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A Minimum-Footprint Implementation of Discrete-Time ADRC

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arxiv 2104.01943 v4 pith:I5RO76AZ submitted 2021-04-05 eess.SY cs.SY

A Minimum-Footprint Implementation of Discrete-Time ADRC

classification eess.SY cs.SY
keywords adrccomputationaldiscrete-timeimplementationactiveadoptionapplicationsarticle
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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To foster the adoption of active disturbance rejection control (ADRC) and support its deployment even on low-cost embedded systems, this article introduces the most efficient implementation of linear discrete-time ADRC to date. While maintaining all features and the exact performance characteristics of the state-space form, computational efforts and storage requirements are reduced to a minimum compared to all existing implementations. This opens up new possibilities to use ADRC in applications with high sample rates, tight timing constraints, or low computational power.

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