Sustainable development is the central theme of modern global development.With the arrival of the urban era,the vulnerability and instability of rural areas have significantly increased,and rural sustainable developme...Sustainable development is the central theme of modern global development.With the arrival of the urban era,the vulnerability and instability of rural areas have significantly increased,and rural sustainable development faces serious challenges.To address these issues,the study took the Zaozhuang Innovation Demonstration Zone in China under the National Sustainable Development Agenda as a case,combined with economic,social and land use data during 2016-2020,and applied Granger causality test method to explore the theoretical and practical pathways of“innovation-driven rural sustainable development”.The results showed that rural sustainable development and economic sustainability displayed a trend of synergistic change,with“explosive”growth from 2018 to 2020.The social sustainability steadily increased from 2016 to 2020.Ecological and spatial sustainability continuously declined during the study period.Moreover,the rural innovation capacity of the Zaozhuang Innovation Demonstration Zone displayed rapid growth during 2016-2020.Although the rural innovation capacity of the Zaozhuang Innovation Demonstration Zone has rapidly improved,it has a weak driving effect on rural sustainable development and economic sustainability.There are two primary challenges that must be overcome to ensure the rural sustainable development of the Zaozhuang Innovation Demonstration Zone.The first challenge is the imbalance among the multi-dimensional relationships in the process of rural sustainable development,and the second challenge is the weakening of rural innovation capacity to drive rural sustainable development.To overcome these challenges,this study proposed a systematic pathway for rural sustainable development in the Zaozhuang Innovation Demonstration Zone from multidimensions,such as policy actions,technologies,projects,and institutional guarantees,and formed a universal and representative“Zaozhuang model”.This study expands the theoretical foundation of rural sustainable development and provides theoretical and practical support for innovation-driven rural sustainable development.展开更多
针对服装定制信息物理生产系统(cyber-physical production system,CPPS)中离散事件、连续过程、随机因素、时延特性以及冲突现象等混杂特性的建模问题,将智能工厂CPPS系统视为一类混杂系统,分析CPPS系统中的混杂特性,基于HSTPN(hybrid ...针对服装定制信息物理生产系统(cyber-physical production system,CPPS)中离散事件、连续过程、随机因素、时延特性以及冲突现象等混杂特性的建模问题,将智能工厂CPPS系统视为一类混杂系统,分析CPPS系统中的混杂特性,基于HSTPN(hybrid stochastic timed petri net)建立服装定制智能工厂CPPS的事件层和物理层模型,并基于HSTPNSim软件对该模型仿真.分析了不同材质服装熨烫的连续过程,系统时延以及工艺合格率对客户满意度的影响,并与红领集团的个性化定制生产节奏进行对比.仿真结果表明,服装定制CPPS系统中熨烫过程可实现对不同材质服装熨烫过程的描述,且通过对面辅料采购与设计过程并行、增加防刮保护以及设备升级等措施可提高顾客的满意度.因此,HSTPN模型可有效描述服装定制CPPS.展开更多
Micro/nano positioning technologies have been attractive for decades in industrial and scientific applications fields. The actuators have inherent hysteresis that can cause system unexpected behave in some extend. In ...Micro/nano positioning technologies have been attractive for decades in industrial and scientific applications fields. The actuators have inherent hysteresis that can cause system unexpected behave in some extend. In this research, the authors used extented unparallel Prandtl-Ishlinshii(EUPI)models to represent the input-output relationship of a piezo-driven micro position stage. Integral inverse(I-I) compensator is used for compensating the hysteresis characteristics of the micro positioning stage and compared with direct inverse(D-I) compensator and inverse model(I-M) compensator. However,the accuracy and the robustness of the I-I compensator are worse when there is noisy in the system,a novel sliding-mode-like-control with EUPI(SMLC-EUPI) method was proposed and analyzed by different trajectory tracking experiments in Matlab environment. Though the above strategies can alleviate most deviation, the adjustment of the SMLC’s parameters is very complex. So the fuzzy method is used to adjust these parameters and be verified by trajectory tracking experiments. Finally,for validating the proposed control method, the paper did the corresponding experiment in microscope with CMOS and obtained convincing results.展开更多
基金funded by the National Natural Science Foundation of China(72134002,42101264)the Fundamental Research Funds for the Central Universities(2023CDSKXYGG006)+3 种基金the Key Projects of Philosophy and Social Sciences Research,Ministry of Education of China(21JZD029)the Department of Science and Technology for Social Development of Ministry of Science and Technology of Chinathe Administrative Center for China’s Agenda 21the Zaozhuang Science and Technology Bureau for their support。
文摘Sustainable development is the central theme of modern global development.With the arrival of the urban era,the vulnerability and instability of rural areas have significantly increased,and rural sustainable development faces serious challenges.To address these issues,the study took the Zaozhuang Innovation Demonstration Zone in China under the National Sustainable Development Agenda as a case,combined with economic,social and land use data during 2016-2020,and applied Granger causality test method to explore the theoretical and practical pathways of“innovation-driven rural sustainable development”.The results showed that rural sustainable development and economic sustainability displayed a trend of synergistic change,with“explosive”growth from 2018 to 2020.The social sustainability steadily increased from 2016 to 2020.Ecological and spatial sustainability continuously declined during the study period.Moreover,the rural innovation capacity of the Zaozhuang Innovation Demonstration Zone displayed rapid growth during 2016-2020.Although the rural innovation capacity of the Zaozhuang Innovation Demonstration Zone has rapidly improved,it has a weak driving effect on rural sustainable development and economic sustainability.There are two primary challenges that must be overcome to ensure the rural sustainable development of the Zaozhuang Innovation Demonstration Zone.The first challenge is the imbalance among the multi-dimensional relationships in the process of rural sustainable development,and the second challenge is the weakening of rural innovation capacity to drive rural sustainable development.To overcome these challenges,this study proposed a systematic pathway for rural sustainable development in the Zaozhuang Innovation Demonstration Zone from multidimensions,such as policy actions,technologies,projects,and institutional guarantees,and formed a universal and representative“Zaozhuang model”.This study expands the theoretical foundation of rural sustainable development and provides theoretical and practical support for innovation-driven rural sustainable development.
文摘针对服装定制信息物理生产系统(cyber-physical production system,CPPS)中离散事件、连续过程、随机因素、时延特性以及冲突现象等混杂特性的建模问题,将智能工厂CPPS系统视为一类混杂系统,分析CPPS系统中的混杂特性,基于HSTPN(hybrid stochastic timed petri net)建立服装定制智能工厂CPPS的事件层和物理层模型,并基于HSTPNSim软件对该模型仿真.分析了不同材质服装熨烫的连续过程,系统时延以及工艺合格率对客户满意度的影响,并与红领集团的个性化定制生产节奏进行对比.仿真结果表明,服装定制CPPS系统中熨烫过程可实现对不同材质服装熨烫过程的描述,且通过对面辅料采购与设计过程并行、增加防刮保护以及设备升级等措施可提高顾客的满意度.因此,HSTPN模型可有效描述服装定制CPPS.
基金supported by the National Natural Science Foundation of China under Grant Nos.61573093 and U1613205
文摘Micro/nano positioning technologies have been attractive for decades in industrial and scientific applications fields. The actuators have inherent hysteresis that can cause system unexpected behave in some extend. In this research, the authors used extented unparallel Prandtl-Ishlinshii(EUPI)models to represent the input-output relationship of a piezo-driven micro position stage. Integral inverse(I-I) compensator is used for compensating the hysteresis characteristics of the micro positioning stage and compared with direct inverse(D-I) compensator and inverse model(I-M) compensator. However,the accuracy and the robustness of the I-I compensator are worse when there is noisy in the system,a novel sliding-mode-like-control with EUPI(SMLC-EUPI) method was proposed and analyzed by different trajectory tracking experiments in Matlab environment. Though the above strategies can alleviate most deviation, the adjustment of the SMLC’s parameters is very complex. So the fuzzy method is used to adjust these parameters and be verified by trajectory tracking experiments. Finally,for validating the proposed control method, the paper did the corresponding experiment in microscope with CMOS and obtained convincing results.
