Table of Contents
What is PID Labview?
Proportional Integral Derivative (PID) is one of the most commonly used control algorithms due its ease of use and minimal required knowledge of the system or plant to be controlled. National Instruments provides ready-to-run, advanced (PID) control algorithms with the NI LabVIEW PID Control Toolkit.
What is the basic principle of PID controllers?
PID Controller Working Principle The working principle behind a PID controller is that the proportional, integral and derivative terms must be individually adjusted or “tuned.” Based on the difference between these values a correction factor is calculated and applied to the input.
What is L293D?
The L293D is designed to provide bidirectional drive currents of up to 600-mA at voltages from 4.5 V to 36 V. Both devices are designed to drive inductive loads such as relays, solenoids, DC and bipolar stepping motors, as well as other high-current/high-voltage loads in positive-supply applications.
What is the transfer function explain?
In engineering, a transfer function (also known as system function or network function) of a system, sub-system, or component is a mathematical function which theoretically models the system’s output for each possible input. They are widely used in electronics and control systems.
What is the use of transfer function?
A transfer function is a convenient way to represent a linear, time-invariant system in terms of its input-output relationship. It is obtained by applying a Laplace transform to the differential equations describing system dynamics, assuming zero initial conditions.
What is the DC gain of transfer function?
The transfer function gain is the magnitude of the transfer function, putting s=0. Otherwise, it is also called the DC gain of the system, as s=0 when the input is constant DC.
How to simulate DC motor control in LabVIEW?
Another method of simulating DC-motor control in LabVIEW is by modeling a closed-loop control system. This is a system in which the output is used in a feedback path back to the controller and that, together with the input, affects the next iteration of the controller output with the intent to produce the desired result.
Can LabVIEW be used for motion control?
LabVIEW, used together with other applications from National Instruments, makes it possible to create motion control systems with all of the necessary components. Using the NI SoftMotion application user interface, many components of the motion system can be added as modules in LabVIEW, including the control loop design.
What is the basic transfer function for a DC motor?
For the sake of simplicity consider a basic transfer function for a DC motor where effects such as friction and disturbances are being considered: Your goal is to implement a PID algorithm that is going to run on a Real-Time controller with a loop rate of 1000 Hz (0.001 second period).
What is the input and output of a DC motor?
The DC motor can be best represented by a transfer function. A transfer function provides a mathematical description for how the inputs and outputs of a system are related. In our case, the input to the system is voltage (V m) and the output from the system is angular velocity (Ω m ).