A double parallel magnetic suspension with parallel connection is achieved. In the double parallel magnetic suspension system, two magnetic suspension subsystems are controlled with a single power amplifier. Double parallel suspension systems are classified into two types based on the connection of the two coils: series-connected and parallel-connected. The feasibility of series-connected magnetic suspension has been already demonstrated in the previous works. This paper focuses on the parallel-connected parallel suspension. The controllability of the parallel-connected parallel suspension is discussed based on a mathematical model. The feasibility of parallel-connected magnetic suspension is demonstrated experimentally.

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