计算机辅助统计过程控制(CA-SPC)是提高过程管理水平和质量的重要手段。在对CA-SPC进行需求分析与确定的基础上,进一步对用 MS EXCEL 2000来实现 CA－SPC的技术可行性进行了深入研究,并指出其优越性。描述了基于 MS EXCEL 2000的 CA－SP...计算机辅助统计过程控制(CA-SPC)是提高过程管理水平和质量的重要手段。在对CA-SPC进行需求分析与确定的基础上,进一步对用 MS EXCEL 2000来实现 CA－SPC的技术可行性进行了深入研究,并指出其优越性。描述了基于 MS EXCEL 2000的 CA－SPC系统功能结构,对应用流程进行了研究,对实现过程中的关键技术进行了说明。通过实际应用,实现了对生产过程质量状况进行分析、监控,并自动生成报表的功能。展开更多
The flight-structural dynamics of a high-aspect-ratio wing challenge the flight control design.This paper develops a reduced model of coupled dynamics with stability consideration.The structural dynamics are formulate...The flight-structural dynamics of a high-aspect-ratio wing challenge the flight control design.This paper develops a reduced model of coupled dynamics with stability consideration.The structural dynamics are formulated with dihedrals,and the central loads drive the deformation.The control-oriented model with essential coupled dynamics is formulated.Modal sensitivity anal-ysis and input–output pairing are performed to identify the control structure.Besides,an example of flight control design is provided to discuss the necessity of considering structural dynamics in controller design.Analytical coupled flight dynamics provide a system-theoretic approach for sta-bility and facilitate model-based control techniques.Simulation results reveal the characteristics of flight-structural coupled dynamics and demonstrate that the influence of flexible modes should be considered in control design,especially in lateral dynamics.展开更多
文摘计算机辅助统计过程控制(CA-SPC)是提高过程管理水平和质量的重要手段。在对CA-SPC进行需求分析与确定的基础上,进一步对用 MS EXCEL 2000来实现 CA－SPC的技术可行性进行了深入研究,并指出其优越性。描述了基于 MS EXCEL 2000的 CA－SPC系统功能结构,对应用流程进行了研究,对实现过程中的关键技术进行了说明。通过实际应用,实现了对生产过程质量状况进行分析、监控,并自动生成报表的功能。
基金co-supported by the Natural Science Founda-tion of Jiangsu Province,China(No.BK20200437)the National Natural Science Foundation of China(No.62103187)the Fundamental Research Funds for the Cen-tral Universities,China(No.NT2022025).
文摘The flight-structural dynamics of a high-aspect-ratio wing challenge the flight control design.This paper develops a reduced model of coupled dynamics with stability consideration.The structural dynamics are formulated with dihedrals,and the central loads drive the deformation.The control-oriented model with essential coupled dynamics is formulated.Modal sensitivity anal-ysis and input–output pairing are performed to identify the control structure.Besides,an example of flight control design is provided to discuss the necessity of considering structural dynamics in controller design.Analytical coupled flight dynamics provide a system-theoretic approach for sta-bility and facilitate model-based control techniques.Simulation results reveal the characteristics of flight-structural coupled dynamics and demonstrate that the influence of flexible modes should be considered in control design,especially in lateral dynamics.
