Add summation symbols and input polarities to transfer-function diagram

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2026-04-04 18:27:45 -05:00
parent 6c40cdc275
commit 7e22868fae

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@@ -83,22 +83,22 @@ This version shows the same coupled dynamics using gain blocks and integrator tr
```mermaid ```mermaid
flowchart LR flowchart LR
Z1[State z₁] --> G11[Gain -k₁/m₁] Z1[State z₁] --> G11[Gain -k₁/m₁]
G11 --> S1[Sum z̈₁] G11 -->|"-"| S1[Σ]
Z2[State z₂] --> G12[Gain +k₁/m₁] Z2[State z₂] --> G12[Gain +k₁/m₁]
G12 --> S1 G12 -->|"+"| S1
S1 --> I11[Transfer block 1/s] S1 --> I11[Transfer block 1/s]
I11 --> Z1D[State ż₁] I11 --> Z1D[State ż₁]
Z1D --> I12[Transfer block 1/s] Z1D --> I12[Transfer block 1/s]
I12 --> Z1 I12 --> Z1
U[Input force u] --> G2U[Gain 1/m₂] U[Input force u] --> G2U[Gain 1/m₂]
G2U --> S2[Sum z̈₂] G2U -->|"+"| S2[Σ]
Z1 --> G21[Gain k₁/m₂] Z1 --> G21[Gain k₁/m₂]
G21 --> S2 G21 -->|"+"| S2
Z2 --> G22["Gain -(k₁ + k₂)/m₂"] Z2 --> G22["Gain -(k₁ + k₂)/m₂"]
G22 --> S2 G22 -->|"-"| S2
Z2D[State ż₂] --> G23[Gain -b/m₂] Z2D[State ż₂] --> G23[Gain -b/m₂]
G23 --> S2 G23 -->|"-"| S2
S2 --> I21[Transfer block 1/s] S2 --> I21[Transfer block 1/s]
I21 --> Z2D I21 --> Z2D
Z2D --> I22[Transfer block 1/s] Z2D --> I22[Transfer block 1/s]