基于已有生态系统分类数据成果的转化生产是快速获取生态系统分类数据的有效手段。为解决当前ArcGIS软件基础功能无法满足快速化和批量化数据转化生产要求的问题,本文在Visual Studio 2012开发环境下,采用C#语言,基于ArcGIS Add-in插件...基于已有生态系统分类数据成果的转化生产是快速获取生态系统分类数据的有效手段。为解决当前ArcGIS软件基础功能无法满足快速化和批量化数据转化生产要求的问题,本文在Visual Studio 2012开发环境下,采用C#语言,基于ArcGIS Add-in插件式开发技术,设计并实现了生态系统分类数据生产辅助工具。结果表明,该工具在减少作业量的同时,能够保证数据生产的质量,有效提高了项目的生产效率。展开更多
The hub-driven virtual rail train is a novel urban transportation system that amalgamates the benefits of modern trams and buses.However,this system is plagued by issues such as decreased ride comfort and severe defor...The hub-driven virtual rail train is a novel urban transportation system that amalgamates the benefits of modern trams and buses.However,this system is plagued by issues such as decreased ride comfort and severe deformation of urban roads due to the increase in sprung mass and long-term rolling at the same position.To address these concerns and improve the human-vehicle-road friendliness of the virtual rail train,we propose an Improved Sky-Ground Hook and Acceleration-Driven Damper control(Improved SH-GH-ADD control)strategy for the semi-active suspension system.This control monitors the vibration acceleration signal of the unsprung mass in real-time and selects the mixed Sky-Hook and Acceleration-Driven Damper(SH-ADD)control or the mixed Ground-Hook and Acceleration-Driven Damper(GH-ADD)control based on the positive and negative values of the vibration acceleration of the unsprung mass.The Improved SH-GH-ADD control combines the advantages of SH-ADD control and GH-ADD control to achieve control of the sprung mass and unsprung mass in the full fre-quency band.Finally,through simulation and comparative analysis with traditional SH-ADD,GH-ADD,and mixed SH-GH control,we demonstrate the exceptional performance of the proposed algorithm.展开更多
文摘基于已有生态系统分类数据成果的转化生产是快速获取生态系统分类数据的有效手段。为解决当前ArcGIS软件基础功能无法满足快速化和批量化数据转化生产要求的问题,本文在Visual Studio 2012开发环境下,采用C#语言,基于ArcGIS Add-in插件式开发技术,设计并实现了生态系统分类数据生产辅助工具。结果表明,该工具在减少作业量的同时,能够保证数据生产的质量,有效提高了项目的生产效率。
基金This research was funded by Natural Science Foundation of Sichuan Province(2023NSFSC0395)the Sichuan Science and Technology Program(2022ZH CG0061)the SWJTU Science and Technology Innovation Project(2682022CX008).
文摘The hub-driven virtual rail train is a novel urban transportation system that amalgamates the benefits of modern trams and buses.However,this system is plagued by issues such as decreased ride comfort and severe deformation of urban roads due to the increase in sprung mass and long-term rolling at the same position.To address these concerns and improve the human-vehicle-road friendliness of the virtual rail train,we propose an Improved Sky-Ground Hook and Acceleration-Driven Damper control(Improved SH-GH-ADD control)strategy for the semi-active suspension system.This control monitors the vibration acceleration signal of the unsprung mass in real-time and selects the mixed Sky-Hook and Acceleration-Driven Damper(SH-ADD)control or the mixed Ground-Hook and Acceleration-Driven Damper(GH-ADD)control based on the positive and negative values of the vibration acceleration of the unsprung mass.The Improved SH-GH-ADD control combines the advantages of SH-ADD control and GH-ADD control to achieve control of the sprung mass and unsprung mass in the full fre-quency band.Finally,through simulation and comparative analysis with traditional SH-ADD,GH-ADD,and mixed SH-GH control,we demonstrate the exceptional performance of the proposed algorithm.
