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Empathizing with Emotional Robot Based on Cognition Reappraisal

China Communications 2017年第9期14卷 100-113页

作者： Xin Liu Lun Xie Zhiliang Wang School of Computer and Communication Engineering University of Science and Technology Beijing

This paper proposes a continuous cognitive emotional regulation model for robot in the case of external emotional stimulus from interactive person's expressions. It integrates a guiding cognitive reappraisal strategy into the HMM(Hidden Markov Model) emotional interactive model for empathizing between robot and person. The emotion is considered as a source in the 3D space(Arousal, Valence, and Stance). State transition and emotion intensity can be quantitatively analyzed in the continuous space. This cognition-emotion interactive model have been verified by the expression and behavior robot. Empathizing is the main distinguishing feature of our work, and it is realized by the emotional regulation which operated in a continuous 3D emotional space enabling a wide range of intermediate emotions. The experiment results provide evidence with acceptability, accuracy, richness, fluency, interestingness, friendliness and exaggeration that the robot with cognition and emotional control ability could be better accepted in the human-robot interaction(HRI).

关键词： emotional robot human-robot in-teraction guiding cognitive reappraisal emo-tional regulation active field emotion space

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Multi-origin alkanes related to CO_2-rich, mantle-derived fluid in Dongying Sag, Bohai Bay Basin

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Chinese Science Bulletin 2002年第20期47卷 1756-1760页

作者： JIN Zhijun, ZHANG Liuping, ZENG Jianhui & YANG LeiBasin & Reservoir Research Center, University of Petroleum, Beijing 102249, China Key Laboratory for Hydrocarbon Accumulation Mechanism of Chinese Ministry of Education, University of Petroleum, Beijing 1 Basin and Reservoir Research Center University of Petroleum Beijing 102249 China Key Lab. Hydrocarbon Accumul. Mech. University of Petroleum Beijing 102249 China

With the newly obtained carbon isotope data for the natural gas, a pilot study of multiple-sourced alkanes related to the mantled-derived fluid is presented. The carbon isotope values of alkanes in the Dongying Sag possess the features indicating a general organic origin. However, there are two sub-populations in the isotopic data set, which reflect two specific types of origins. In general, the sub-population with high δ13CCH4 values is related to the CO2-rich, mantle-derived fluid, and it is distributed in the belts where mantle-derived fluid flow and basic volcanic activities have occurred. Geological and geochemical studies demonstrate that this variation of methane carbon isotope values in the Dongying Sag is unrelated with the basin bury and thermal histories, types of source rocks, and reactions between basin fluid and rocks. Mixing of mantle-derived fluid and organic sourced hydrocarbons is probably the cause for the variation.

关键词： mantle-derived fluid organic origin hydrocarbons in-teraction carbon isotope.

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Creep-Fatigue Interaction Life Consumption of Industrial Gas Turbine Blades

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Modern Mechanical Engineering 2018年第4期8卷 221-232页

作者： Ebigenibo Genuine Saturday Thank-God Isaiah Department of Mechanical Engineering University of Port Harcourt Port Harcourt Nigeria Department of Mechanical Engineering Niger Delta University Wilberforce Island Amassoma Nigeria

This paper presents the creep-fatigue interaction life consumption of industrial gas turbine blades using the LM2500+ engine operated at Pulrose Power station, Isle of Mann as a case study. The linear damage summation approach where creep damage and fatigue damage are combined was used for the creep-fatigue interaction life consumption of the target blades. The creep damage was modelled with the Larson-Miller parameter method while fatigue damage was assessed with the modified universal slopes method and the damage due to creep-fatigue interaction was obtained from the respective life fractions. Because of the difficulty in predicting the life of engine components accurately, relative life consumption analysis was carried out in the work using the concept of creep-fatigue interaction factor which is the ratio of the creep-fatigue interaction life obtained from any condition of engine operation to a reference creep-fatigue interaction life. The developed creep-fatigue interaction life consumption analysis procedure was applied to 8 most of real engine operation. It was observed that the contribution of creep to creep-fatigue interaction life consumption is greater than that of fatigue at all ambient temperatures. The fatigue contribution is greater at lower ambient temperatures as against higher ambient temperatures. For the case study, the overall equivalent creep-fatigue factor obtained was 1.5 which indicates safe engine operation compared to the reference condition. The developed life analysis algorithm could be applied to other engines and could serve as useful tool in engine life monitoring by engine operators.

关键词： Creep Damage Fatigue Damage Creep-Fatigue Interaction Creep-Fatigue in-teraction Factor

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