Picosatellite Programming ithin the Constraints of the 1kg 皮卫星编程在1kg约束.pptVIP

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Picosatellite Programming ithin the Constraints of the 1kg 皮卫星编程在1kg约束.ppt

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Picosatellite Programming ithin the Constraints of the 1kg 皮卫星编程在1kg约束

0300 Picosatellite Programming within the Constraints of the 1kg, 10 x 10 x 10cm CubeSat Standard Andrew E. Kalman, Ph.D. Introduction Andrew E. Kalman President and CTO, Pumpkin, Inc. Author of Creator of the 20+ years of embedded systems design and programming experience. Contact: aek@ Outline Overview: Presentation Goals Part I: Picosatellites CubeSats Part II: The CubeSat Standard Part III: Architectural Constraints Part IV: CubeSat Kit Architecture Part V: CubeSat Kit Programming Part VI: Architectural Extensions Overview This presentation is targeted at programmers who are interested in getting their work into space via new, low-cost and rapid-response opportunities. After introducing the CubeSat picosatellite standard, we present an overview of the physical, electrical, mission and cost constraints of a picosatellite conforming to the standard from a programmer’s viewpoint. The embedded architecture of Pumpkin’s CubeSat Kit – a popular implementation of the standard – is one reaction to these constraints. We examine the effects of these constraints on the CubeSat Kit’s operational software. We present extensions to the architecture to bring more “desktop-like functionality” to a CubeSat-class picosatellite. Part I: Picosatellites CubeSats The CubeSat is a 10 x 10 x 10cm, 1kg public picosatellite design specification proposed by Stanford and Cal Poly San Luis Obispo universities. Low-earth orbit (LEO) CubeSat missions have typical lifespans of 3-9 months. Cost to complete a CubeSat mission (inception to launch to operation to end-of-life) ranges from $100,000 to $1,500,000. Working from a standard promotes rapid development and idea sharing Picosatellites are already a hot topic in aerospace. Worldwide interest is focused on CubeSats in particular, partly because they are becoming a de facto standard. Picosatellites CubeSats (cont’d) Development, debugging functional testing: typical lab environment. Pre-delivery and pre-launch: Temp