Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/C52D119A-ED28-439A-937A-96ACAD61359D | ||
| Year | 2018 | ||
| Type of Item | Book Chapter | ||
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| Bibliographic Citation | S. Khan, K. Papadimitriou, G. Buttazzo and K. Kalaitzakis, "A reconfigurable PID controller," in Applied Reconfigurable Computing Architectures, Tools, and Applications, vol. 10824, Lecture Notes in Computer Science, N. Voros, M. Huebner, G. Keramidas, D. Goehringer, C. Antonopoulos, P. Diniz, Eds., Cham: Springer Verlag, 2018, pp. 392-403. doi: 10.1007/978-3-319-78890-6_32 https://doi.org/10.1007/978-3-319-78890-6_32 | ||
| Appears in Collections |
We survey the Proportional-Integral-Derivative (PID) controller variants and we switch them in runtime via reconfiguration, as the control requirements change. Depending on the PID variant, e.g. P, I, PI, PD, PID, PI-PD, the involved computations to produce the control output are different. We rely on a previous published design to shorten the execution cycle of each controller variant, by increasing the number of arithmetic units operating concurrently. Furthermore, we incorporate a design based on multiplexers that allows for eliminating frequent reconfigurations, which were required in the previous work. Finally, we evaluate our approach in terms of resource utilization and reconfiguration time.
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