[1] Lawden, D. F., “Optimal trajectories for space navigation,” butterworths, london, 1963, pp. 77–86." Near-Earth Objects Survey and Deflection Analysis of Alternatives," NASA, Mar. 2007.
[2] Inalhan, G., Tillerson, M. and How, J. P., “Relative dynamics and controlof spacecraft formations in eccentric orbits,” Journal of Guidance,Control, and Dynamics, Vol. 25, No. 1, 2002, pp. 48–59.
[3] Spencer, D., “The effects of eccentricity on the evolution of an orbiting debris cloud,” American Astronautical Society, AAS Paper 87-473, Aug. 1987. Formation Flying Design and Evolution,” Journal of spacecraft and rockets, 2001
[4] Vadali, S.S., Sirinivas, R. and Alfriend, K. T., “Formation flying: accomodating nonlinearity and eccentricity perturbation”, Journal of Guidance, Control and Dynamics, Vol. 26, No. 2, 2003, p. 224.
[5] Kang, J., Meng, W., Abraham, A. and Liu, H., “An adaptive PID neural network for complex nonlinear system control,” Neurocomputing, Vol. 135, July 2014, pp. 79-85, 2014.
[6] Prakash, J. and Srinivasan, K., “Design of nonlinear PID controller and nonlinear model predictive controller for a continuous stirred tank reactor”, ISA Transactions, Vol. 48, No. 3, 2009, pp. 273-282.
[7] Jin, C. Y., Ryu, K. H., Sung, S. W., Lee, J. and Lee, I. B., “PID auto-tuning using new model reduction method and explicit pid tuning rule for a fractional order plus time delay model”, Journal of Process Control, Vol. 24, No. 1, pp. 113-128.
[8] Bardini. M. and Nagar, M., “Interval type-2 fuzzy PID controller for uncertain nonlinear inverted pendulum system,” ISA Transactions, Vol. 53, No. 3, 2014, pp.732-743.
[9] Zhao, Z.Y., Tomizuka, M. and Isaka, S., “Fuzzy Gain Scheduling of PID controllers, IEEE Transactions on Systems, Man a,d Cybernetics, Vol. 23, No. 5, September/October 1993, pp. 1392-1398.
[10] Ulybyshev, Y., “Long-Term Formation Keeping of Satellite Constellation Using Linear-Quadratic Controller”, J. Guid., Contr. & Dyn., Vol. 21, No. 1, 1998, pp. 109-115.
[11] Marcio, S., Quiz, D., Kapila, V. and Yan, Y., “Adaptive Nonlinear Control of Multiple Spacecraft Formation Flying”, Journal of Guidance,Control and Dynamics, Vol 23, No 3, May-June 2000, p. 385.
[12] Shin, j.H. and Kim, H.J., “Nonlinear Model Predictive Formation Flying”, IEEE, Transactions on Systems, Man and Cybernetics, Vol. 39, No. 5, September 2009, pp 1116-1125.
[13] Meng Qingsong, Wang Pengji, Yang Di, “Low-Thrust Fuzzy Formation Keeping for Multiple Spacecraft Flying”, Acta Astronautica, Vol. 55, No. 11, 2004, pp. 895-901
[14] Wang Pengji, Yang Di, “PD-Fuzzy Formation Control for Scpacecraft Formation Flying in Elliptical Orbits”, Aerospace Science and Technology, Vol. 7, No. 7, 2003, pp. 561-566
[15] Mazanek, D.D., Reeves, D.M. and Hopkins, J.B., “Enhanced Gravirt Tractor Technique for Planetary Defence,” 4th IAA Planetary Defense Conference – PDC 2015 13-17, April 2015, Frascati, Roma, Italy
[16] Cheng, A.F., Michel, D. and Jutzi, .M., “Asteroid Impact & Deflection Assessment Mission: Kinetic Impactor,” Planetary and Space Science, Vol. 121, 2016, pp. 27-35.
[17] Ketema, Y., “Asteroid deflection using a spacecraft in restricted keplerian motion,” Acta Astronautica, Vol. 136, July 2017, pp. 64-79
[18] Tan, M., McInnes, C.R., Ceriotti, M., “Low-energy near-Earth asteroid capture using momentum exchange strategies.” Journal of Guidance, Control, and Dynamics, Vol. 41, No.3, 2017, pp. 632-643.
[19] Decicco, A. J., Hartzel, C. M., Adams, R. B. and Polzin, K.A., “The feasibility of deflecting asteroid 2017 PDC using neutral beam propulsion,” Acta Astronautica, Vol. 156, March 2019, pp. 363-370
[20] Lu, E. T. and Love, S.G., “Gravitational tractor for towing asteroids,” Nature, Vol. 438, Nov. 2005, pp. 177–178.
[21] Wie, B., “Dynamics and control of gravity tractor spacecraftfor asteroid deflection”, Journal of Guidance, Control, and Dynamics, Vol. 31, No. 5, September October 2008, pp. 1413-1423.
[22] Imani, A. and Bahrami, M., “fuzzy sliding mode for spacecraft formation control in eccentric orbits,” Journal of Space Science and Technology (JSST), Vol. 7 , No. 1, Spring 2014, pp. 49-56
[23] Navvabi, M., Barati, M. and Bonyan, H., "Algebraic orbit elements difference description of dynamics models for satellite formation flying," Recent Advances in Space Technologies (RAST), 6th International Conference on, IEEE, 2013, pp. 277-280.
[24] Navvabi, M. and Barati, M., “A Comparative Study of Dynamics Models and a Control Strategy for Satellite Formation Flying,” Journal of Advances in the Astronautical Sciences, 2012, Vol. 145, pp. 549-561
[25] Schaub, H. and Junkins. J. L., Analytical Mechanics of Aerospace Systems, AIAA publishing, 2002
[26] Navvabi, M. and Hamrah., R., “Modeling of space objects propagation, prediction of closest approaches among satellites, and assessment of maximum collision probability,” Journal of space science and technology (JSST) , Vol. 6, No 1, Spring 2013, pp. 57-67.
[27] Navvabi, M. and Barati, M., “ Dynamics Modeling of Spacecraft Formation Flying and Evaluating the Models Accuracy under the Effects of Relative Distance, Eccentricity and Earth Gravitational Perturbation," Journal of space science and technology (JSST), Vol.5, No.1, , 2012, pp. 51-59.
[29] Sabol, C., Burns, R., and McLaughlin, C. A., “Satellite Formation Flying Design and Evolution”, Proc. AAS/AIAA space Flight Mechanics Conference, Feb 1999.
[30] Han, J., "From PID to Active Disturbance Rejection Control," IEEE Transactions on Industrial Electronics, Vol. 56, No.3, March 2009, pp. 900-906.