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On homogeneous square Einstein metrics
Shaoqiang Deng,Xingda Liu 대한수학회 2017 대한수학회보 Vol.54 No.3
We prove that a homogeneous square Einstein Finsler metric is either Riemannian or flat.
ON HOMOGENEOUS SQUARE EINSTEIN METRICS
Deng, Shaoqiang,Liu, Xingda Korean Mathematical Society 2017 대한수학회보 Vol.54 No.3
We prove that a homogeneous square Einstein Finsler metric is either Riemannian or flat.
Model Predictive Control of Neutral Point Clamped Inverter with Reduced Switching Frequency
Mu Li,Shu Zhan,Bing Chu,Xingda Yan 전력전자학회 2019 ICPE(ISPE)논문집 Vol.2019 No.5
This paper proposes a novel model predictive control (MPC) algorithm with reduced switching frequency for Neutral Point Clamped (NPC) inverters. The proposed method can reduce the switching frequency through the optimization of switching sequences, while keeping the advantages of the conventional MPC method such as fast response and handling multiple constraints. The performance of this proposed method is verified by simulation results with a three-level NPC inverter.
Tao, Da,Liu, Zhaopeng,Diao, Xiaofeng,Tan, Haibo,Qu, Xingda,Zhang, Tingru Korean Nuclear Society 2021 Nuclear Engineering and Technology Vol.53 No.5
Demographics, personality traits and attitudes are related to safety behaviors in varied workplaces, but their roles in nuclear power plants (NPPs) have not been fully understood. This study was conducted to explore the roles of a set of demographic, personality and attitudinal factors on self-reported safety behaviors (including safety participation and human errors) among NPP commissioning workers. Survey data were collected from 157 Chinese commissioning workers. Results showed that age and work experience were significantly associated with human errors, but not with safety participation. Neuroticism and conscientiousness were significantly related to human errors, while neuroticism, conscientiousness and agreeableness were significantly related to safety participation. Attitude towards questioning was observed as an antecedent of safety participation, and functioned as a mediating variable in the relation between conscientiousness and safety behaviors. The findings provide evidence-based implications on the design of diverse interventions and strategies for the promotion of safety behaviors in NPPs.