最新国际标准ISO 22986:2007和国家标准GB/T 3811-2008提出以定位精度对桥式起重机的静态刚性和控制系统完善程度的要求,完全放弃与工作级别的联系,使得定位精度、静态刚性、控制系统完善程度的相关性既不明确也不直观,为此有必要对三者进行相关性研究,提出使抽象关系更直观化的曲线图形表达,从而寻求其相关性,归纳其规律性,为桥式起重机的刚性设计提供新途径.%The newest international standard ISO 22986:2007 and national standards GB/T 3811-2008 propose the requirement of the positioning accuracy to crane's static stiffness and degree of perfection of control system, yet completely give up contacts with crane classification group, making the correlation of positioning accuracy, the static stiffness and degree of perfection of control system neither explicit nor direct-viewing. Therefore, it is necessary to research on the correlation to propose a more direct-viewing curve graph expression rather than abstract relations, thus seeking its relevance, generalizing its regularity, and providing the new way for crane's static stiffness design.
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