Energy Cost Assessment of the Active Control of a Rotating Machine by Using an Electromagnetic Actuator and a Piezoelectric Actuator

Abstract

The performances for controlling a rotating machine by using either an Electromagnetic Actuator or a Piezoelectric Actuator are compared in this work. The aim is to establish selection criteria based on environmental impact. Life Cycle Analysis shows that the operating stage has a considerable impact. In this study, only the operating stage is considered. The energy consumed by the actuators seems to be the appropriate indicator for the same “mechanical” performances. Numerical studies are carried out in order to quantify the energy consumed in each case. Modal control strategy with a fuzzy controller is used. The controller inputs are displacements and velocities. The system studied is modeled by using finite element method and the electrical circuit of each actuator is modeled by using basic electricity and electromagnetism theories. Several configurations are assessed and defined by using the chosen Functional Unit. The results obtained show that both controllers are efficient and enable recommendations for optimal control procedures design for the energy consumed.

Maîtrise de phénomènes de saut dans les réponses fréquentielles des structures avec non-linéarité localisée

“…Ils ont l'avantage d'opérer sans contact et ils peuventêtre utilisés dans des applications nécessitant une propreté absolue ou dans des milieux corrosifs [6]. Les PMA ontégalement l'avantage de pouvoir agir sur l'arbre directement ou indirectement en les associantà des paliers classiques, dans ce cas les PMA agissent comme des actionneurs [7,8].…”

Effect of high-frequency AC electromagnetic actuation on the dynamic of an excited cantilever beam

“…The generated force, proportional to the square of the current and inversely proportional to the square of the length of the air gap, can be exploited positively for controlling nonrotating structure. Basically, EMAs are used in many engineering applications, such as automotive start motors, electric door, hydraulic valves, power relays, and others; see for instance [1][2][3][4].…”