Iftikhar Hussain

In this age, the automotive surveillance service is a well-known proven product implemented in conventional transport systems and widely known vehicle entities worldwide. It is a system that can be very robust and reliable. Through this work, GPS (Global Positioning System is implemented, which is used to locate and identify any automobile. This concept is an integrated device that can steadily track a speeding object and communicate the device’s status whenever its identification is required. It must obtain the NodeMCU (ESP8066 module) for the network connection device, which is routinely connected to the GPS device and the Arduino board through which it functions. The NodeMCU is used to relay the device’s status simultaneously from a distant location. The context of the application, “Bus Management System”, which is designed in MIT, provided an android studio for researchers to design any application interface. The network interface could be reviewed on the accounts-receivable public network in the form of charts. The program shows responses to the mobile application; it only requires logging in with a data network. The application, “Bus Management System”, displays the sensor values in terms of GPS coordinates statistics. This IoT based transport assistive system is cost effective and less complex from other existing IoT based transport assistive system.

In this study, a control strategy is presented for multiple quadrotors, inclusive of sliding mode control and proportional derivative (PD) control, with the goal of providing stability, robustness, reduced disturbance, and formation tracking in uncertain conditions and environments. The presented control technique is based on Newton-Euler equations and satisfying Lyapunov’s stability conditions, using sliding mode controller design and PD controller design. The designed control technique was implemented, and the desired results were achieved with minimized position error, orientation error, and distance error, while adhering to Lyapunov’s stability conditions.

The AC power system is leading due to its established standards. The depleting thread of fossil fuels, the significant increase in cost and the alarming environmental situation raises concerns. An Islanded DC microgrid, due to its novel characteristics of being able to withstand faulty conditions, has increased the reliability, accuracy, ease of integration, and efficiency of the power system. Renewable energy sources, characteristically DC, have wide usability in a distributive network and, accordingly, less circuitry and conversion stages are required, eliminating the need of reactive power compensation and frequency sync. Constant power loads (CPLs) are the reason for instability in the DC microgrid. Various centralized stability techniques have been proposed in the literature; however, the grid system collapses if there is a fault. To compensate, an efficient distributive control architecture, i.e., droop control method is proposed in this research. The significant advantage of using the droop control technique includes easy implementation, high reliability and flexibility, a reduced circulating current, a decentralized control with local measurements, the absence of a communication link and, thus, it is economic. Moreover, it offers local control for each individual power source in the microgrid. To investigate the stability of the islanded DC microgrid with constant power loads using the droop control technique, a small signal model of the islanded DC microgrid was developed in MATLAB/Simulink. Simulations were carried out to show the efficiency of the proposed controller and analyze the stability of the power system with constant power loads.

For clinical study and diagnosis, compression of Electro Cardio Gram (ECG) signal is a fundamental step for processing. However, the compression and reconstruction introduce errors in the signal. Therefore, error minimization is crucial before using these signals for analysis and diagnosis. This paper presents an efficient method to minimize the reconstruction error using the adaptive filtering technique. Better reconstruction was achieved based on higher value of Compression Ratio and lesser value of Percent Root mean squared difference. Daubechies Wavelet easily detects the signal spikes while keeping less error rate using Least Mean Squared Error algorithm. However, the percentage value of error appeared to be minimum when using Daubechies Wavelet because of its small coefficients other than Haar and Coiflet Wavelet. Therefore, it was concluded that Daubechies Wavelet should have been used for error minimization in the reconstructed signal.

Short term load forecasting (STLF) is an obligatory and vibrant part of power system planning and dispatching. It utilized for short and running targets in power system planning. Electricity consumption has nonlinear patterns due to its reliance on factors such as time, weather, geography, culture, and some random and individual events. This research work emphasizes STLF through utilized load profile data from domestic energy meter and forecasts it by Multiple Linear Regression (MLR) and Cascaded Forward Back Propagation Neural Network (CFBP) techniques. First, simple regression statistical calculations used for prediction, later the model improved by using a neural network tool. The performance of both models compared with Mean Absolute Percent Error (MAPE). The MAPE error for MLR observed as 47% and it reduced to 8.9% for CFBP.