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Comment: Criterion for the stability of a fourth-order position control system |
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| Authors: | Willems J.L. |
| Affiliation: | University of Gent, Department of Electrical Engineering, Gent, Belgium; |
| Abstract: | It is shown that a result of a recent letter on the global stability of a fourth-order nonlinear position control system is incorrect. Further results on this system are obtained. |
| Keywords: | |