Extended Hybrid Controller Design of Bifurcation in a Delayed Chemostat Model

Fractional-order differential models plays a pivotal role in depict-ing the relationship among concentration changes of various chem-ical substances in chemistry. In this current study, we will explore the dynamics of a delayed chemostat model. First of all, we prove that the solution of the delayed chemostat model exists and is unique by virtue of fixed point theorem. Secondly, we demonstrate that the solution of the delayed chemostat model is non-negative by apply-ing some suitable inequality strategies. Thirdly, the boundedness of the solution to the delayed chemostat model is explored via con-structing a reasonable function. Fourthly, the Hopf bifurcation and stability of the delayed chemostat model are dealt with by exploiting the stability criterion and bifurcation theory on fractional dynami-cal system. Fifthly, the stability domain and Hopf bifurcation of the delayed chemostat model are resoundingly controlled by making use of an extended hybrid controller. Sixthly, the stability domain and Hopf bifurcation of the delayed chemostat model are effectively ad-justed by making use of an another extended hybrid controller. The role of delay in this chemostat model is revealed. Seventhly, soft-ware experiments are given to illustrate the rightness of the gained key conclusions. The acquired outcomes of this work are perfectly innovative and have crucial theoretical value in controlling the con-centrations of various chemical substances.