The importance of the zeros of multwariable linear systems is well-knoiun in terms of measure obstructions to the controllability and the. observability. In this paper, a recursive decarnposi Am oj interconnected syst...The importance of the zeros of multwariable linear systems is well-knoiun in terms of measure obstructions to the controllability and the. observability. In this paper, a recursive decarnposi Am oj interconnected systems is outlined by taking into account the sequential structure of the connnections. The paper extends the, coordinate, module-theoretic studies from the elementary algebraic systems theory to include the case oj such linear interconnected systems which need not to be controllable or observable. Also, the properties of controllability and observability, the decoupling zeros and the signal Making issues are characterized.展开更多
为应对大量使用数字组件和构建复杂系统所带来的安全挑战，将系统工程的思想融入事故预防被认为是有效的应对方法．Systems-theoretic accident model and processes（STAMP）正是一种基于系统论的事故分析模型，目前已在航空航天、化...为应对大量使用数字组件和构建复杂系统所带来的安全挑战，将系统工程的思想融入事故预防被认为是有效的应对方法．Systems-theoretic accident model and processes（STAMP）正是一种基于系统论的事故分析模型，目前已在航空航天、化工、医疗、交通安全等领域取得良好的应用．本文首次尝试使用STAMP模型详细分析一起煤矿事故，分别从物理过程、基层操作、直接监管、矿级监管和系统设计、省级监管及事故的动态过程等方面对导致事故发生的控制缺陷进行剖析，发现除技术原因和工人违章操作外，自下而上有12个组织机构存在控制错误，导致这些错误的关键原因是该系统分层控制结构中各层之间的反馈回路在系统外部环境改变后发生了变化．总之，煤矿事故是我国第一大生产事故，本文希望能提供一个更系统、广泛的视角，以帮助发现日益复杂的煤矿系统存在的安全隐患，减少类似事故发生的可能性．展开更多
文摘The importance of the zeros of multwariable linear systems is well-knoiun in terms of measure obstructions to the controllability and the. observability. In this paper, a recursive decarnposi Am oj interconnected systems is outlined by taking into account the sequential structure of the connnections. The paper extends the, coordinate, module-theoretic studies from the elementary algebraic systems theory to include the case oj such linear interconnected systems which need not to be controllable or observable. Also, the properties of controllability and observability, the decoupling zeros and the signal Making issues are characterized.
文摘为应对大量使用数字组件和构建复杂系统所带来的安全挑战，将系统工程的思想融入事故预防被认为是有效的应对方法．Systems-theoretic accident model and processes（STAMP）正是一种基于系统论的事故分析模型，目前已在航空航天、化工、医疗、交通安全等领域取得良好的应用．本文首次尝试使用STAMP模型详细分析一起煤矿事故，分别从物理过程、基层操作、直接监管、矿级监管和系统设计、省级监管及事故的动态过程等方面对导致事故发生的控制缺陷进行剖析，发现除技术原因和工人违章操作外，自下而上有12个组织机构存在控制错误，导致这些错误的关键原因是该系统分层控制结构中各层之间的反馈回路在系统外部环境改变后发生了变化．总之，煤矿事故是我国第一大生产事故，本文希望能提供一个更系统、广泛的视角，以帮助发现日益复杂的煤矿系统存在的安全隐患，减少类似事故发生的可能性．
