Piezoelectric actuators are generally deemed good candidates for driving compact and efficient mechanisms, offering advantages like fine precision, fast time response, low power consumption, cost and easier implementation. But to meet space applications needs, devices have to comply to many other requirements besides functional ones. So, a significant job was performed to study their capability to withstand space environment various constraints. Qualification test results of a piezo manufacturing source would be here sum up and few recommendations highlighted. Today several mechanism developments using piezo technology are on-going in the space sector. After a brief recall of Cedrat Technologies's Amplified Piezo Actuators original design, this paper presents the work spend on a fine positioning mechanism development for instruments on-board satellites. Development steps and test results of the engineering model of this compact and innovating XY stage will be used to point out some technical drivers in space applications.
Piezo qualification for space applications
Piezoqualifikation für Raumfahrtzwecke
2002
4 Seiten, 7 Bilder, 1 Tabelle, 6 Quellen
Aufsatz (Konferenz)
Englisch
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