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基于微机电系统(MEMS)技术的固体化学微推进器阵列具有结构简单、无活动部件、功耗低、可靠性高等优点,可以用于微卫星的姿态调整、重力或阻力补偿及轨道变换等任务。国内外相继开展了固体化学微推进器阵列技术的研究。从结构设计、推进剂选择、键合工艺、点火电路等方面综述了各研究团队采取的技术途径和取得的进展,分析了各种技术途径的优缺点。提出了通过调整喷管结构和优化推进剂,提高微推进器的单元冲量,采用具有寻址点火特征的交叉式引线结构点火阵列,解决点火控制电路结构复杂的难题,并指出了固体化学微推进器阵列技术的发展方向。
Based on micro-electromechanical systems (MEMS) technology solid-state micro-propellant array has the advantages of simple structure, no moving parts, low power consumption, high reliability, can be used for microsatellite attitude adjustment, gravity or resistance compensation and orbit transformation tasks . At home and abroad have carried out solid-state micro-propeller array technology research. The technical approaches and progress made by each research team are summarized from structural design, propellant selection, bonding process, ignition circuit and so on, and the advantages and disadvantages of various technical approaches are analyzed. It is put forward that the structure of the ignition control circuit is solved by adjusting the structure of the nozzle and optimizing the propellant to improve the unit impulse of the micro thrusters and adopting the cross-shaped ignition array with addressing ignition characteristics. The solid-state micro-propulsion The development of array technology.