Polynomial Chaos-based Input Shaper Design under Time-Varying Uncertainty
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866912874374365184 |
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| author | Güttler, Johannes Baker, Karan Saha, Premjit Warner, James Stein, Adrian |
| author_facet | Güttler, Johannes Baker, Karan Saha, Premjit Warner, James Stein, Adrian |
| contents | The work presented here investigates the application of polynomial chaos expansion toward input shaper design in order to maintain robustness in dynamical systems subject to uncertainty. Furthermore, this work intends to specifically address time-varying uncertainty by employing intrusive polynomial chaos expansion. The methodology presented is validated through numerical simulation of intrusive polynomial chaos expansion formulation applied to spring mass system experiencing time-varying uncertainty in the spring stiffness. The system also evaluates non-robust and robust input shapers through the framework in order to identify designs that minimize residual energy. Results indicate that vibration mitigation is achieved at a similar accuracy, yet at higher efficiency compared to a Monte Carlo framework. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_17209 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Polynomial Chaos-based Input Shaper Design under Time-Varying Uncertainty Güttler, Johannes Baker, Karan Saha, Premjit Warner, James Stein, Adrian Systems and Control The work presented here investigates the application of polynomial chaos expansion toward input shaper design in order to maintain robustness in dynamical systems subject to uncertainty. Furthermore, this work intends to specifically address time-varying uncertainty by employing intrusive polynomial chaos expansion. The methodology presented is validated through numerical simulation of intrusive polynomial chaos expansion formulation applied to spring mass system experiencing time-varying uncertainty in the spring stiffness. The system also evaluates non-robust and robust input shapers through the framework in order to identify designs that minimize residual energy. Results indicate that vibration mitigation is achieved at a similar accuracy, yet at higher efficiency compared to a Monte Carlo framework. |
| title | Polynomial Chaos-based Input Shaper Design under Time-Varying Uncertainty |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2601.17209 |