What is error-rate control, Electrical Engineering

Q. What is error-rate control?

A system is said to possess error-rate damping when the generation of the output in some way depends upon the rate of change of the actuating signal. For the system of Figure, if the

1425_What is error-rate control.png

amplifier is so designed that it provides an output signal containing a term proportional to the derivative of the input, as well as one proportional to the input itself, error-rate damping will be introduced. For the system that includes error rate, the only modification needed is in the transfer function of the servoamplifier. Instead of the gain Ka, the new transfer function will be Ka+ sKe, where Ke denotes the error-rate gain factor of the amplifier. The complete block diagram is shown in Figure. In this case the direct transmission function becomes

2340_What is error-rate control1.png

where K = KpKaKm and Qe = KpKeKm are known as the loop proportional gain factor and the loop error-rate gain factor, respectively.

1711_What is error-rate control2.png

Note that the steady-state solution for a step input r0 is the same whether or not error-rate damping is present. The advantage of error-rate damping lies in the fact that it allows higher gains to be used without adversely affecting the damping ratio, and thereby makes it possible to satisfy the specifications for the damping ratio as well as for the steady-state performance. Also, the system's natural frequency is increased, which in turn implies smaller settling times.

Posted Date: 7/1/2013 6:26:52 AM | Location : United States







Related Discussions:- What is error-rate control, Assignment Help, Ask Question on What is error-rate control, Get Answer, Expert's Help, What is error-rate control Discussions

Write discussion on What is error-rate control
Your posts are moderated
Related Questions
Importance Performance Mapping & Implementation Plan - Power Supply Another data presentation device in which several managers find appealing is the significance-performance m

WHAT IS THE FUNCTION OF DELAY LINE IN CRO

Q. Required Conditions for connecting two transformers in parallel? Ans: a) Voltage rating should be same b) Per unit impedance should be same c) Phase sequence should

Calculate the mechanical speed of rotar: An asynchronous machine of 460V, 25hp, 4 poles with rotor wound in Y has the following data (of the side stator): Resistance of the

write a short notes of thermal compansation?

Explain DAA instruction. DAA: The DAA instruction follows the instruction ADC or ADD to adjust the result in a BCD result. The DAA instruction performs only with the AL registe

Decimal to Binary Coded Decimal Conversions Step1. Separate the digits in the decimal number Step2. Express each of the digits in their binary equivalent Step3. Combine all o

Q. What are the applications of JFET? · FET is used as a buffer in measuring instruments, receivers since it has high input impedance and low output impedance. · FET's are u

Cellular telecommunication sector - Software Defined Radio As of now, every cell phone transmits and receives information through a speci?c standard. If we have to change the s

Q. From a three-phase, 60-Hz system, through a motor-generator set consisting of two directly coupled synchronous machines, electric power is supplied to a three-phase, 50-Hz syste