Abstract
This article aims to describe the design of a circuit of a level transducer implemented by means of an ultrasonic sensor and controlled by Arduino Nano, applied to a water tank of a firefighting system. Initially, the integration of the Siemens 1212C programmable logic controller is described, in the connection between the sensor, the controller and the interfaces that allow to generate the monitoring, control and data recording, conditioned by a PWM pulse width modulated signal controlled by Arduino Nano. When developing the research and performing an analysis of the linear regression model, it is established that the behavior of the controlled variable with respect to time, generates a linear voltage response in the range of 0 to 10 volts; expressing in terms of correlational relationship a factor of R2 equal to 0.997, thus establishing that the designed transducer does not show susceptibility to noise or disturbances in the start-up of the firefighting system.
Highlights
A control system essentially seeks to increase the efficiency of the entire process by maintaining the main variables of the system, within the pre-established range as optimal for the process [1]
The research method is quantitative, because the filling level of the tank of the firefighting system will be measured with respect to the voltage provided by the transducer output, likewise, the response of the controlled variable is evaluated, in this case the relationship that exists between the altitude measured by the sensor in response to the activation of the fire system
It is correlational because it seeks to establish the level of association or relationship between the indicators under analysis in the firefighting system, in order to determine the dispersion model that best describes the data collected by the level transducer circuit
Summary
A control system essentially seeks to increase the efficiency of the entire process by maintaining the main variables of the system, within the pre-established range as optimal for the process [1]. In the same line of opinion in [4], the author points out that control systems are implemented with the purpose of controlling the drive of machines or actuators, seeking to reduce the probability of failures and maintaining certain values of variables at determined intervals. Focusing on industrial systems that rely on fluid fill level control mechanisms. In [7] the author points out that liquid level system represents a concrete example of control systems with wide diffusion in industrial settings. It is that any process that needs to store substances in any of their states requires records on the level of deposit of the same in order to make timely and appropriate decisions in search of ensuring the sustainability of the production process [8]
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