被控量 (controlled variable )
被控量 (controlled variable )
相关考题:
The overall transfer function is the ratio of the transform. of the controlled variable to the transform. of ( ). A.the controlled variableB.the reference inputC.the feedbackD.the output variable
A feedback is an input ____A.which governs the state of a variableB.which provides a visual and audible alarmC.which indicates values of controlled variablesD.which measures the state of the controlled variable
The order of name resolution can be controlled. The default is: 1.DNS/BIND 2.NIS 3./etc/hosts To change the order of the above name resolutions, which of the following should be used?()A、nslookupB、hostnameC、/etc/host.equivD、environment variable NSORDER
单选题The order of name resolution can be controlled. The default is: 1.DNS/BIND 2.NIS 3./etc/hosts To change the order of the above name resolutions, which of the following should be used?()AnslookupBhostnameC/etc/host.equivDenvironment variable NSORDER
单选题The steady state difference between the control point and the value of the controlled variable, corresponding with the set point, is known as ()Adead bandBcontrol pointCdeviationDoffset
单选题The value of the controlled variable, which under any fixed set of conditions the automatic controller operates to maintain, is known as ()Aset pointBcontrol pointCdeviationDoffset
单选题The delivery rate of a variable stroke axial piston hydraulic pump is controlled by varying the position of the ().Aslide blockBtilting boxCpintleDreaction ring
单选题A feedback is an input()Awhich governs the state of a variableBwhich provides a visual and audible alarmCwhich indicates values of controlled variablesDwhich measures the state of the controlled variable