Robust Data-Driven Predictive Run-to-Run Control for Automated Serial Sectioning
- Univ. of New Mexico, Albuquerque, NM (United States); Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Univ. of New Mexico, Albuquerque, NM (United States)
This letter presents a one-step predictive run-to-run controller (R2R-MPC) for the automation of mechanical serial sectioning (MSS), a destructive material analysis process. To address the inherent uncertainty and disturbances in the MSS process, a robust closed-loop approach is presented. Here, the robust R2R-MPC models the uncertainty of the MSS process using a linear differential inclusion. As an analytical model of the MSS process is unavailable, the differential inclusion is identified from historical data. The R2R-MPC is posed as an optimization problem that computes incremental changes to the control input which minimize the worst-case material removal errors. This optimization-based controller is combined with a run-to-run controller to provide integral action that rejects constant disturbances and tracks constant reference removal rates. To demonstrate the efficacy of our robust R2R-MPC, we present simulation results which compare the presented controller with a conventional non-robust R2R.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- NA0003525
- OSTI ID:
- 2498463
- Report Number(s):
- SAND--2025-00056J
- Journal Information:
- IEEE Control Systems Letters, Journal Name: IEEE Control Systems Letters Vol. 8; ISSN 2475-1456
- Publisher:
- IEEECopyright Statement
- Country of Publication:
- United States
- Language:
- English
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