Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Satoshi Honda and S. Kudo and M. Ikeda,Contact force signal analysis of current collecting with bispectrum and wavelet,Proceedings of the 41st SICE Annual Conference. SICE 2002.,,Soc. Instrument & Control Eng. (SICE),2003-12-22,4,,2478-2482,https://cir.nii.ac.jp/crid/1872272493000907904,https://doi.org/10.1109/sice.2002.1195803