Generally, the loading efficiency of crane is mainly influenced by swing of hanging objects.
吊物的摆动是影响吊车装卸效率的主要原因。
This paper assumes the rotational angular velocity of a crane according to the experimental sine rule, and derives the nonlinear differential equations of the swing Angle.
本文以实验为依据，假定起重机的旋转角速度按正弦规律变化，推出货重偏摆角的非线性微分方程。
According to the horizontal moving rule of bridge crane and the swing rule of grab, We propose a method about swing proof of grab.
根据桥式起重机水平运行规律及抓斗摆动规律，提出了抓斗防摆的一种方法。
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。
The paper presents a designing method for the tail—end balance weight of the swing—arm of the "Crane" type portal cranes.
本文向读者推荐港口鹤式起莺机摇臂尾端平衡重设计方法。
A nonlinear control strategy based on nested saturation approach is presented for an overhead crane to achieve positioning and anti-swing control.
针对吊车系统定位和防摆的控制要求，提出了一种基于嵌套饱和方法的非线性控制策略。
To reduce payload swing of overhead crane systems, a new anti-swing control scheme based on position compensation is proposed.
为了抑制起重机的载荷摆动，提出了一种新型位置补偿消摆控制策略。
Swing basement transformer with mobile crane from first floor openings and swing scaffold on device layer with tower crane.
地下室变压器用汽车吊从首层预留洞吊运，塔楼设备利用塔吊吊运设备层临时平台。
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。
This paper introduced the hardware structure and control arithmetic of load's anti-swing control system of overhead and gantry crane.
介绍了桥门式起重机吊重防摇控制系统的硬件结构和系统控制策略。
For the crane system, this paper reviews the domestic and international present status of anti-swing control of crane, and presents the background and significance of topic selection.
本文以起重机系统为研究对象，综述了国内外起重机防摆控制的研究现状，并在此基础上阐述选题的背景和意义。
In order to improve the operation efficiency, the crane system must have a great ability of anti-swing.
为了提高工作效率，行车必须具有很好的消摆能力。
Through the modal analysis, it is found that main vibration modes of floating crane structure are swing of rope-load system and vibration of boom, and the vibration frequencies are low;
通过模态分析发现，浮吊结构的振型主要表现为主钩钢丝绳-吊重系统摆动和臂架振动，振动频率都很低；
Such as track datum, ballast thickness, flatness of the track is not qualified, the tower crane swing or skew;
如轨道基准面、道渣厚度、轨道平直度等不合格，塔机运行晃动或歪斜；
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.
针对桥式起重机运行过程中载荷摆动造成的运行精度差和工作效率低下问题，提出了一种神经网络直接逆模型控制方法，以降低载荷摆动。
The traveling crane maintains rigidity restriction with the lifting appliance in rapid horizontal shift, thus avoiding free swing of the lifting appliance.
且当行车快速水平移动时与吊具保持刚性约束，避免 吊具发生自由摆动。
As to the horizon motion system of Bridge Crane is a nonlinear, variation parameter and strong coupling system, the nonlinear PID controller is used for positioning and anti-swing.
针对桥式吊车水平运动系统是一个非线性、变参数、强耦合的对象，采用非线性PID控制器进行定位和防摆控制。仿真实验结果表明，系统具有良好的动态、静态特性和强的鲁棒性。
Please swing the derricks at Hatch No. 3 to the shoreside because our floating crane will come alongside to unload the heavy lifts.
请把三舱吊杆移到里档，因为我们的浮吊要到外档卸重件。
Please swing the derricks at Hatch No. 3 to the shoreside because our floating crane will come alongside to unload the heavy lifts.
请把三舱吊杆移到里档，因为我们的浮吊要到外档卸重件。
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