View full-text article in PMC Eur Phys J Spec Top. 2021 Dec 12;231(5):905–919. doi: 10.1140/epjs/s11734-021-00335-2 Search in PMC Search in PubMed View in NLM Catalog Add to search Copyright and License information © The Author(s), under exclusive licence to EDP Sciences, Springer-Verlag GmbH Germany, part of Springer Nature 2021 This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic. PMC Copyright notice Table 3. Proposed TSFLCs to stabilise chaos in FOPMs in antecedent x1 Pk Ri Consequent Pk Ri Consequent P0 R1 U1=u1u2u3=0.1123x32-0.0491x2x3+5.912x3-x32x1-0.0107x22+0.0237x1x2-x2-0.0108x33x2-1.4512x30 P2 R1 U1=u1u2u3=0.1581x32-0.0688x2x3+5.912x3-0.0107x22+0.0262x1x2-x2-1.4512x3-0.0108x33x2-0.0108x32-x3 R2 U2=u1u2u3=0.1123x32-0.0491x2x3+5.912x3-3.76x32x1-0.0107x22+0.0237x1x2-2.93x2-0.0108x33x2-1.4512x30 R2 U2=u1u2u3=0.1581x32-0.0688x2x3+5.912x3-0.0107x22+0.0262x1x2-3.92x2-1.4512x3-0.0108x33x2-0.0108x32-1.4271x3 R3 U3=u1u2u3=0.1123x32-0.0491x2x3+5.912x3-x32x1-0.0107x22+0.0237x1x2-2.93x2-0.0108x33x2-1.4512x3-x3 R3 U3=u1u2u3=0.1581x32-0.0688x2x3+5.912x3-0.0107x22+0.0262x1x2-5.98x2-1.4512x3-0.0108x33x2-0.0108x32-1.09374x3 P1 R1 U1=u1u2u3=0.1231x32-0.0528x2x3+6.9174x3-0.0107x22+0.0237x1x2-x2-0.0213x33x2-2.0814x30.0013x22-x3 P3 R1 U1=u1u2u3=0.1291x32-0.04906x2x3+0.004x1x3+6.007x3-0.0103x22-1.7263x3+0.0227x1x2+0.00007x2x3-x2-0.0318x32-x3 R2 U2=u1u2u3= 0.1231x32-0.0528x2x3+6.9174x3-0.0107x22+0.0237x1x2-4.77x2-0.0213x33x2-2.0814x30.0013x22-2.12x3 R2 U2=u1u2u3=0.1291x32-0.04906x2x3+0.004x1x3+6.007x3-0.0103x22-1.7263x3+0.0227x1x2+0.00007x2x3-4.57x2-0.0318x32-1.75x3 R3 U3=u1u2u3= 0.1231x32-0.0528x2x3+6.9174x3-0.0107x22+0.0237x1x2-1.3164x2-0.0213x33x2-2.0814x30.0013x22-6.247x3 R3 U3=u1u2u3=0.1291x32-0.04906x2x3+0.004x1x3+6.007x3-0.0103x22-1.7263x3+0.0227x1x2+0.00007x2x3-6.335x2-0.0318x32-9.59x3