This short paper describes an example of the use of block diagrams as adjuncts to conventional bond graph models of nonlinear dynamic systems. Everything the author does with the block diagrams could be done (just as easily) with nonlinear constitutive laws. Those accustomed to using block diagrams might find this idea more intuitive, but it permits the introduction of modeling errors where energy isn’t conserved (e.g., the “FNC” block in Figure 3]).

Section 5 consists of only two very short paragraphs that attempt to introduce a new convention for graph labels. The author violates his own convention in the paper. There is no need to meddle with established convention. Overall, the paper is not easy to read.