@article{paperid:1069936,
author = {Pariz, Naser and Karimpour, Ali and Seyed Hassan Hosseinnia},
title = {Robust position-based impedance control of lightweight single-link flexible robots interacting with the unknown environment via a fractional-order sliding mode controller},
journal = {Robotica},
year = {2018},
volume = {36},
number = {12},
month = {December},
issn = {0263-5747},
pages = {1920--1942},
			numpages = {22},
keywords = {Robust impedance control; Fractional-order sliding mode control;
Disturbance observer; Single-link 
exible robots; Unknown environment},
}