Research Article
Designing a Kalman–Bucy State Estimator for a Full Vertical Car Model
Table 5
Effect of weight matrix Qn on process noise (14 states) varies with velocity.
| Qn | Rn | Speed | Zs | Zs hat | Zsd | Zsd hat | Phi | Phi hat | Teta | Teta hat |
| e − 1 | 0.001 | 50 | 0.0082 | 0.0132 | 0.0463 | 0.0985 | 0.0052 | 0.0052 | 0.009 | 0.009 | e − 2 | 0.001 | 50 | 0.0083 | 0.0108 | 0.0453 | 0.0737 | 0.005 | 0.005 | 0.009 | 0.009 | e − 3 | 0.001 | 50 | 0.0084 | 0.0086 | 0.0454 | 0.0486 | 0.0051 | 0.0051 | 0.009 | 0.009 | e − 4 | 0.001 | 50 | 0.0084 | 0.0084 | 0.0454 | 0.0457 | 0.0051 | 0.0051 | 0.009 | 0.009 | e − 5 | 0.001 | 50 | 0.0084 | 0.0084 | 0.0453 | 0.0454 | 0.0051 | 0.0051 | 0.0089 | 0.009 |
| e − 1 | 0.001 | 80 | 0.0074 | 0.0128 | 0.0611 | 0.1106 | 0.0146 | 0.0142 | 0.0061 | 0.0064 | e − 2 | 0.001 | 80 | 0.0074 | 0.0103 | 0.0615 | 0.0886 | 0.0147 | 0.0143 | 0.0061 | 0.0064 | e − 3 | 0.001 | 80 | 0.0073 | 0.0078 | 0.0615 | 0.0659 | 0.0147 | 0.0143 | 0.0061 | 0.0063 | e − 4 | 0.001 | 80 | 0.0074 | 0.0075 | 0.0611 | 0.0621 | 0.0147 | 0.0143 | 0.0061 | 0.0063 | e − 5 | 0.001 | 80 | 0.0074 | 0.0075 | 0.0617 | 0.0624 | 0.0149 | 0.0144 | 0.0062 | 0.0063 |
| e − 1 | 0.001 | 100 | 0.007 | 0.0125 | 0.0604 | 0.1081 | 0.019 | 0.0187 | 0.0044 | 0.0045 | e − 2 | 0.001 | 100 | 0.007 | 0.0099 | 0.0593 | 0.086 | 0.0188 | 0.0185 | 0.0044 | 0.0045 | e − 3 | 0.001 | 100 | 0.007 | 0.0075 | 0.0599 | 0.0638 | 0.0189 | 0.0186 | 0.0044 | 0.0045 | e − 4 | 0.001 | 100 | 0.007 | 0.0071 | 0.0595 | 0.0603 | 0.0189 | 0.0187 | 0.0044 | 0.0044 | e − 5 | 0.001 | 100 | 0.007 | 0.0071 | 0.0598 | 0.0604 | 0.0189 | 0.0186 | 0.0044 | 0.0044 |
| e − 1 | 0.001 | 150 | 0.0036 | 0.0096 | 0.0402 | 0.0854 | 0.0107 | 0.0108 | 0.0046 | 0.0046 | e − 2 | 0.001 | 150 | 0.0036 | 0.0066 | 0.04 | 0.0629 | 0.0103 | 0.0104 | 0.0044 | 0.0044 | e − 3 | 0.001 | 150 | 0.0036 | 0.0038 | 0.0404 | 0.0419 | 0.0102 | 0.0104 | 0.0045 | 0.0044 | e − 4 | 0.001 | 150 | 0.0036 | 0.0037 | 0.0404 | 0.0411 | 0.0102 | 0.0104 | 0.0045 | 0.0044 | e − 5 | 0.001 | 150 | 0.0036 | 0.0037 | 0.0404 | 0.0412 | 0.0103 | 0.0104 | 0.0044 | 0.0044 |
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