Automatic control systems ppt

  • What do automatic control systems do?

    These systems can be actively managed or set to operate autonomously.
    They use feedback signals from the system to provide automatic control and maintain specific settings or a desired state without human intervention.
    Some control loops can be switched between closed and open modes..

  • What is the automatic control system?

    Automatic control is the maintenance of a desired value of a quantity or. condition by measuring existing value, comparing it to the desired value and. employing the difference to initiate action for reducing this difference..

  • What is the automatic process in an automatic control system?

    Automatic process control is the mechanical (or other non-manual) regulation of processes for the purpose of producing high quality products at high rates and low cost..

  • What is the process of controlling machines automatically?

    Automation is the use of various control systems to operate equipment automatically or semi-automatically.
    PLCs are used extensively in industrial automation, where they monitor and control things like machinery, production lines, conveyor belts, elevators, and even cellular phone networks..

Feb 2, 2021automatic control, Basic Definitions, Classification of Control systems, Requirements of an ideal Control system - Download as a PDF or view 

How do you explain an automatic control system?

Explain the function of an automatic control system

Define a transfer function and compute the gain for sinusoidal input/output cases

Reduce block diagram systems using algebra

Maintain a variable of process at a desired value while rejecting the effects of outside disturbances by manipulating another system variable

How does output affect the control action?

Output has no effect on the control action

In other words output is neither measured nor fed back

Since in open loop control systems reference input is not compared with measured output, for each reference input there is fixed operating condition

Therefore, the accuracy of the system depends on calibration

What are the components of a control system?

Disregard the complexity of the system, it consists of an input (objective), the control system and its output (result)

Practically our day-to-day activities are affected by some type of control systems

There are two main branches of control systems: 1) Open-loop systems and 2) Closed-loop systems

Fig 1-1 Basic components of a control system

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