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mcdp { # We need to fly for this duration provides endurance [s] # ...while carrying this extra payload provides extra_payload [kg] # ...and providing this extra power provides extra_power [W] # Sub-design problem: choose the battery battery = instance mcdp { # A battery provides capacity provides capacity [J] # and requires some mass to be transported requires mass [kg] # requires cost [$] specific_energy_Li_Ion = 500 Wh / kg required mass ≥ provided capacity / specific_energy_Li_Ion } # Sub-design problem: actuation actuation = instance mcdp { # actuators need to provide this lift provides lift [N] # and will require power requires power [W] # simple model: quadratic c = 10.0 W/N² required power ≥ (provided lift)^2 · c } # Co-design constraint: battery must be large enough power = power required by actuation + provided extra_power energy = power · provided endurance capacity provided by battery ≥ energy # Co-design constraint: actuators must be powerful enough gravity = 9.81 m/s² weight = (mass required by battery + provided extra_payload) · gravity lift provided by actuation ≥ weight # suppose we want to optimize for size of the battery requires mass for battery }		Diagramremove Other informationremove zoom-to-fit re-layout export image Regular Expanded Exploded Pre-processed Processed no icons only simple icons show icons show units hide units Internal representation details Internal representation Internal representation (verbose) YAML representation Compiled DP Compiled DP - YAML representation Poset F Poset R Poset I (implementations) Space B (blueprint-relevant implementations) Map I → B Map solve_f: F → UR Map solve_r: R → LF Map provides: I → F Map requires: I → R Map feasibility: F x R' → Bool Map availability: I → Bool Map solve_f_b: F → UR[B] Map solve_r_b: R → LF[B] Map solve_f_i: F → UR[I] Map solve_r_i: R → LF[I] Figure: ndp_repr_long Figure: ndp_gojs_wrap_expand Figure: ndp_gojs_wrap_expand_never Figure: ndp_gojs_nowrap_expand Figure: ndp_gojs_wrap_noexpand Figure: ndp_gojs_wrap_noexpand_units Figure: ndp_gojs_wrap_noexpand_never Figure: ndp_gojs_nowrap_noexpand Figure: ndp_gojs_nowrap_noexpand_units Figure: ndp_gojs_interface Figure: dp_graph_flow_LR Figure: dp_graph_flow_TB Figure: dp_graph_tree_LR Figure: dp_graph_tree_TB Figure: dp_graph_tree_compact_LR Figure: dp_graph_tree_compact_TB Figure: dp_repr_long (updating)

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