A straight transfer transformation(STT)model for a rotary crane was built in order to reduce the number of variables in the model,calculate the optimal input control voltages quickly,and control the rotary crane concurrently.
目的通过建立旋转起重机直线搬送方式的二维数学模型,减少变量数量,实现最优控制输入信号的快速计算,以达到对旋转起重机进行实时控制的目的。
The model of a rotary crane was derived to know the reason of load swing,and as a result,the load swing could be well controlled.
目的通过建立旋转起重机的数学模型,了解负载摆动的机理,从而实现对该摆动的最优控制。
Optimal Control of a Rotary Crane with Straight Transfer Transformation Based on Coordinate Alternate
基于坐标变换的旋转起重机直线搬送最优控制
Modeling of a Rotary Crane and the Optimal Control for Load Swing
旋转起重机建模及负载摆动的最优控制
telescopic-swivel crane
伸缩-旋转式起重机
slewing crane
回转[旋臂]式起重机
Improned Proposal of 40/10 Ton Crane;
40/10t旋转吊钩桥式起重机的改造方案
A jack operated by a screw.
螺旋起重机，螺旋千斤顶由螺旋杆运作的起重机
The motor of this cargo winch rotates too quickly .It needs readjusting.
这台起货机的马达旋转太快，需要重新调整。
To revolve or cause to revolve.
旋转旋转或引起旋转
level luffing crane
平行运送旋臂起重机
Overbrace jib crane with adjustable hoist. Swing range can be shown.
带有可调节提升机的上支撑动臂起重机。可显示旋转范围。
The newly developed electirc cylindroconical gear rotation device can achieve this.
我们研制的与起重机配套的电动圆锥齿轮旋转装置可实现抓斗的旋转运动。
Underbrace jib crane with adjustable hoist. Swing range can be shown.
带有可调节绞车的下支撑悬臂起重机。可显示旋转范围。
gantry crane with slewing man-trolley
带司机小车的旋臂龙门起重机
lifts and moves heavy objects; lifting tackle is suspended from a pivoted boom that rotates around a vertical axis.
提起并移动重物；起重滑车悬挂在围绕垂直轴旋转的转动吊杆上面。
mobile revolving boom crane
自行式伸臂回转起重机
The arm of carne slewed round.
起重机臂转了过来。
light mast crane
轻型桅杆式转臂起重机
non-slewing mobile crane
非回转流动式起重机