Sun Lijun
9 Papers
6 Citations
Sun Lijun is an academic researcher. The author has contributed to research in topics: Propelling nozzle & Fuselage. The author has an hindex of 1, co-authored 9 publications.
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Papers
Patent
High thrust-weight ratio small turbojet engine
Wang Lei,Chen Tingfei,Sun Lijun,Wang Mengchun,Song Zhichao +4 more
- 25 Jan 2019
TL;DR: In this article, the authors proposed a high thrust-weight ratio small turbojet engine, which solved the technical problem of low thrustweight ratio of the existing turbojet engines by using an air inlet, a compressor, a combustion chamber, a turbine, and an exhaust nozzle.
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Patent
Radiation power controllable infrared intensifier
Wang Lei,Chen Tingfei,Sun Lijun +2 more
- 22 Feb 2019
TL;DR: In this paper, the authors proposed a radiation power controllable infrared intensifier for unmanned aerial vehicles (UAVs), which is used for simulating the characteristics of an infrared point source of the aerojet engine and is suitable for large flight speed domains and height domains.
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Patent
Flight control and navigation all-in-one machine
Chen Tingfei,Li Chaohui,Sun Lijun,Wang Lei +3 more
- 19 Mar 2019
TL;DR: In this article, the authors proposed a flight control and navigation all-in-one machine, which consists of a navigation plate, an MEMS inertial measurement unit, a satellite positioning receiver, an RTK navigation system and a mainboard.
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Patent
Invisibility high-maneuvering target drone and control method of invisibility high-maneuvering target drone
Li Chaohui,Chen Tingfei,Wang Lei,Sun Lijun,Chen Guofeng,Li Zhao +5 more
- 19 Mar 2019
Abstract: The invention provides an invisibility high-maneuvering target drone and a control method of the invisibility high-maneuvering target drone, and relates to the technical field of unmanned aerial vehicles. The technical problem that in the prior art, the target drone invisibility characteristic is poor, and the comprehensive matching degree of target drone invisibility design and flying performanceis poor is solved. The invisibility high-maneuvering target drone comprises an aircraft body, a wing, a vertical tail, a horizontal tail and a clam type air inlet way arranged below a belly of the aircraft body, the wing is arranged in the middle of the aircraft body and is arranged in lower single-wing layout, and the vertical tail and the horizontal tail are arranged on the tail of the aircraftbody. According to the control method of the invisibility high-maneuvering target drone, the high-accuracy high-confidence-coefficient dynamical model is affirmed, through overload and posture combined control, large-overload stable control flying is ensured, and a control system uses overload, speed, the attack angle and the side sliding angle. The problem that an existing target drone is poor in invisibility characteristic is solved, and the problem that the matching degree of target drone invisibility design and flying performance is poor is solved.
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