单项选择题
A.the lack of a feedback B.the presence of a feed back C.the lack of a computer D.the presence of a computer
From the passage, we can learn that the simplest contro...
单项选择题From the passage, we can learn that the simplest controller action is（）
A.two-step controller action B.proportional, controller action C.integral controller action D.derivative controller action
Which kind of the following controllers is the most sop...
单项选择题Which kind of the following controllers is the most sophisticated controller?（）
A.Proportional controller B.Integral controller C.Derivative controller D.PID controller
The word “offset” most probably means（）A.predetermined ...
单项选择题The word “offset” most probably means（）
A.predetermined value B.measured value C.off-limit D.sustained deviation
