Fig. 5: Actuation control unit and pressure tuning of Roliner.
From: Dynamically adaptive soft metamaterial for wearable human–machine interfaces
A The rendered concept figures of the control unit along with its dimensions and cloud connectivity (top). The rendered technical figures of the control unit from front and top views (middle). The real final prototype and operational specifications. The scale bar shows 10 mm. B Experimental setup used in all experiments shown in (C). C The pressure tuning of the electro-pneumatic control unit. The upper panel (the first row of plots) shows the mean pressure (n = 3) reached with respect to the inflation time in both continuous (left) and discrete actuation (right). Data are presented as mean values ± SD. Actuation profiles for the inlet and exhaust valves are shown along the pressure profiles during deflation in the second row. Data are presented as mean values. The shaded regions represent the standard deviation (± σ). The third row displays the mean pressure profiles (n = 3) of the millifluidic channels during continuous and discrete pulse actuation (up to 5 cycles) over 90 s. Data are presented as mean values. The shaded regions represent the standard deviation (± σ).
