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A CONTROL DEVICE AND A METHOD FOR CONTROLLING A MAGNETIC LEVITATION SYSTEM
A CONTROL DEVICE AND A METHOD FOR CONTROLLING A MAGNETIC LEVITATION SYSTEM
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机译:磁悬浮系统的控制装置及控制方法
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摘要
A control device (101) for controlling a magnetic levitation system includes a controller (103) for controlling one or more voltages directed to one or more windings of the magnetic levitation system on the basis of a deviation of a position of an object (108) to be levitated from a reference position so as to control a resultant magnetic force directed to the object. The controller selects, for each of temporally successive control periods, a control direction so that ability of the resultant magnetic force to decrease the deviation of the position is improved when the resultant magnetic force is changed in the selected control direction. Thereafter, the one or more voltages are selected in accordance with the selected control direction so as to decrease the deviation of the position by changing the resultant magnetic force. Thus, there is no need for nested control loops which are typically challenging to tune.
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