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Articles by P. Shiva Kumar
Total Records ( 2 ) for P. Shiva Kumar
  V.V. Basava Rao , P. Shiva Kumar , Ch. Sailu and S. Ram Mohan Rao
  In many industrial processes, the intelligent integration of chemical reactions and separation in one unit (reactive distillation) process was found to be superior to conventional reactor-separator sequences with respect to their economic properties and environmental compatibility. On the other hand, lactic acid is potentially an important raw material for biodegradable polymers and its recovery from aqueous solution is highly difficult. The lactic acid can be recovered by using reactive distillation. In this study, the lactic acid recovery was carried out by reactive distillation using n-butanol as reactive entrainer. The effect of initial concentration, mole ratio and catalyst weight on removal of water from aqueous lactic acid solution were studied and optimum values evaluated.
  K. Devender Reddy , P. Sridhar and P. Shiva Kumar
  This study deal with interfacing myRIO with various sensors and control using LabVIEW. Different types of sensors are considered to control various quantities. The sensors are seven segment display, discrete LED, push button, DIP switches, relay, potentiometer, thermistor, photocell, microphone, speaker, motor, rotary encoder, photo interrupter, Hall effect sensor, Piezo electric sensor, Servo, IR range finder, Sonic range finder, accelerometer, gyroscope, compass, ambient light sensor. The sensors are essential components in measurement and control. LabVIEW provides an interface for visualizing the signal, measurement and control of various physical parameters. Such are deals with the control of stepper motor using NI myRIO because it is less complex to research with LabVIEW programming which is very simple. The pulse required to run the stepper motor is generated using NI myRIO and interfaced with LabVIEW with the help of code generated in the system. The supply voltage is applied to the motor through a voltage driver circuit and the motor speed is controlled by varying the time delay in the LabVIEW program simulation specifications. This mechanical motion obtained using the stepper motor can be used in various industrial and real time applications as well.
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