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OPTIMAL LINEAR CONTROL APPLIED TO A NON-IDEAL CAPSULE SYSTEM WITH UNCERTAIN PARAMETERS
ROEFERO, LUIZ GUSTAVO PEREIRA,CHAVARETTE, FABIO ROBERTO,OUTA, ROBERTO,MERIZIO, IGOR FELICIANI,MORO, THIAGO CARRETA,MISHRA, VISHNU NARAYAN The Korean Society for Computational and Applied M 2022 Journal of applied mathematics & informatics Vol.40 No.1-2
The design of mechanical structures aims to meet criteria, together with the safety of operators and lives in the vicinity of the equipment. Thus, there are several cases that meeting the desired specification causes the mechanical device to perform unstable and, sometimes, chaotic behavior. In these cases, control methods are applied in order to stabilize the device when in operation, aiming at the physical integrity of the component and the device operators. In this work, we will develop a study about the influence of a controller applied in a non-ideal capsule system operating with uncertain parameters, being non-existent in the literature. For this, two initial conditions were used: one that the capsule starts from rest and another that it is already in motion. Thus, the effectiveness of the controller can be assessed in both initial conditions, restricting the movement of the internal vibration-impact system to the capsule.
Jimmy Brian Mboya,Kevin Odhiambo Obiero,Maureen Jepkorir Cheserek,Kevin Okoth Ouko,Erick Ochieng Ogello,Nicholas Otieno Outa,Elizabeth Akinyi Nyauchi,Domitila Ndinda Kyule,Jonathan Mbonge Munguti 한국수산과학회 2023 Fisheries and Aquatic Sciences Vol.26 No.2
Improved fish post-harvest technologies (IFPT) have been promoted as more efficient methods of fish processing, preservation, and value addition than the traditional methods prevalent in developing countries. The adoption rates, however, do not appear to be convincing. The purpose of this study was to determine the socio-demographic and psychological factors that influence intention of Kenyan farmed fish traders to use IFPT. The technology acceptance model (TAM) was used to properly explain the impact of TAM constructs such as perceived usefulness (PU), perceived ease of use (PEOU), and attitude (ATT), as well as socio-demographic factors such as gender, age, education level and fish trading experience on traders’ intention to use the technologies. A cross-sectional survey was conducted to collect data using a semi-structured questionnaire from 146 traders in Busia, Siaya and Kakamega counties. At a significance level of p = 0.05, a linear regression model was used to examine the socio-demographic and psychological determinants of the traders’ behavioral intention to use the improved technologies. The regression analysis revealed that PU (β = 0.443; p = 0.000), PEOU (β = 0.364; p = 0.000) and ATT (β = 0.615; p = 0.000) influence traders’ intention to use IFPT, with ATT having the highest influence on intention. However, the traders’ socio-demographic characteristics have no effect on their intention to use the technologies, as the coefficients for gender (β = 0.148; p = 0.096), age (β = 0.016; p = 0.882), level of education (β = –0.135; p = 0.141) and fish trading experience (β = 0.017; p = 0.869) are all insignificant. These findings show that the traders intend to use IFPT and will use them when it is in their best economic interests.
Suzuki, T.,Bhang, H.,Franklin, G.,Gomikawa, K.,Hayano, R.S.,Hayashi, T.,Ishikawa, K.,Ishimoto, S.,Itahashi, K.,Iwasaki, M.,Katayama, T.,Kondo, Y.,Matsuda, Y.,Nakamura, T.,Okada, S.,Outa, H.,Quinn, B. Elsevier 2004 Physics letters: B Vol.597 No.3
<P><B>Abstract</B></P><P>We have measured the proton energy distribution from the <SUP>4</SUP>He(stopped <SUP>K−</SUP>,p) reaction by means of time-of-flight. A mono-energetic peak was observed, which is interpreted as the formation of a new kind of neutral tribaryon S<SUP>0</SUP>(3115) with isospin T=1 and strangeness S=−1. The mass and width of the state were deduced to be 3117.0−4.4+1.5MeV/<SUP>c2</SUP> and <21MeV/<SUP>c2</SUP>, respectively. The state mainly decays into ΣNN.</P>
Mesonic and nonmesonic weak decay widths of medium-heavy <tex> $ \Lambda $</tex> hypernuclei
Sato, Y.,Ajimura, S.,Aoki, K.,Bhang, H.,Hasegawa, T.,Hashimoto, O.,Hotchi, H.,Kim, Y. D.,Kishimoto, T.,Maeda, K.,Noumi, H.,Ohta, Y.,Omata, K.,Outa, H.,Park, H.,Sekimoto, M.,Shibata, T.,Takahashi, T.,Y American Physical Society 2005 PHYSICAL REVIEW C - Vol.71 No.2