“…Robot-assisted rehabilitation has become increasingly popular in recent decades, and there are more and more therapy concepts that attributed to various novel rehabilitation robots (Shields et al, 1997; DiCicco et al, 2004; Wege and Hommel, 2005; Hasegawa et al, 2008; Chiri et al, 2009; Tadano et al, 2010; Brokaw et al, 2011; In et al, 2011; Kadowaki et al, 2011; Ueki et al, 2012; Villafañe et al, 2017; Cerasa et al, 2018; Jakob et al, 2018; Mazzoleni et al, 2018; Pila et al, 2018). In robot-assisted rehabilitation, patients can receive standardized and repetitive training controlled by robot actuators (Takahashi et al, 2005; Chang and Kim, 2013).…”