The only unspecified variable in (2) i4s o∆f i1L8 (cf. Figure 2), which can be solved by applying the definition of the time-averaged inductor current (i.e., iL ) at t = (k + d)Ts: iL〈iL=〉 =mm11dd((dd2+2+ dd11))TTs s ((33)) wwhheerreed1d1cacnanbebesoslo...