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A PI+R Control Scheme Based on Multi-Agent Systems for Economic Dispatch in Isolated BESSs

IEEE/CAA Journal of Automatica Sinica 2024年第10期11卷 2154-2165页

作者： Yalin Zhang Zhongxin Liu zengqiang Chen College of Artificial Intelligence Nankai UniversityTianjin 300350 Tianjin Key Laboratory of Interventional Brain-Computer Interface and Intelligent Rehabilitation Nankai UniversityTianjin 300350China IEEE

Battery energy storage systems(BESSs)are widely used in smart ***,power consumed by inner impedance and the capacity degradation of each battery unit become particularly severe,which has resulted in an increase in operating *** general economic dispatch(ED)algorithm based on marginal cost(MC)consensus is usually a proportional(P)controller,which encounters the defects of slow convergence speed and low control *** order to solve the distributed ED problem of the isolated BESS network with excellent dynamic and steady-state performance,we attempt to design a proportional integral(PI)controller with a reset mechanism(PI+R)to asymptotically promote MC consensus and total power mismatch towards 0 in this *** be frank,the integral term in the PI controller is reset to 0 at an appropriate time when the proportional term undergoes a zero crossing,which accelerates convergence,improves control accuracy,and avoids *** eigenvalues of the system under a PI+R controller is well analyzed,ensuring the regularity of the system and enabling the reset *** ensure supply and demand balance within the isolated BESSs,a centralized reset mechanism is introduced,so that the controller is distributed in a flow set and centralized in a jump *** cope with Zeno behavior and input delay,a dwell time that the system resides in a flow set is *** on this,the system with input delays can be reduced to a time-delay free *** the capacity limitation of the battery,a modified MC scheme with PI+R controller is *** correctness of the designed scheme is verified through relevant simulations.

关键词： Battery energy storage system(BESS) distributed control economic dispatch multi-agent system reset control

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Influence of bolt dynamic installation on topography characteristics and mechanical behaviors of CFRP interference-fit bolted joints

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Chinese Journal of Aeronautics 2024年第2期37卷 482-500页

作者： Xiaohe WANG zengqiang CAO Yuehaoxuan WANG Yingjiang GUO School of Mechanical Engineering Northwestern Polytechnical UniversityXi’an 710072China NPU Xuhang Electromagnetic Technology Co. Ltd.Xi’an 710100China

As the controlled research of Dynamic Installation(DI)and Static Installation(SI),a new interference installation method was developed based on electromagnetic loading to enhance the mechanical properties of composite *** different interference-fit sizes were considered,ranging from a net fit to 2.0%.The experiments were conducted to evaluate the installation resistance and the mechanical behavior of the joint under external ***,an FFA model to model the stress distribution and damage behavior of the bolt-hole contact interface was *** load-displacement curve and damage modes of experiments were used to verify the FEA *** results show that the installation resistance during DI process was remarkably lower than that of SI process corresponding to all interference-fit sizes,and the stress amplitudes induced by interference were larger and widely *** damage of the hole wall was positively correlated with interference fit size,but DI can significantly reduce the damage compared to *** performance tests,DI enhanced the static bearing capacity and extended longer fatigue life of the joints than *** methods can be an effective way to achieve highly reliable interference joints in composite structures.

关键词： Carbon Fiber-Reinforced Polymer(CFRP) Bolted joints Interference-fit Electromagnetic installation Finite Element Analysis(FEA) Damage mechanics Bearing behavior

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Online control for pressure regulation of oxygen mask based on neural network

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Control Theory and Technology 2024年第3期22卷 487-501页

作者： Ligan Zhao Qinglin Sun Hao Sun Jin Tao zengqiang Chen College of Artificial Intelligence Nankai UniversityTianjin 300350China Silo Al Helsinki 00100Finland

The aviation oxygen mask,which has a small volume of less than 1. and strong air tightness,imposes extremely high requirements on control performance of the oxygen *** on analyses of the operation principle of oxygen supply system,the dynamic model is established through the combination of mechanism analysis and experimental *** that the traditional fixed-parameter controllers are difficult to meet the control requirements with changes in pulmonary ventilation,this paper presents an online feedback controller based on neural network compensation(NNC),with connection weights that can be updated without *** mathematical simulations at different respiratory parameters,such as respiratory rate,are performed to verify the superior lower inspiratory resistance of controller with *** terms of hardware,an embedded AI control platform is to complete the experimental ***,the work may have downward compatibility to achieve stable oxygen supply in civil fields,such as medical ventilators,high-altitude expeditions.

关键词： Neural network Online control Pressure regulation AI platform

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Lactate metabolism in neurodegenerative diseases

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Neural Regeneration Research 2024年第1期19卷 69-74页

作者： Chaoguang Yang Rui-Yuan Pan Fangxia Guan zengqiang Yuan The Brain Science Center Beijing Institute of Basic Medical SciencesBeijingChina School of Life Sciences Zhengzhou UniversityZhengzhouHenan ProvinceChina

Lactate,a byproduct of glycolysis,was thought to be a metabolic waste until the discovery of the Warburg *** not only functions as a metabolic substrate to provide energy but can also function as a signaling molecule to modulate cellular functions under pathophysiological *** Astrocyte-Neuron Lactate Shuttle has cla rified that lactate plays a pivotal role in the central nervous ***,protein lactylation highlights the novel role of lactate in regulating transcription,cellular functions,and disease *** review summarizes the recent advances in lactate metabolism and its role in neurodegenerative diseases,thus providing optimal pers pectives for future research.

关键词： Alzheimer's disease Astrocyte-Neuron Lactate Shuttle brain central nervous system glucose metabolism glycolysis neuroinflammation Parkinson's disease protein lactylation signaling molecule

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Molecular Epidemiological Study of a Human Brucellosis Outbreak—Weihai City,Shandong Province,China,2022

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China CDC weekly 2024年第12期6卷 230-234页

作者： Yan Li Yifan Yu Jian Zhao Shujun Ding Guoying Zhang Xiaolin Yu zengqiang Kou Shandong Provincial Center for Disease Control and Prevention Jinan CityShandong ProvinceChina Shandong First Medical University Shandong Academy of Medical SciencesJinan CityShandong ProvinceChina Weihai Municipal Center for Disease Control and Prevention Weihai CityShandong ProvinceChina

What is already known about this topic?Brucellosis,mainly caused by Brucella melitensis(***),is regarded as a significant zoonotic disease in *** Weihai,located at the eastern end of the Shandong Peninsula,brucellosis has been in a low epidemic phase for the past five *** is added by this report?This was the initial report of a brucellosis outbreak in the last five *** of *** bv.3 from Weihai and other cities showed a close genetic relationship,suggesting a potential common *** are the implications for public health practice?Epidemiological investigations depend on standardized and effective molecular typing methods and analysis tools for public health laboratories to identify and trace *** the circulation patterns of livestock in free-range households in heavily affected areas is essential for controlling the spread of brucellosis.

关键词： Shandong China. break

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Cooperative Adaptive Cruise Control Platoon Fleet Formation Model Considering Efficiency and Stability

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Journal of Electronic Research and Application 2024年第5期8卷 148-153页

作者： Shunli Li zengqiang Wang Chengdu Eastern Urban and Rural Construction Development Co. LTD.Chengdu 610000Sichuan ProvinceChina School of Management Xihua UniversityChengdu 610000Sichuan ProvinceChina

In the existing formation model,vehicles in the same lane or adjacent lane are regarded as the structure,and the driving behavior of vehicles is studied from the perspectives of safety,speed consistency,and stability,and the speed control model is proposed from the perspective of vehicles themselves,to obtain a stable fleet with the same distance and ***,in this process,the initial condition of the vehicle,the traffic flow environment,and the efficiency of the fleet formation are less ***,based on summarizing the existing fleet building model,this paper puts forward the rapid construction model and algorithm of a cooperative adaptive cruise control platoon *** of the important goals of forming a team is to enter the team with the smoothest trajectory in the shortest ***,this chapter studies the trajectory optimization of the vehicle formation process from the perspective of vehicle dynamics.

关键词： Cooperative adaptive cruise control platoon Fleet stability Communication rules Travel time

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A Lane Change Model Considering the Stability of Cooperative Adaptive Cruise Control Platoon Fleet

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Proceedings of Business and Economic Studies 2024年第5期7卷 7-12页

In this article,lane change models for mixed traffic flow under cooperative adaptive cruise control(CACC)platoon formation are *** analysis begins by examining the impact of lane changes on traffic flow *** influences of various factors such as lane change locations,timing,and the current traffic state on stability are *** this analysis,it is assumed that the lane change location and the entry position in the adjacent lane have already been selected,without considering the specific intention behind the lane *** speeds of the involved vehicles are adjusted based on an existing lane change model,and various conditions are analyzed for traffic flow disturbances,including duration,shock amplitude,and driving *** calculations are provided to illustrate these ***,traffic flow stability is factored into the lane change decision-making *** incorporating disturbances to the fleet into the lane change income model,both a lane change intention model and a lane change execution model are *** models are then compared with a model that does not account for stability,leading to the corresponding conclusions.

关键词： Cooperative adaptive cruise control platoon Lane change models Stability Traffic flow

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Dynamic Analysis of Customer Demand Based on Intuitionistic Fuzzy Number in Product Planning

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Proceedings of Business and Economic Studies 2024年第5期7卷 127-131页

作者： Yongguang Yi zengqiang Wang China Construction Third Engineering Division Second Construction Engineering Co. Ltd.Wuhan 430000Hubei ProvinceChina School of Management Xihua UniversityChengdu 610000Sichuan ProvinceChina

To address the fuzziness and variability in determining customer demand importance,a dynamic analysis method based on intuitionistic fuzzy numbers is ***,selected customers use intuitionistic fuzzy numbers to represent the importance of each ***,the preference information is aggregated using customer weights and time period weights through the intuitionistic fuzzy ordered weighted average operator,yielding a dynamic vector of the subjective importance of the demand ***,the feasibility of the proposed method is demonstrated through an application example of a vibrating sorting screen.

关键词： Quality function deployment Customer demand Intuitionistic fuzzy number Dynamic analysis method

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Spatiotemporal distribution,environmental risk and carbon emission reduction potential of livestock manure in Shaanxi Province,China

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Frontiers of Agricultural Science and Engineering 2024年第3期11卷 381-396页

作者： Mengyuan QIAO Jianchun ZHU Ronghua LI Junting PAN Ran XIAO Hailong WANG Kuok Ho Daniel TANG zengqiang ZHANG College of Humanities&Social Development Northwest A&F UniversityYangling 712100China College of Natural Resources and Environment Northwest A&F UniversityKey Laboratory of Low-carbon Green Agriculture in Northwestern ChinaMinistry of Agriculture and Rural AffairsYangling 712100China Key Laboratory of Non-point Source Pollution of Ministry of Agricultural and Rural Affairs Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin College of Resources and EnvironmentSouthwest UniversityChongqing 400715China Biochar Engineering Technology Research Center of Guangdong Province School of Environmental and Chemical EngineeringFoshan UniversityGuangdong 528000China Department of Environmental Science University of ArizonaTucsonAZ 85721USA

Shaanxi is a leading province in animal husbandry(AH)in ***,the lack of provincial information on the characteristics and utilization potential of livestock manure(LM)hinders crucial management ***,we investigated the spatiotemporal distribution,availability and biogas potential of LM in Shaanxi,and examine the carbon emission reduction potential of *** has been a 1.26-fold increase in LM quantities in Shaanxi over the past 35 years,reaching 4635.6×1.^(4)t by *** was mainly concentrated in northern Shaanxi and the eastern part of *** and pig manure were the primary sources of LM,with the average LM land-load of 1..57 t·ha^(−1.in *** the overall AH in Shaanxi has not exceeded the environmental capacity,the actual scales of AH in Ankang and Hanzhong have already surpassed the respective environmental capacities,posing a higher risk of N and P *** 2021.the estimated biogas energy potential of LM was 1.2×1.^(1.)*** 201. to 2021.the average carbon emission reduction potential in Shaanxi was 22%,with an average potential scale of 1.%.The results of this research provide valuable data and policy recommendations for promoting the intensive use of LM and reducing carbon emissions in Shaanxi.

关键词： Livestock manure emission estimation N and P loads biogas potential carbon emission reduction

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多措并举标本兼治有力有效做好基督教工作

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中国宗教 2024年第5期 33-34页

作者： 1.中共山东省委统战部 2.山东省民宗委中共山东省委统战部山东省民宗委

近年来,山东省结合实际,采取有力举措,扎实做好基督教工作,有效推进基督教中国化山东实践,全省基督教领域呈现出和谐稳定的良好局面。一、严格落实宗教工作责任制,着力构建齐抓共管的宗教事务管理格局山东严格落实各级各部门宗教工作责... 详细信息

近年来,山东省结合实际,采取有力举措,扎实做好基督教工作,有效推进基督教中国化山东实践,全省基督教领域呈现出和谐稳定的良好局面。一、严格落实宗教工作责任制,着力构建齐抓共管的宗教事务管理格局山东严格落实各级各部门宗教工作责任制,通过强化组织保障“小切口”,推动基层宗教事务管理“大文章”。一是压实主体责任。将宗教工作纳入各级党委重要议事日程,构建起各级党委齐抓共管的工作体制。

关键词：基督教中国化齐抓共管宗教事务管理主体责任工作责任制和谐稳定严格落实标本兼治

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