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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Maalouf, A.I. |
| Copyright Year | 2006 |
| Abstract | Heuristically, it was claimed in the literature that increasing the time-constant $`T_{ref}'$ of the reference trajectory in predictive control improves the closed-loop stability because the controller will be able to tolerate model mismatch which is difficult for a zero time-constant reference trajectory (a pure set-point) to tolerate. On the other hand, many industrial model predictive control (MPC) technologies like SMC-Idcom, HIECON, PFC, etc... use `Tref ' as the main tuning parameter. Smaller time constants demand more aggressive control, while larger time constants result in less agressive action. One may start with $`T_{ref}'$ equal to the open-loop time constant of the control variable, then refine the tuning based on performance/robustness trade-offs. In this paper, the author investigates these issues analytically for linear SISO systems. The analysis done extends the notion of system types in linear control by defining a new type denoted as MGS for which it is possible by using predictive control tools to find analytically a stable equilibrium point for the system and track at the same time a reference trajectory with a gain margin that increases as $`T_{ref}'$ increases, improving that way the relative stability of the closed-loop system. MGS systems have wide applications in many areas such as: hybrid systems, power systems, robotic systems, etc |
| Sponsorship | American Automatic Control Council IFAC |
| File Size | 304887 |
| File Format | |
| ISBN | 1424402093 |
| e-ISBN | 1424402107 |
| DOI | 10.1109/ACC.2006.1656441 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-06-14 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Trajectory Predictive control Stability analysis Open loop systems Predictive models Power system stability Hybrid power systems Industrial control Robust control Control systems |
| Content Type | Text |
| Resource Type | Article |
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