[1] Reynolds CW, Flocks, herds and schools: A distributed behavioral model. 14th Annual Conference on Computer Graphics and Interactive Techniques; New York, USA, 1987.##
[2] Couzin ID, Krause J, James R, Ruxton GD, Franks NR. Collective memory and spatial sorting in animal groups. Journal of Theoretical Biology. 2002; 218(1): 1-11.##
[3] Vicsek T, Czirók A, Ben-Jacob E, Cohen I, Shochet O. Novel type of phase transition in a system of self-driven particles. Physical Review Letters. 1995; 75(6): 1226.##
[4] Olfati-Saber R. Flocking for multi-agent dynamic systems: Algorithms and theory. IEEE Transactions on Automatic Control. 2006; 51(3): 401-20.##
[5] Su H, Wang X, Lin Z. Flocking of multi-agents with a virtual leader. IEEE Transactions on Automatic Control. 2009; 54(2): 293-307.##
[6] Gu D, Wang Z. Leader–follower flocking: algorithms and experiments. IEEE Transactions on Control Systems Technology. 2009; 17(5): 1211-9.##
[7] Su H, Wang X, Yang W. Flocking in multi‐agent systems with multiple virtual leaders. Asian Journal of Control. 2008; 10(2): 238-45.##
[8] Wu S, Pu Z, Yi J, Sun J, Xiong T, Qiu T. Adaptive Flocking of multi-agent systems with uncertain nonlinear dynamics and unknown disturbances using neural networks. 16th IEEE International Conference on Automation Science and Engineering (CASE); Hong Kong, China, 2020.##
[9] Yang Z, Zhang Q, Jiang Z, Chen Z. Flocking of multi-agents with time delay. International Journal of Systems Science. 2012; 43(11): 2125-34.##
[10] Zhu P, Dai W, Yao W, Ma J, Zeng Z, Lu H. Multi-robot flocking control based on deep reinforcement learning. IEEE Access. 2020; 8: 150397-150406.##
[11] Beaver LE, Kroninger C, Malikopoulos AA. An optimal control approach to flocking. American Control Conference; 2020, Denver, USA.##
[12] Gu D, Hu H. Using fuzzy logic to design separation function in flocking algorithms. IEEE Transactions on Fuzzy Systems. 2008; 16(4): 826-38.##
[13] Sahu BK, Subudhi B. Flocking control of multiple AUVs based on fuzzy potential functions. IEEE Transactions on Fuzzy Systems. 2017; 26(5): 2539-2551.##
[14] Iovino S, Vetrella AR, Fasano G, Accardo D, Savvaris A. Implementation of a distributed flocking algorithm with obstacle avoidance capability for UAV swarming. AIAA Information Systems-AIAA Infotech. 2017, Grapevine, Texas, USA.##
[15] Liu W, Gao Z. A distributed flocking control strategy for UAV groups. Computer Communications. 2020; 153: 95-101.##
[16] Ning Z, Song L, Huang D, Zhang X. Lattice flocking of multi-quadrotor system: an algorithm based on artificial potential field. Aerospace Systems. 2018; 1(1): 13-22.##
[17] Yan C, Xiang X, Wang C. Fixed-Wing UAVs flocking in continuous spaces: A deep reinforcement learning approach. Robotics and Autonomous Systems. 2020; 131: 103594.##
[18] Abichandani P, Speck C, Bucci D, Mcintyre W, Lobo D. Implementation of Decentralized Reinforcement Learning-Based Multi-Quadrotor Flocking. IEEE Access. 2021; 9: 132491-507.##
[19] Zijian H, Xiaoguang G, Kaifang W, Yiwei Z, Qianglong W. Relevant experience learning: A deep reinforcement learning method for UAV autonomous motion planning in complex unknown environments. Chinese Journal of Aeronautics. 2021; 34(12): 187-204.##
[20] Zhang X, Yuan Y, Zhang F. An improved flocking model for UAVs in constrained environments. 8th International Conference on Big Data and Information Analytics; 2022, Guiyang, China.##
[21] Brandstätter A, Smolka SA, Stoller SD, Tiwari A, Grosu R. Multi-Agent Spatial Predictive Control with Application to Drone Flocking (Extended Version). arXiv preprint arXiv:220316960. 2022.##
[22] Zhang P, Chen G, Li Y, Dong W. Agile formation control of drone flocking enhanced with active vision-based relative localization. IEEE Robotics and Automation Letters. 2022;7(3):6359-66.##
[23] Wang L-X. A course in fuzzy systems. 1999.##
[24] Zhang X, Li X, Wang K, Lu Y, A survey of modelling and identification of quadrotor robot. Abstract and Applied Analysis; volume 2014, Article ID 320526.##
[25] Lu Y. yrlu/quadrotor: Quadrotor control, path planning and trajectory optimization. GitHub. 2017.##
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