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Huan-Yong Ji,Jing Li,Chong-Feng Lan,Dan-Feng, Wang,Yong-Sheng Jin 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.5
Open Innovation gains a wide spread attention in technology management research in recent years. Because existing research about the relationship between outbound open innovation and innovation performance is limited and context factors are ignored in existing research and based on Chesbrough’s open innovation model and theory of enterprise competence, this study introduces enterprise competence and knowledge spillovers into the field of outbound open innovation, explores their moderated roles between open innovation and innovation performance. We use high-tech firms as research sample to test the hypothesis that we proposed and find that: (1) outbound open innovation has a positive effect on innovation performance; (2) both enterprise competence and knowledge spillovers moderate the relationship between outbound open innovation and innovation performance. These conclusions have important implications for the development and application of open innovation theory.
Huan-Yong Ji,Yong-Sheng Jin,Jing Li,Hui Tian,Shang-Zheng Feng 보안공학연구지원센터 2015 International Journal of u- and e- Service, Scienc Vol.8 No.11
As market competition continuously intensifies, how to cope with existing and potential market challenges in complex, dynamic environments is a major problem haunting Chinese e-commerce enterprises in their strategic planning. In order to solve this problem, the theory of organizational ambidexterity is applied in this paper to the strategic practices of Chinese e-commerce enterprises, and starting from the view of corporate leadership, the mediated role of top management’s behavioral integration (referred to as TMBI in the following content) in the relationship between transformational leadership behavior and organizational ambidexterity is discussed. In addition, against the practical background that Chinese e-commerce enterprises are facing highly competitive environments, further clarification is made herein by using environmental dynamics as the moderator variable for the mediated link. Through empirical tests on 198 samples of Chinese e-commerce enterprises, we find that: 1) transformational leadership has a positive influence on organizational ambidexterity, and TMBI plays a full mediated role in that influencing process; 2) environmental dynamics moderates the relationship between transformational leadership and TMBI, but don’t have a moderated effect on the relationship between TMBI and organizational ambidexterity. According to the research conclusion in this paper, the mechanism of transformational leadership influencing organizational ambidexterity can be better explained when two important factors, TMBI and environmental dynamics, are taken into consideration. The research in this paper provides not only important revelations for the development of organizational ambidexterity research as well as the application of relevant research achievements, but also supports for Chinese e-commerce enterprises’ effective strategic practices in theory.
이계홍(Ji-Hong Li),전봉환(Bong-Huan Jun),이판묵(Pan-Mook Lee),임용곤(Yong-Kon Lim) 제어로봇시스템학회 2008 제어·로봇·시스템학회 논문지 Vol.14 No.12
This paper presents an asymptotic formation control scheme for a group of underactuated autonomous underwater vehicles (AUVs) where only three control inputs - surge force, yaw moment and pitch moment are available for each vehicle’s six degree of freedom (DOF) underwater motion. Usually, the dynamics agents applied in most of the formation algorithms presented so far have been modeled as particle systems, which is a simple double-integrator system. Therefore, these algorithms cannot be directly applicable to the practical systems, especially to the underwater vehicles whose dynamics are highly nonlinear. Moreover, the vehicles considered in this paper are underactuated. The formation control is derived using general potential function method, and the corresponding potential function consists of two parts: interactions between vehicles and virtual-leader following. Proposed formation scheme guarantees asymptotic local stability of closed-loop system. Numerical simulations are carried out to illustrate the effectiveness of proposed formation scheme.
해저 다관절 로봇의 점프 동작 구현을 위한 해저 지면반발력 계산
김지용(Kim Ji-Yong),전봉환(Bong-Huan Jun),이지홍(Lee Jihong) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
In this paper, when the jump motion for a simulation of the improved underwater articulated robot will be described for the calculation of the reaction force. For a variety of activities in the underwater environment was the transition strategy adopted by jumping motion of the articulated robot to perform both swimming and walking. By calculating the floor reaction forces in the underwater environment to overcome the limitation of the simulation in the previous studies to increase the reliability of the simulation verifies the jump motion of the articulated robot is the ocean floor.
Tarte, Vaishali N,Seok, Hye-Yeon,Woo, Dong-Hyuk,Le, Dinh Huan,Tran, Huong T,Baik, Ji-Won,Kang, In Soon,Lee, Sun-Young,Chung, Taijoon,Moon, Yong-Hwan Springer 2015 Plant cell reports Vol.34 No.7
<P>AtSFT12, an Arabidopsis Qc-SNARE protein, is localized to Golgi organelles and is involved in salt and osmotic stress responses via accumulation of Na (+) in vacuoles. To reduce the detrimental effects of environmental stresses, plants have evolved many defense mechanisms. Here, we identified an Arabidopsis Qc-SNARE gene, AtSFT12, involved in salt and osmotic stress responses using an activation-tagging method. Both activation-tagged plants and overexpressing transgenic plants (OXs) of the AtSFT12 gene were tolerant to high concentrations of NaCl, LiCl, and mannitol, whereas loss-of-function mutants were sensitive to NaCl, LiCl, and mannitol. AtSFT12 transcription increased under NaCl, ABA, cold, and mannitol stresses but not MV treatment. GFP-fusion AtSFT12 protein was juxtaposed with Golgi marker, implying that its function is associated with Golgi-mediated transport. Quantitative measurement of Na(+) using induced coupled plasma atomic emission spectroscopy revealed that AtSFT12 OXs accumulated significantly more Na(+) than WT plants. In addition, Na(+)-dependent fluorescence analysis of Sodium Green showed comparatively higher Na(+) accumulation in vacuoles of AtSFT12 OX cells than in those of WT plant cells after salt treatments. Taken together, our findings suggest that AtSTF12, a Golgi Qc-SNARE protein, plays an important role in salt and osmotic stress responses and functions in the salt stress response via sequestration of Na(+) in vacuoles.</P>