This paper is the second part of the work described in Part I. In Part I, starting from a conceptual design, a mechanical solution to manufacture an innovative electromagnetic linear actuator has been described. In this second part of the work the mechanical solution described in Part I is quantitatively justified by evaluating stresses and deformations in the structure during its functioning. The parts of the device that have been studied are the most critical since, in case of excessive deformation/stress, they can irreparably compromise the actuator operation. These parts are the pole piece-base set and the retention cages of the permanent magnets. The FEM analysis has allowed us to identify the most stressed areas of the previous elements whose shape has been appropriately designed so as to reduce the maximum stresses and deformations. Moreover, the FEM analysis helped to find the most convenient solution to join the pole pieces to the respective bases. At the end of the paper the prototype actuator manufactured and tested on the basis of the studies performed is briefly illustrated.

Development of the Conceptual Design into an Engineering Solution: an Innovative Electromagnetic Linear Actuator for Marine Applications Case Study Part II: Structural mechanical simulation and results

MUSCIA, ROBERTO
2014

Abstract

This paper is the second part of the work described in Part I. In Part I, starting from a conceptual design, a mechanical solution to manufacture an innovative electromagnetic linear actuator has been described. In this second part of the work the mechanical solution described in Part I is quantitatively justified by evaluating stresses and deformations in the structure during its functioning. The parts of the device that have been studied are the most critical since, in case of excessive deformation/stress, they can irreparably compromise the actuator operation. These parts are the pole piece-base set and the retention cages of the permanent magnets. The FEM analysis has allowed us to identify the most stressed areas of the previous elements whose shape has been appropriately designed so as to reduce the maximum stresses and deformations. Moreover, the FEM analysis helped to find the most convenient solution to join the pole pieces to the respective bases. At the end of the paper the prototype actuator manufactured and tested on the basis of the studies performed is briefly illustrated.
978-80-554-0958-0
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11368/2829550
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