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Optimal Energy Control of a Rubber Tyre Gantry with Potential Energy Recovery

机译:具有潜在能量回收能力的橡胶轮胎门架的最佳能量控制

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The Rubber Tyre Gantry (RTG) cranes is a hoisting equipment usually used in port terminals to move shipping containers from one location to another. However, most of RTGs are operated inefficiently, hence a high energy cost is incurred. The reason of poor operation efficiency of RTG crane is that the equipment is operated at a constant speed during true vertical lift, no matter how the load and/or true vertical lift change, also during the lowering of a container, the regenerative breaking energy is usually dissipated through a resistor bank. This work therefore proposes an energy management model that would improve the energy efficiency of the RTG crane. First, we propose to optimally control the regenerative breaking energy to and from the battery bank taking into account the time-of-use tariff and maximum demand. Secondly, we propose to optimally control the hosting speed according to the variability of container weight and true vertical lift.
机译:轮胎式龙门起重机(RTG)是一种起重机械,通常用于港口码头,以将集装箱从一个位置移动到另一个位置。然而,大多数RTG操作效率低下,因此导致高能源成本。 RTG起重机的运行效率差的原因是,在真正的垂直举升过程中,设备以恒定的速度运行,无论负载和/或真正的垂直举升如何变化,在降低集装箱的过程中,再生的破碎能量也很大。通常通过电阻器排散。因此,这项工作提出了一种能源管理模型,该模型将提高RTG起重机的能源效率。首先,我们建议考虑使用时间费率和最大需求,以最佳方式控制往返电池组的再生断电能量。其次,我们建议根据集装箱重量和真实垂直升力的变化来优化控制装载速度。

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