火星探测器协同设计与仿真案例介绍.pptx

CAE带你探索生命之源 1 火星探测器家族照片 MSL的负载 REMS ChemCam MastCam RAD DAN REMOTE SENSING MastCam (M. Malin, MSSS) - Color imaging, atmospheric opacity ChemCam (R. Wiens, LANL/CNES) – Chemical composition; remote micro-imaging CONTACT INSTRUMENTS (ARM) MAHLI (K. Edgett, MSSS) - Microscopic imaging APXS (R. Gellert, U. Guelph, Canada) - Chemical composition ANALYTICAL LABORATORY (ROVER BODY) SAM (P. Mahaffy, GSFC/CNES) - Chemical and isotopic composition, including organics CheMin (D. Blake, ARC) - Mineralogy ENVIRONMENTAL CHARACTERIZATION MARDI (M. Malin, MSSS) - Descent imagery REMS (J. Gómez-Elvira, CAB, Spain) - Meteorology / UV RAD (D. Hassler, SwRI) - High-energy radiation DAN (I. Mitrofanov, IKI, Russia) - Subsurface hydrogen Wheel Base: 2.2 m Height of Deck: 1.1 m Height of Mast: 2.2 m MAHLI APXS Brush Drill / Sieves Scoop MARDI SAM CheMin MSL MER LV/Launch Mass Atlas V（宇宙神5）/4000 kg Delta II/1050 kg Prime Mission 1 yr. cruise/2 yrs. surface 7 mo. cruise/3 mo. surface Payload 10 instruments (80 kg) 5 instruments (~5 kg) EDL System Guided entry + skycrane MPF Heritage/Airbags Heatshield Diam. 4.5 m 2.65 m Surface Power RTG at 2500 W-hr/sol Solar Panels at 900 W-hr/sol Rover Mass 950 kg (allocation) 170 kg (actual) Rover Range 20 km 600 m (few km actual) The data/information contained herein has been reviewed and approved for release by JPL Export Administration on the basis that this document contains no export-controlled information. MSL – MER比较 以前的着陆地点和MSL的着陆地点 MSL最终可能的着陆地点 MSL任务概述 ENTRY, DESCENT, LANDING Guided entry and controlled, powered “sky crane” descent 20×25-km landing ellipse Discovery responsive for landing sites ±30º latitude, 0 km elevation ~1000-kg landed mass CRUISE/APPROACH 9-10 month cruise Spinning cruise stage Arrive N. hemisphere summer LAUNCH Nov. 2011 Atlas V (541) 进入、降落和着陆时间表 Powered Descent Energy Dissipation Via: Rocket Thrust Velocity Range: 200 mph4-40 mph EDL 概述 – 时间顺序 Cruise Stage Separation Despin (2 rpm ® 0 rpm) Cr