From: Principle and Control of Active Engine Mount Based on Magnetostrictive Actuator
Parameter | Value |
---|---|
1/4 engine mass me (kg) | 50 |
1/4 sprung mass mb (kg) | 300 |
Rubber spring stiffness km (kN/m) | 180 |
Rubber spring damping bm (N·s/m) | 50 |
Suspension stiffness ks (kN/m) | 16 |
Suspension damping bs (N·s/m) | 1000 |
Sampling interval T (s) | 1×10−3 |
Target weight matrix L | [10000 0; 0 1] |
Preprocessing weight matrix S | [1 1 −1 −1] |
Mean of measurement noise \({{\varvec{r}}}_{\mathbf{k}}\) | [0; 0] |
Variance matrix of measure noise \({{\varvec{R}}}_{\mathbf{k}}\) | [2×10−15 0; 0 5×10−6] |
Fixed convergence factor \({\varvec{\lambda}}\) | 7×10−4 |
Control factor \({\varvec{\gamma}}\) | 1×10−4 |
Forgetting factor \({\varvec{b}}\) | 0.99 |
LMS filter order N | 32 |