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. 2018 Jul 13;3(3):16. doi: 10.3390/biomimetics3030016

Figure 2.

Figure 2

This graph illustrates a one to one mapping of functional blocks to outputs from control hardware in soft systems. There is a limit to the number of functional blocks in a system if each block has an independent control line. Reference: (A–E) Christianson et al. [43]; Keithly et al. [11]; Li et al. [44]; Mosadegh et al. [38]; Sareh et al. [45]; (F–G) Laschi et al. [8]; Stokes et al. [46]; (H–I) Katzschmann et al. [23]; Wehner et al. [15]; (J–L) Acome et al. [7]; Kellaris et al. [39]; Robertson and Paik [31]; (M–N) Bartlett et al. [47]; Mosadegh et al. [48]; (O) Wei et al. [12]; (P) Nemitz [13]; (Q) Shepherd et al. [3]; (R) Tolley et al. [1]; (S) Kurumaya et al. [41]; (T) Nemiroski et al. [29].