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| 1 | Cooperative guidance strategy for multiple hypersonic gliding vehicles system显示文摘Cooperative guidance strategy for multiple hypersonic gliding vehicles system with flight constraints and cooperative constraints is investigated.This paper mainly cares about the coordination of the entry glide flight phase and driving-down phase.Different from the existing results,both the attack time and the attack angle constraints are considered simultaneously.Firstly, for the entry glide flight phase, a two-stage method is proposed to achieve the rapid cooperative trajectories planning, where the control signal corridors are designed based on the quasi-equilibrium gliding conditions.In the first stage, the bank angle curve is optimized to achieve the attack angle coordination.In the second stage, the angle of attack curve is optimized to achieve the attack time coordination.The optimized parameters can be obtained by the secant method.Secondly, for the driving-down phase, the cooperative terminal guidance law is designed where the terminal attack time and attack angle are considered.The guidance law is then transformed into the bank angle and angle of attack commands.The cooperative guidance strategy is summarized as an algorithm.Finally, a numerical simulation example with three hypersonic gliding vehicles is provided for revealing the effectiveness of the acquired strategy and algorithm. | Jianglong YU Xiwang DONG Qingdong LI Zhang REN Jinhu LV | 2020 | Chinese Journal of Aeronautics2020，33，3： | 14 |
| 2 | Three-dimensional cooperative guidance strategy and guidance law for intercepting highly maneuvering target显示文摘Cooperative interception of the target with strong maneuverability by multiple missiles with weak maneuverability in the three-dimensional nonlinear model is studied.Firstly,the three-dimensional nonlinear model of cooperative guidance is established.The three-dimensional reachable region is represented composed of lateral acceleration and longitudinal acceleration in the two-dimensional coordinate system.Secondly,the problem of the multiple missile’s reachable coverage area is transformed into the problem of cooperative coverage.A cooperative coverage strategy is proposed and an algorithm for quickly calculating the number of required missiles is designed.Then,the guidance law based on the cooperative coverage strategy is proposed,and it is proved that cooperative interception of the target can be achieved under the acceleration limit.Moreover,the relations among the number of missiles,the initial array position of terminal guidance and the coverage area of the target’s large maneuver are analyzed.The dynamic adjustment strategy of guidance parameters is proposed to reduce the guidance error.Finally,simulation results show that multiple missiles with low maneuverability can achieve effective interception of target with strong maneuverability through the proposed cooperative strategy and cooperative guidance method. | Ziyan CHEN Jianglong YU Xiwang DONG Zhang REN | 2021 | Chinese Journal of Aeronautics2021，34，5： | 7 |
| 3 | A study of chemical structure changes of Chinese lignite during fluidized-bed drying in nitrogen and air显示文摘 | Arash Tahmasebi Jianglong Yu Yanna Han Xianchun Li | 2012 | Fuel Processing Technology2012，，： | 4 |
| 4 | Experimental study on microwave drying of Chinese and Indonesian low-rank coals显示文摘 | Arash Tahmasebi Jianglong Yu Xianchun Li Chatphol Meesri | 2011 | Fuel Processing Technology2011，，10： | 3 |
| 5 | A review on water in low rank coals: The existence, interaction with coal structure and effects on coal utilization显示文摘 | Jianglong Yu Arash Tahmasebi Yanna Han Fengkui Yin Xianchun Li | 2013 | Fuel Processing Technology2013，，： | 2 |
| 6 | Experimental study on microwave drying of Chinese and Indonesian low-rank coals显示文摘 | Tahmasebi A Yu Jianglong Li Xianchun 等 | 2011 | Fuel Processing Technology2011，92，： | 1 |
| 7 | Formation of the Structure of Chars During Devolatilization o{ Pulverized Coal and its Thermoproperties : A Review显示文摘 | Yu Jianglong Lucas J A Wall T F | 2007 | Progress in Energy and Combustion Science2007，33，： | 1 |
| 8 | A review on water in low rank coals: The existence, interaction with coal structure and effects on coal utilization 显示文摘 | Jianglong Yu Arash Tahmasebi Yanna Hart | 2013 | Fuel Processing Technology2013，106，： | 1 |
| 9 | A review on water in low rank coals:The existence,interaction with coal structure and effects on coal utilization显示文摘 | Jianglong Yu Arash Tahmasebi Yanna Han | 2013 | Fuel Processing Technology2013，，106： | 1 |
| 10 | Reverse time migration based on normalized wavefield decomposition imaging condition显示文摘With the increasing complexity of prospecting objectives,reverse time migration( RTM) has attracted more and more attention due to its outstanding imaging quality. RTM is based on two-way wave equation,so it can avoid the limits of angle in traditional one-way wave equation migration,image reverse branch,prism waves and multi-reflected wave precisely and obtain accurate dynamic information. However,the huge demands for storage and computation as well as low frequency noises restrict its wide application. The normalized cross-correlation imaging conditions based on wave field decomposition are derived from traditional cross-correlation imaging condition,and it can eliminate the low-frequency noises effectively and improve the imaging resolution. The practical procedure includes separating source and receiver wave field into one-way components respectively,and conducting cross-correlation imaging condition to the post-separated wave field. In this way,the resolution and precision of the imaging result will be promoted greatly. | YU Jianglong HAN Liguo ZHOU Yan ZHANG Yongsheng | 2016 | Global Geology2016，19，2： | 1 |
| 11 | Formation of the structure of chars during devolatil- ization of pulverized coal and its thermoproperties: a review显示文摘 | YU Jianglong LUCAS John A WALL Terry F | 2007 | Progress in Energy and Combustion Sci- ence2007，33，2： | 1 |
| 12 | Formation of the Structure of Chars During Devolatilization of Pulverized Coal and its Thermoproperties:a Review显示文摘 | Yu Jianglong Lucas J A Wall T F | 2007 | Progress in Energy and Combustion Science2007，33，： | 1 |
| 13 | An overview on oxyfuel coal combustion—State of the art research and technology development显示文摘 | Terry Wall Yinghui Liu Chris Spero Liza Elliott Sameer Khare Renu Rathnam Farida Zeenathal Behdad Moghtaderi Bart Buhre Changdong Sheng Raj Gupta Toshihiko Yamada Keiji Makino Jianglong Yu | 2009 | Chemical Engineering Research and Design2009，，8： | 1 |
| 14 | A review on water in low rank coals:The existence,interaction with coal structure and effects on coal utilization显示文摘 | Yu Jianglong | 2013 | Fuel Processing Technology2013，106，： | 1 |
| 15 | Sulfur removal property of activated-char- supported Fe-Mo sorbents for integrated cleaning of hot coal gases显示文摘 | Yu Jianglong | 2013 | Fuel2013，108，： | 1 |
| 16 | A kinetic study of microwave and fluidized-bed drying of a Chinese lignite显示文摘 | Arash Tahmasebi Jianglong Yu Yanna Han Huan Zhao Sankar Bhattacharya | 2013 | Chemical Engineering Research and Design2013，，： | 1 |
| 17 | A review on water in low rank coals:the existence, interaction with coal structure and effects on coal utilization 显示文摘 | Yu Jianglong Tahmasebi A Han Yanna | 2013 | Fuel Processing Technology2013，106，： | 1 |
| 18 | Experimental Study on Microwave Drying of Chinese and Indonesian Low- rank Coals显示文摘 | Tahmasebi A Yu Jianglong Li Xianchun | 2011 | Fuel Processing Technology2011，，92： | 1 |
| 19 | Effect of Pressure on Char Formation during Pyrolysis of Pulverized Coal 显示文摘 | Jianglong Yu David Harris John Lucas Daniel Roberts Hongwei Wu Terry Wall | 2004 | Energy & Fuels2004，18，： | 1 |
| 20 | Coal and Carbon Nanotube Production 显示文摘 | John Lucus Jianglong Yu Vladimir | 2003 | Fuel2003，82，17： | 1 |
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