PLC-Based Bridge Maintenance Vehicle: Recent Research (2015-2019)

'Design of a PLC-based bridge maintenance vehicle,' by Y. Liu, H. Zhang, and H. Song (2019)
'Development of PLC-based bridge inspection vehicle,' by M. A. Akhtar, M. H. K. Chowdhury, and M. S. Hossain (2018)
'Design and implementation of a PLC-based bridge inspection robot,' by S. S. Lee, J. H. Park, and H. S. Kim (2017)
'PLC-based automated bridge inspection vehicle,' by S. K. Nayak and S. K. Patel (2016)
'Development of a PLC-based mobile bridge inspection system,' by M. A. Akhtar, M. H. K. Chowdhury, and M. S. Hossain (2015)