oldest private technical university in Japan. Wikipedia.
Fujii K.,Chiba Institute of Technology
Journal of Earthquake Engineering | Year: 2011
The present article focuses on a nonlinear static procedure (NSP) for a multi-story asymmetric frame building with regular elevation subjected to bi-directional ground motion. In this procedure, two simplified models-an equivalent single-story model and an equivalent single-degree-of-freedom (SDOF) model-are used to predict the peak response of multi-story asymmetric buildings. The peak response is predicted through pushover analysis of an equivalent single-story model considering the effect of bi-directional excitations and an estimation of the nonlinear response of equivalent SDOF models. The predicted results are compared with the nonlinear dynamic analysis results, and satisfactory predictions can be obtained by the proposed procedure. Copyright © A. S. Elnashai & N. N. Ambraseys. Source
Kamino K.,Chiba Institute of Technology
Biofouling | Year: 2010
Balanomorphan barnacles attach their calcareous bases to a variety of substrata, including others of the same species, through secretion of an underwater adhesive, commonly referred to as cement. In this multi-functional process of underwater attachment, curing of the adhesive is crucial for the formation of a secure attachment. To date, there has been no direct evidence presented to suggest the involvement of cross-linking or polymerization in the cement curing process, despite the emergence of this hypothesis in the recent literature. A recently proposed mechanism for cement curing involves glutamyl-lysine cross-linking via the action of trans-glutaminase. However, in the opinion of the author, inadequate attention may have been paid to sample collection during the study and the conditions used in the analysis may not be adequate to support the conclusions of the paper. Indeed, further investigation, the results of which are presented here, did not provide any evidence to support adhesive curing via glutamyl-lysine cross-linking. Therefore, the hypothesis that the process of cement curing is similar to the clotting system of barnacle hemolymph is not compatible with the data reported so far. In order to allay any potential confusion, a new definition of the barnacle cement is proposed. © 2010 Taylor & Francis. Source
Fujii K.,Chiba Institute of Technology
Bulletin of Earthquake Engineering | Year: 2014
A simplified procedure is proposed to predict the largest peak seismic response of an asymmetric building to horizontal bi-directional ground motion, acting at an arbitrary angle of incidence. The main characteristics of the proposed procedure is as follows. (1) The properties of two independent equivalent single-degree-of-freedom models are determined according to the principal direction of the first modal response in each nonlinear stage, rather than according to the fixed axis based on the mode shape in the elastic stage; the principal direction of the first modal response in each nonlinear stage is determined based on pushover analysis results. (2) The bi-directional horizontal seismic input is simulated as identical spectra of the two horizontal components, and the contribution of each modal response is directly estimated based on the unidirectional response in the principal direction of each. (3) The drift demand at each frame is determined based on four pushover analyses considering the combination of bi-directional excitations. In the numerical example, nonlinear time-history analyses of six four-story torsionally stiff (TS) asymmetric buildings are carried out considering various directions of seismic inputs, and these results are compared with the predicted results. The results show that the proposed procedure satisfactorily predicts the largest peak response displacement at the flexible-side frame of a TS asymmetric building. © 2013 Springer Science+Business Media Dordrecht. Source
Denso Corporation, Chiba Institute of Technology, Canon Inc. and UACJ Corporation | Date: 2014-04-29
In a method for brazing a sheet material without use of flux, an inert gas is firstly introduced into an oxygen pump to reduce an oxygen partial pressure in the inert gas to 110
Chiba Institute of Technology and Aisin Seiki | Date: 2015-03-02
A single passenger carrying mobile robot, includes a single operated member that is operated by a passenger to instruct both a moving direction and a moving speed of the passenger carrying mobile robot, a moving member configured to move the passenger carrying mobile robot and a controller configured to control the moving member based on input information input to the operated member by the passenger, wherein the passenger carrying mobile robot further includes a sensor that acquires obstacle information of a surrounding of the passenger carrying mobile robot, and the controller predicts an expected course of the passenger carrying mobile robot based on the input information and determines based on the obstacle information whether or not an obstacle is located in the expected course, and changes a control of the moving member when determining that the obstacle is located.