co-supported by the National Basic Research Program of China (No. 2015CB755802);the National Natural Science Foundation of China (No. 61873351 and No. 62103440)
Icing is one of the main external environmental factors that causes aircraft to lose control.The flight safety assurance system under icing condition is particularly important.However,most of the systems do not consid...
supported by the National Natural Science Foundation of China(Grant No.11972182 and No.U20B2056);sponsored by the Science and Technology Innovation Action Plan of Shanghai(Grant No.19511120900);funded by the Science and Technology on Space Intelligent Control Laboratory(Grant Nos.HTKJ2020KL502019 and 2021-JCJQ-LB-010-04);sponsored by the National Basic Research Program of China(Grant No.JCKY2018203B036 and No.JCKY2021606B002).
The pose determination between nanosatellites and the cooperative spacecraft is essential for swarm in-orbit services.Timeof–flight(ToF)sensors are one of the most promising sensors to achieve the tasks.This paper pr...
the National Key Basic Research Program of China(No.2015CB057400);the National Natural Science Foundation of China(Nos.11672201 and 11872045);the Major Special Basic Research Projects for Aeroengines and Gas Turbines(No.2017-IV-0008-0045)。
Aero-engine rotor systems installed in aircraft are considered to have a base motion.In this paper,a flexible asymmetric rotor system is modeled considering the nonlinear supports of ball bearings and Squeeze Film Dam...
supported by the National Key Basic Research Program of China (No. 2015CB755802)。
Aircraft icing has been proven to be one of the most serious threats to flight safety. During the analysis of flight risk under icing conditions, quantitative assessment and visualization of flight risk are quite esse...
funded by the Major State Basic Research Development Program of China(973 project,Grant No.2012CB214803);National Science and Technology Major Project of China(Grant No. 2016ZX05003-005);National Natural Science Foundation of China(Grant Nos.41322017 and 41472100)
As a new technology of analyzing crude oils, comprehensive two-dimensional gas chromatography cou- pled with time-of-flight mass spectrometry (GCxGC- TOFMS) has received much research attention. Here we present a ca...
Supported by the National Basic Research Program of China("973"Program)(2010CB731805);theFoundation for Innovative Research Groups of the National Natural Science Foundation of China(60921001);the National Key Technologies R&D Program of China(2011BAH24B02);the Basic Scientific Research Fundation of Central Institutions of Higher Education(ZXH2009D006)~~
In the performance based navigation(PBN),the flight technical error(FTE)and the navigation system error(NSE)are two main parts of total system error(TSE).The implementation of PBN requires pre-flight predictio...
National High-tech Research and Development Program of China(2006AA12A103);National Basic Research Program of China(2010CB731803);Basic Scientific Research Fund of Central Institutions of Higher Education(ZXH2009D006,YWF-10-02-02)
Flight technical error (FTE) combined with navigation system error (NSE) is the main part of total system error (TSE) in performance based navigation (PBN). The implementation of PBN requires pre-flight predic...
Supported by the National Hi-Tech Research and Development Program of China("863"Project)(Grant No.2008AA12A216);the National Science&Technology Supporting Program during the Eleventh Five-Year Plan,the National Natural Sci-ence Foundation of China(Grant No.40523006);the National Basic Research Pro-gram of China("973"Project)(Grant No.2006CB806305);the Specialized Research Fund for State Key Laboratories
Using the data from STAFF/TC-1, this paper for the first time analyzes the electromagnetic interferences of Chinese scientific satellite. The electromagnetic interference of satellite exists mainly below 30 Hz, but ca...
supported by the Chinese Ministry of Science and Technology (973 Project,2006CB701405);China Geological Survey,National Geographic (China Edition)and China Aviation Media Group.
The Nyctosaurus specimen K J1 was reconstructed under the hypothesis that there is a membrane attached to the crest; the so-called headsail crest. The aerodynamic forces and moment acting on the headsail crest were an...