By Dr. Jean U. Thoma
Advent to Bond Graphs and their functions discusses the elemental recommendations of bond graphs, besides its program in representing uncomplicated and intricate engineering platforms from various engineering disciplines. The textual content first information a few of the forms of illustrations, resembling diagrams, types, and graphs, after which proceeds to protecting basics of bond graphs. The ebook then covers the appliance within the context of mechanical engineering and layout. the following bankruptcy tackles the fluid mechanical purposes. bankruptcy five talks approximately electronics and electromechanical strength conversion, whereas bankruptcy 6 bargains with thermal and thermodynamics method. subsequent, the choice covers the simulation and digital information processing by using ENPORT software. The publication can be of serious use to researchers and practitioners of varied engineering disciplines.
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Additional info for Introduction to Bond Graphs and their Applications
The bonds of Fig. 4 (1) With p-junctions there are: — one input and several output efforts; — several inputflowsand one output flow (2) s-Junctions contain: — several input efforts and one output effort; — one input flow and several output flows. 2). 4. Transformation and Simplification of Bond Graphs At this point several transformations of bond graphs will be given which allow substantial simplification of the bond graphs for some mechanical and hydraulic systems. fi fi fi Fig. 8. Simplification of junctions.
9. Characteristics of a mechanical drive. 2 characteristics can be represented by a controlled effort source with R-elements in series as shown on Fig. 10 (left) as a bond graph. Fig. 10. Representation of a characteristic by an effort source with a series resistor (left), and by a flow source with a parallel resistor (right). e. to the intersection of the characteristics with the y-axis. The series resistance models the reduction of the effort with the flow drawn from the system and corresponds to the inclination of the characteristic.
Ei : i/(1 + i) ■ TF - e2 e2 Fig. 13. Simplification by a transformer with different transforming ratio. Finally, according to Fig. 13 a transformer with the ratio i together with a direct bond between a p- and s-junction can be replaced by a transformer alone with the transforming ratio i/(l+i). 3). 5. 5 contains several multiports or fields which are extensions of the simple R-, C-, and I-elements: (1) The resistance field or R-field represents an arbitrary, linear, or non-linear relation between flows and efforts in each bond.