Pada paper ini kendali adaptif didesain pada model penyebaran demam berdarah dengan melibatkan fase akuatik nyamuk. Model penyebaran demam berdarah yang dikaji melibatkan enam variabel state (manusia rentan, manusia terinfeksi, manusia sembuh, nyamuk pada fase akuatik, nyamuk dewasa rentan dan nyamuk dewasa terinfeksi) dan satu variabel masukan kendali berupa vaksinasi. Tujuan desain kendali adaptif ini adalah untuk menurunkan jumlah manusia rentan mengikuti fungsi acuan yang diberikan sedemikian sehingga manusia rentan berpindah ke kompartemen manusia sembuh serta jumlah manusia terinfeksi menurun. Konvergensi tracking dianalisis menggunakan fungsi Lyapunov. Performansi kendali adaptif yang telah didesain dievaluasi menggunakan simulasi numerik. Secara analitik dan numerik dapat ditunjukkan bahwa kendali adaptif berupa vaksinasi ini kokoh (robust) dengan adanya ketidakpastian parameter serta tujuan desain kendali tercapai.
In this paper the number of humans infected with cholera was controlled under the uncertainty in cholera model parameters. The aim of this research is to design an adaptive control so that the number of infected humans decreases. To achieve this goal, an adaptive controller was proposed to a deterministic model for the transmission of cholera involving five state variables (susceptible humans, infected humans, quarantined humans, recovered humans, and bacterial concentration) and one input control variable, i.e, the proportion of quarantined humans. A control law was designed such that the number of infected humans was decreased tracking the given reference function. The tracking error convergence were analyzed by employing the Lyapunov theorem. The performance of the proposed controller was evaluated through numerical simulations. The results show that the adaptive controller designed to the model ensures the tracking error convergence such that the number of infected humans has declined.
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