Design of Low-Power Approximate Logarithmic Multipliers with Improved Accuracy

Ali Mahani; Mojtaba Arab nezhad

Volume 2, Issue 1 , June 2022, Pages 1-9


  Approximate computing is considered a promising way to design high-performance and low-power arithmetic units recently. This paper proposes an energy-efficient logarithmic multiplier for error-tolerant applications. The proposed multiplier uses a novel technique to calculate the powers of two products ...  Read More

Analyzing the Inference Process in Deep Convolutional Neural Networks using Principal Eigenfeatures, Saturation and Logistic Regression Probes

Mats Leon Richter; Leila Malihi; Anne-Kathrin Patricia Windler; Ulf Krumnack

Volume 2, Issue 1 , June 2022, Pages 1-10


  The predictive performance of a neural network depends on the one hand on the difficulty of a problem, defined by the number of classes and complexity of the visual domain, and on the other hand on the capacity of the model, determined by the number of parameters and its structure.  By applying ...  Read More

Improving stochastic computing fault-tolerance:A case study on discrete wavelet transform

shabnam sadeghi; Ali Mahani

Volume 2, Issue 1 , June 2022, Pages 11-18


  Stochastic computing (SC) method is a low-cost alternative to conventional binary computing, which processes digital data in the form of pseudo-random bit-streams and because of its highly redundant encoding format, bit-flip errors have a slight effect on the signal final value. As a result, this computational ...  Read More

Investigation of Active Superconducting Fault Current Limiters Operation in the Distribution Networks Connected to the Microgrid

Ahmad Ghaffari Gousheh; Mohsen Saniei; Morteza Razzaz; Alireza Saffarian

Volume 2, Issue 1 , June 2022, Pages 19-25


  Increase of the penetration level of distributed generation (DG) units in radial power distribution systems can increase the level of short circuits in these networks. Increasing the short circuit level can have destructive effects such as exceeding the tolerable current of the equipment as well as disrupting ...  Read More

Multi-Objective Optimal Power Flow Based Combined Non-Convex Economic Dispatch with Valve-Point Effects and Emission Using Gravitation Search Algorithm

Mezhoud Nabil; Amarouayache Mohamed

Volume 2, Issue 1 , June 2022, Pages 26-36


  This paper presents one of the optimization method based on the newest stochastic search algorithm such as Gravitational Search Algorithm (GSA) to solve the Optimal Power Flow (OPF) Combined Economic Dispatch with Valve-Point Effect and Emission Index (EI) in electrical power networks. Our main goal ...  Read More

Smart AI-based Video Encoding for Fixed Background Video Streaming Applications

Mohammadreza Ghafari; Abdollah Amirkhani; Elyas Rashno; Shirin Ghanbari

Volume 2, Issue 1 , June 2022, Pages 37-44


  This paper is an extension of our previous research on presenting a novel Gaussian Mixture-based (MOG2) Video Coding for CCTVs. The aim of this paper is to optimize the MOG2 algorithm used for foreground-background separation in video streaming. In fact, our previous study showed that traditional video ...  Read More

Improving the Quality of ECG Signal Using Wavelet Transform and Adaptive Filters

Amir Hatamian; Farzad Farshidi; Changiz Ghobadi; Javad Nourinia; Ehsan Mostafapour

Volume 2, Issue 1 , June 2022, Pages 45-53


  The increasing risk of cardiovascular diseases, stress, high blood pressure, obesity, sleep disorders and depression causes the electrocardiogram (ECG) monitors are used for diagnosing health. The main objective of this research is to enhance the quality of the ECG signal using wavelet transform and ...  Read More

Effect of Changes in the Parameters of a Modular Converter in Its Controllability Range in Fuel Cell Applications

Mohammad Afkar; Parham Karimi; Roghayeh Gavagsaz-Ghoachani; Matheepot Phattanasak; Serge Pierfederici

Volume 2, Issue 1 , June 2022, Pages 54-61


  In fuel cell systems, voltage balancing is an important consideration. The utilization of a modular construction based on a three-level boost converter was able to balance DC voltage. This paper investigates the effect of parameter variations, such as inductors and capacitors, on the converter's steady-state ...  Read More