The HIV (human immunodeficiency virus) infection can be modeled within the linear control theory with a transfer functio

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The Hiv Human Immunodeficiency Virus Infection Can Be Modeled Within The Linear Control Theory With A Transfer Functio 1 (53.05 KiB) Viewed 29 times

The HIV (human immunodeficiency virus) infection can be modeled within the linear control theory with a transfer function Gp(s) given as: Gp(s) = s+4 s[(s + 0.5)(s + 1)(s2 + 0.4s + 4)] You are the senior biomedical engineer in a pharmaceutical company and you need to develop a policy for drug delivery to maintain the virus count at prescribed levels. For the purpose of generating an appropriate control input u(t), you design a negative feedback control system, in which the controller has transfer function Gc(s)= K, where K>0 (proportional controller). u(t) r(t) Desired virus Count Change Gls) Ge(s) y(t) Actual virus Count Change Using Routh-Hurwitz stability criterion to find the range of K for which the closed-loop system is stable.