The microspacecraft is one of the applications of microsystems technology in space field. The micropropulsion system is indispensable in microspacecraft. The solid propellant microthruster is a new class of micropropulsion system, which presents many merits over other micropropulsion systems. The solid propellant microthruster array is necessary to produce the controlled, vectored thrust. Realization of addressing ability and wireless communication is the key to the development of the microthruster array. Therefore, a prototype wireless addressing circuitry is developed to realize the addressing of the microthruster array by multiplexing system, to measure the igniter temperature variation with time by measuring the igniter resistance change, and to achieve automatic control by RS232 and RF wireless communications. Operation principle, design, fabrication, and testing of the circuitry are presented. Measurement results using the circuitry both for the silicon solid propellant microthruster and the ceramic solid propellant microthruster are also included in this paper
A wireless addressing circuitry for microthruster array
Eine drahtlose Adressierungsschaltkreistechnik für ein Mikroschuberzeuger-Array
2005
4 Seiten, 9 Bilder, 7 Quellen
Conference paper
English
A wireless addressing interface circuitry for microthruster array applications
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