?url_ver=Z39.88-2004&rft_id=10.3390%2Fs20133681&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.aulast=Aole&rft.au=Aole%2C+S.&rft.date=2020&rft.issn=14248220&rft.title=Sensors+(Switzerland)&rft.issue=13&rft.atitle=Improved+active+disturbance+rejection+control+for+trajectory+tracking+control+of+lower+limb+robotic+rehabilitation+exoskeleton&rft.pages=1-53&rft.volume=20&rft.genre=article