1. Ye C L, Ma S G, Hui L. An omnidirectional mobile robot. Sci China Inf Sci, 2011, 54: 2631–2638
2. Lv W J, Kang Y, Qin J H. Indoor localization for skid-steering mobile robot by fusing encoder, gyroscope, and magnetometer. IEEE Trans Syst Man Cybern Syst, 2017. doi: 10.1109/TSMC.2017.2701353
3. Breuer T, Macedo G R G, Hartanto R, et al. Johnny: an autonomous service robot for domestic environments. J Intel Robot Syst, 2012, 66: 245–272
4. Siegwart R, Nourbakhsh I R, Scaramuzza D. Introduction to Autonomous Mobile Robots. 2nd ed. Cambridge: MIT Press, 2011
5. Li K, Ji H B. Inverse optimal adaptive backstepping control for spacecraft rendezvous on elliptical orbits. Int J Control, 2017, 7: 1–11