阿摩線上測驗
題組內容
PROBLEM 3 (20%)
Figure 2 shows a simple temperature control of a machine tool cooling system, where r is the setting temperature and y is the coolant temperature. There is a delay of D seconds present in the cooling
Figure 2 shows a simple temperature control of a machine tool cooling system, where r is the setting temperature and y is the coolant temperature. There is a delay of D seconds present in the cooling
(b) (10%) Estimate the maximum allowable delay for the system to maintain at least 20 dB of gain margin, by using the approximation 
, when |ω|<<1.