Research Article
Designing a Kalman–Bucy State Estimator for a Full Vertical Car Model
Table 6
Effect of weight matrix for measuring noise
Rn (4 signals) varies with speed with
Qn =
e − 5.
| Qn | Rn | Speed | Zs | Zs hat | Zsd | Zsd hat | Phi | Phi hat | Teta | Teta hat |
| e − 5 | 1 | 50 | 0.0084 | 0.0084 | 0.0453 | 0.0455 | 0.0051 | 0.0051 | 0.0091 | 0.0091 | e − 5 | 0.1 | 50 | 0.0084 | 0.0084 | 0.0454 | 0.0455 | 0.0051 | 0.0051 | 0.0091 | 0.0092 | e − 5 | 0.01 | 50 | 0.0084 | 0.0084 | 0.0453 | 0.0455 | 0.0051 | 0.0051 | 0.0091 | 0.0091 | e − 5 | 0.001 | 50 | 0.0084 | 0.0084 | 0.0453 | 0.0454 | 0.0051 | 0.0051 | 0.0089 | 0.009 | e − 5 | 0.0001 | 50 | 0.0084 | 0.0084 | 0.0453 | 0.0457 | 0.0051 | 0.0051 | 0.0091 | 0.0091 |
| e − 5 | 1 | 80 | 0.0074 | 0.0075 | 0.061 | 0.0616 | 0.0149 | 0.0144 | 0.0062 | 0.0063 | e − 5 | 0.1 | 80 | 0.0074 | 0.0074 | 0.0616 | 0.0623 | 0.0147 | 0.0143 | 0.0061 | 0.0063 | e − 5 | 0.01 | 80 | 0.0074 | 0.0075 | 0.0613 | 0.062 | 0.0147 | 0.0142 | 0.0062 | 0.0063 | e − 5 | 0.001 | 80 | 0.0074 | 0.0075 | 0.0617 | 0.0624 | 0.0149 | 0.0144 | 0.0062 | 0.0063 | e − 5 | 0.0001 | 80 | 0.0073 | 0.0075 | 0.062 | 0.0631 | 0.0148 | 0.0143 | 0.0062 | 0.0063 |
| e − 5 | 1 | 100 | 0.007 | 0.007 | 0.0598 | 0.0603 | 0.0189 | 0.0186 | 0.0044 | 0.0044 | e − 5 | 0.1 | 100 | 0.007 | 0.0071 | 0.06 | 0.0605 | 0.019 | 0.0187 | 0.0044 | 0.0044 | e − 5 | 0.01 | 100 | 0.007 | 0.0071 | 0.0596 | 0.0601 | 0.019 | 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 − 5 | 0.0001 | 100 | 0.007 | 0.0071 | 0.0595 | 0.0603 | 0.019 | 0.0187 | 0.0044 | 0.0044 |
| e − 5 | 1 | 150 | 0.0036 | 0.0037 | 0.0405 | 0.0412 | 0.0103 | 0.0104 | 0.0045 | 0.0044 | e − 5 | 0.1 | 150 | 0.0036 | 0.0037 | 0.0404 | 0.0412 | 0.0103 | 0.0045 | 0.0045 | 0.0044 | e − 5 | 0.01 | 150 | 0.0036 | 0.0037 | 0.0404 | 0.0412 | 0.0103 | 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 | e − 5 | 0.0001 | 150 | 0.0036 | 0.0037 | 0.0404 | 0.0411 | 0.0103 | 0.0104 | 0.0045 | 0.0044 |
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