1. Yang, D.X., Huang, Y.Z., Li, J.G., Li, L., Li, B.D.: Research status review of robots applied in substations for equipment inspection. Shandong. Electr. Power. 42(1), 30–31 (2015)
2. Zhou, L.H., Zhang, Y.S., Sun, Y., Liang, T., Lu, S.Y.: Development and application of equipment inspection robot for smart substations. Autom. Electr. Power. Sys. 35(19), 85–86 (2011)
3. Tan, Z.W.: Design of Indoor Substation Inspection Robot System based on VLC, pp. 1–4. North China Electric Power University, Beijing (2016)
4. Wang, K.: Research and Implementation on the Key Technologies and System of Substation Inspection Robot, pp. 3–5. University of Electronic Science and Technology, Sichuan Sheng (2015)
5. Ye, W.Z.: Optimality of the median filtering operator, circuits, systems, and signal processing. CSSP. 30(6), 1329–1340 (2011)