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1)  subassembly unit
预制分段
2)  prefabricate [英]['pri:'fæbrikeit]  [美][pri'fæbrə,ket]
预制件;分段预制
3)  piecewise prediction and control
分段预估控制
1.
In view of its long time-delay characteristic, piecewise prediction and control method is proposed.
针对其大时滞特性,提出分段预估控制方法,选取合适的测量点和测量变量,将大时滞分成三段较小时滞的子系统,对每一个子系统进行预估控制,各子系统之间依托因果链传递预估和控制信息,最终完成整个系统的控制。
4)  segment precasting
节段预制
1.
In this paper,the principal construction techniques for the main arch of the bridge are briefly described,in which the segment precasting,cable crane installation and construction monitoring are included.
简要介绍主拱的主要施工技术,包括节段预制、缆索吊机安装以及施工监测等。
2.
The construction of a reinforced concrete deck box arch bridge was carried out by segment precasting,cable crane installation and cantilever erection by the aid of stayed cables with the cables fixed by the anchors embedded in rocks.
上承式钢筋混凝土箱形拱桥,采用节段预制,缆索吊机安装,扣锚索悬臂架设。
5)  precast segment
预制节段
1.
The main parts of the approach bridges of Sutong Bridge are of twin prestressed concrete continuous girder bridges with spans each 75 m of constant cross sections and six lanes on the carriageways,and the superstructures of the parts of the bridges were erected by precast segmental assembling construction method.
苏通大桥主引桥为双幅6车道75 m跨等截面PC连续梁桥,其上部结构采用预制节段拼装架设的施工方法。
2.
The precast segmental construction technique is widely used in the viaduct structures for both vehicular and light rail systems.
预制节段拼装连续梁桥可广泛应用于高架桥和轻轨等建设项目。
6)  beam precast
梁段预制
补充资料:解析预估控制
分子式:
CAS号:

性质:一种时滞系统的补偿控制,是1969年由莫尔提出的。当对象存在时滞e-τs时,采用模型预估的手段,构造一个预估器,由输出y(t)预估得到y的未来值y(t+τ)。这就相当于在过程输出乘上e+τs,正好补偿对象的时滞e-τs,条件是必须已知对象特性。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条