Algebraic control of a magnetically suspended sphere: Design and hardware implementation using a digital signal processor
DOI:
https://doi.org/10.22517/23447214.22251Keywords:
Algebraic control, magnetic levitation, pole relocation, digital signal processor, instrumentation and controlAbstract
Magnetic levitation is the phenomenon that occurs when an object is suspended in the air by the action of a magnetic field, either by repulsion or by attraction, with practical applications such as the MagLev train. The main objective is to design a control methodology that allows to improve the characteristics such as greater speed in response times, stability, robustness to external disturbances and in general greater efficiency in the production processes; for this, two control techniques were designed, one by pole relocation and the other with an algebraic control scheme for the comparison of the behavior of the system in terms of stability and robustness in presence of disturbances. The algebraic control method exhibits better performance compared to conventional methods, since it reduces oscillatory behavior and it has greater rejection to external disturbances. We concluded that the use of a high-speed processing device guaranteed that the algorithms executed in real time greatly improved the general response of the physical system.
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