Operating Systems - Science topic

A variety of algorithms handles processes on the CPU. The round-robin algorithm is an efficient CPU scheduling mechanism for a time-sharing operating system. The system processes the methods based on the time slice; however, determining the time slice has proven highly challenging for the researchers. As a result, a variety of dynamic time quantum...

Recently, Robot as a Service (RaaS) brought a major shift in the access and use of robots due to the technological advancements in computing, storage and communication. Users at the client side can manipulate their robots as an on-demand service throughout the Internet. The development of such systems is facing the fusion of the advantages of both...

𝐂𝐀𝐋𝐋 𝐅𝐎𝐑 𝐁𝐎𝐎𝐊 𝐂𝐇𝐀𝐏𝐓𝐄𝐑 - "𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐁𝐨𝐨𝐤" 𝐒𝐮𝐛𝐦𝐢𝐬𝐬𝐢𝐨𝐧 𝐃𝐞𝐚𝐝𝐥𝐢𝐧𝐞 : January 30, 𝟐𝟎𝟐𝟐. It is our pleasure to invite you to submit a chapter for inclusion in the “𝐂𝐲𝐛𝐞𝐫𝐬𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬” book to be published by Springer. The submission deadline is January 30. The submitted chapter should have 12-20 pages single-space single-column an...

Robotic systems used in safety-critical industrial situations often rely on modular software architectures, and increasingly include autonomous components. Verifying that these modular robotic systems behave as expected requires approaches that can cope with, and preferably take advantage of, this inherent modularity. This paper describes a composi...

We were able to complete the full integration of the Robotic Technology Kernel (RTK) into an electric vehicle by-wire system using lidar and GPS sensors. The solution included a mobile application to interface with the RTK-enabled autonomous vehicle. Altogether the system was designed to be modular, using the concepts of message-based software desi...

In present times, as the Android Operating system is getting more popular the applications based on Android SDK attracts much more attention. Therefore, understanding how to program to properly asses the value of a software engineer's work is essential. Computers are now being used in almost everything around us, but still the concept of programmin...

In present times, as the Android Operating system is getting more popular the applications based on Android SDK attracts much more attention. Therefore, understanding how to program to properly asses the value of a software engineer's work is essential. Computers are now being used in almost everything around us, but still the concept of programmin...

It is well known that “bad” quotient spaces (typically: non-Hausdorff) can be studied by associating to them the groupoid C*-algebra of an equivalence relation, that in the “nice” cases is Morita equivalent to the C*-algebra of continuous functions vanishing at infinity on the quotient space. It was recently proposed in Connes and van Suijlekom (To...

Large-scale of solar power plants will continue to grow, especially in the tropical area. The increasing number of solar power plants required workers who have competence in operating these solar power plants. In order to prepare workers who have the ability to operate the solar power plants, prospective workers can be trained during the study peri...

Autonomous Driving (AD) promises an efficient, comfortable and safe driving experience. Nevertheless, fatalities involving vehicles equipped with Automated Driving Systems (ADSs) are on the rise, especially those related to the perception module of the vehicle. This paper presents a real-time and power-efficient 3D Multi-Object Detection and Tracki...

This paper presents the comparative evaluation of multiple compact and lightweight 2D laser scanners for their possible backpack based scanning and mapping applications. These scanners include Hokuyo URG-04LX, Slamtec RPLidar A1-M8 and Hokuyo UTM-30LX-EW scanners. Since the technical datasheets provide general information and limited working detail...

This paper presents a new synthetic dataset obtained from Gazebo simulations of an Unmanned Ground Vehicle (UGV) moving on different natural environments. To this end, a Husky mobile robot equipped with a tridimensional (3D) Light Detection and Ranging (LiDAR) sensor, a stereo camera, a Global Navigation Satellite System (GNSS) receiver, an Inertia...

There is a growing body of literature that recognizes the importance of Multi-Robot coordination and Modular Robotics. This work evaluates the secure coordination of an Unmanned Aerial Vehicle (UAV) via a drone simulation in Unity and an Unmanned Ground Vehicle (UGV) as a rover. Each robot is equipped with sensors to gather information to send to a...

The Big Memory solution is a new computing paradigm facilitated by commodity server platforms that are available today. It exposes a large RAM subsystem to the Operating System and therefore affords application programmers a number of previously unavailable options for data management. Additionally, certain vendor-specific solutions offer additiona...

Driverless train control systems are becoming popular in the world. Notably, this technology has already been applied for several years. However, these kinds of Automatic Train Operation systems are still under the framework that network elements and movement authority are generated from the ground control center. Hence, the aforementioned rail sys...

The paper is devoted to the leader–follower approach for multiple mobile robots control and its experimental verification. The formation control of mobile robots is motivated by the concept of virtual leader tracking, which is enhanced by the collision avoidance between the robots proposed in our previous work. The effectiveness of this approach wa...

In recent years, engineering degree programs have become fundamental to the teaching of robotics and incorporate many fundamental STEM concepts. Some authors have proposed different platforms for teaching different topics related to robotics, but most of these platforms are not practical for classroom use. In the case of teaching autonomous navigat...

File System in OS

Layered Architecture Used By Windows Mobile Operating System, Its Performance & Security

The presentation explains about mobile operating systems and a few types of the same.

We study the duals of a certain class of finite-dimensional operator systems, namely the class of operator systems associated to tolerance relations on finite sets or equivalently the class of operator systems that are associated with graphs. In the case where the graphs associated with these operator systems are chordal we are able to find concret...

Online education, proven very efficient in the recent years, has two main components, namely Online learning, and Online teaching, which, in order to be successful to the optimum level, require appropriate resources. The root source playing a vital role in online education is none other than Information Technology, having rapidly developed over the...

Communication networks in power systems are a major part of the smart grid paradigm. It enables and facilitates the automation of power grid operation as well as self-healing in contingencies. Such dependencies on communication networks, though, create a roam for cyber-threats. An adversary can launch an attack on the communication network, which i...

Unmanned aerial vehicle Image processing using (modification) Using intermediate filtration and Holding three. In Korea, Holding multiple and three. Unmanned Aerial Vehicle (UAV) is the military and defense Important for use Is technology. In unknown areas Surveillance, forest protection and the enemy The UAV can be used to perform various tasks su...

Android Operating system (OS) has grown into the most predominant smartphone platform due to its flexibility and open source characteristics. Because of its openness, it has become prone to numerous attackers and malware designers who are constantly trying to elicit confidential information by articulating a plethora of attacks through these design...

Leveraging the benefits of deep-learning convolutional neural networks, we introduce a new data-driven cyber–physical system specifically designed to address the vulnerability of middleware software, namely, Robot Operating System (ROS), widely implemented in robotics in both civilian and military domains. As for our research platform, we employ th...

The number of available tools for dynamic simulation of robots has been growing rapidly in recent years. However, to the best of our knowledge, there are very few reported quantitative comparisons of the most widely-used robot simulation tools. This article attempts to partly fill this gap by providing quantitative and objective comparisons of four...

Deep learning, big data, and the internet of things (IoT) have changed the world entirely. As an embedded computer, Raspberry Pi is playing a dynamic and prominent role in the era of ubiquitous computing. In ubiquitous computing, performance and real-time throughput are still an area of focus for Raspberry Pi. Indeed, process scheduling, page swapp...

Objective: The objective of this study was to provide information on the prevalence of use of antibiotics to Sudanese pregnant women, some of which may have feto-toxic or teratogenic effects, in the outpatient setting. Materials and Methods: This was a descriptive retrospective cross sectional hospital based study, which carried out in Military Hos...

As modern network infrastructure moves from hardware-based to software-based using Network Function Virtualization, a new set of requirements is raised for operating system developers. By using the real-time kernel options and advanced CPU isolation features common to the HPC use-cases, Linux is becoming a central building block for this new archit...

70 percent people or even more than that use Android Operating System in the world. Android Operating System has groundbreaking features like Mobile Hotspot, Calling, Texting, Gaming, WIFI, Bluetooth etc in such small devices that fits in the palm of the hand. In between these revolutionary features, we are going to talk about the main feature whic...

Wheel-track hybrid mobile robot has been widely used because of its high autonomous mobility and its ability to adapt to complex and changeable outdoor environment. Map construction and path planning are the main conditions to achieve its autonomous mobility. Therefore, a wheel-track hybrid robot path planning has been designed and implemented. Sim...

In the current era of Industry 4.0, smart manufacturing systems seek to achieve a high level of flexibility and efficiency. This can be achieved by means of incorporating a high degree of automation and autonomous robotized systems along with efficient decision-making systems capable to reconfigure the system tasks in real-time according to the ext...

This paper presents a method for the implementation of a robot forward kinematics algorithm that complies with the Denavit-Hartenberg (DH) convention in Robot Operating System (ROS). The integration of the algorithm in ROS is based on the representation of DH parameters in dual quaternion space. The main motivation for the presented research is to...

The increase in the number of vehicles has led to a number of traffic signs. Therefore, a system that can automatically recognize the traffic signs is being needed to reduce traffic accidents and to drive more freely. Traffic Sign Recognition (TSR) systems employ vehicle mounted cameras that identify traffic signs while driving on these road. Typic...

Low‐salinity waters in the upper Arctic Ocean, referred to as “freshwaters”, are cold and play a major role in isolating the sea ice cover from the heat stored in the salty Atlantic Waters (AWs) underneath. We examined changes in Arctic freshwater distribution and circulation since 2007 using the 1/12° global Mercator Ocean operational model. We fi...

In wireless sensor networks, providing flexibility in the selection of Medium Access Control (MAC) protocols to be implemented in an operating system (OS) becomes critical to best meet the requirements of each certain application. Since OS architecture and network stack protocol overhead have an effect on a node’s ability to transmit data, analytic...

A study was conducted to demonstrate a way to increase the performance (latency) of the behavioral cloning model and be able to accommodate additional computer vision task (object detection) even with a small-scale prototype (RC Car) using Jetson Nano. Microprocessor overclocking and utilization of TensorRT were done in the study to increase the pe...

Nowadays mobile phones have become indispensable, as they have been endowed with many of the capabilities that a user was able to achieve previously with the help of PCs only. Among the functions that mobile phones perform we identify audio and video calls, internet access, capture photos and videos, contactless payments, GPS and instant messaging....

Using stereo endoscopes for 3D reconstruction in minimally invasive surgery, the calibration of the stereo system is required. Since calibration in general and of medical endoscopes in particular is a well discussed topic, this publication will focus on the user experience in the operating room. To enable the medical personnel in performing the cal...

Operating Systems are built upon a set of abstractions to provide resource management and programming APIs for common functionality, such as synchronization, communication, protection, and I/O. The process abstraction is the bridge across these two aspects; unsurprisingly, research efforts pay particular attention to the process abstraction, aiming...

Autonomous vehicle platoons are a promising solution to road safety, efficient road utilization, emission reduction, among other problems facing today’s transportation industry. However, consistently maintaining the desired inter-vehicle distance is one of the major problems facing autonomous vehicle platoons. In this study, we propose a proportion...

This article presents an energy-efficient method of controlling unmanned aircraft (fixed-wing UAVs), which consists of three groups of algorithms: aerial vehicle route planning, in-flight control, and algorithms to correct the preplanned flight trajectory. All algorithms shall take into account the existence of obstacles that the UAV must avoid and...

Mobility, power, and price points often dictate that robots do not have sufficient computing power on board to run modern robot algorithms at desired rates. Cloud computing providers such as AWS, GCP, and Azure offer immense computing power on demand, but tapping into that power from a robot is non-trivial. In this paper, we present FogROS 2, an ea...

Social robotics is an emerging area that is becoming present in social spaces, by introducing autonomous social robots. Social robots offer services, perform tasks, and interact with people in such social environments, demanding more efficient and complex Human–Robot Interaction (HRI) designs. A strategy to improve HRI is to provide robots with the...

This research article proposes a novel fuzzy logic controller (FLC) for fuzzification of the standard UNIX find(1) command. The interface of the proposed ffind(1) command is more user-friendly and efficiently handles imprecise conditions. The FLC of the novel fuzzy-find (ffind(1)) shell command is written in C language and it can locate files and d...

Introduction In support of global targets to end HIV/AIDS and tuberculosis (TB) by 2030, we reviewed interventions aiming to improve TB case-detection and anti-TB treatment among people living with HIV (PLHIV) and HIV testing and antiretroviral treatment initiation among people with TB disease in low- and middle-income countries (LMICs). Methods W...

In this paper, a novel surgical robotic platform intended to assist surgeons in cervical spine surgery is presented. The purpose of this surgery is to treat cervical spine instabilities. The surgical procedure requires drilling into specific region of the vertebrae in order to attach spinal implants and ensure a normal spacing between each vertebra...

This article presents an approach to address the problem of localisation within the autonomous driving framework. In particular, this work takes advantage of the properties of polytopic Linear Parameter Varying (LPV) systems and set-based methodologies applied to Kalman filters to precisely locate both a set of landmarks and the vehicle itself. Usi...

Background: Cardiovascular disease (CVD) and type 2 diabetes mellitus (T2DM) are posing a huge burden on health care systems worldwide. Mobile apps can deliver behavior change interventions for chronic disease prevention on a large scale, but current evidence for their effectiveness is limited. Objective: This paper reported on the development and...

Developing a reliable Cyber-Physical System (CPS) requires tools and frameworks that can support various scenarios to be verified and tested under different environmental constraints. However, it is challenging to produce and synthesize a testing and verification environment for real-life scenarios to address every possible failure case. In the con...

Due to centralized storage, centralization problems are common in machine learning model training and invocation, which makes train data and trained models extremely vulnerable to tampering and stealing. A safe framework for training and invoking models called ISC-MTI (IPFS (InterPlanetary File System) and Smart Contract-Based Method for Storage an...

With the development of high-speed wireless LAN, the use of multimedia-type digital contents is increasing significantly even in the smart home environment. Therefore, it is very important to efficiently process and manage the use of digital content in the form of multimedia. In order to effectively process multimedia digital contents in the wirele...

El gran auge que tiene el mundo tecnológico ha llevado a vivir un futuro sin igual que hace unos pocos años ni siquiera podíamos imaginar. Actualmente las personas cuentan con un dispositivo inteligente, además, todo lo que se ve físicamente alrededor puede cumplir ciertos criterios tecnológicos. Lo que se tiene hoy en día va más allá de una simple...

Artificial intelligence researchers conducted different studies to reduce the spread of COVID-19. Unlike other studies, this paper isn't for early infection diagnosis, but for preventing the transmission of COVID-19 in social environments. Among the studies on this is regarding social distancing, as this method is proven to prevent COVID-19 to be t...

Neuromorphic systems open up opportunities to enlarge the explorative space for computational research. However, it is often challenging to unite efficiency and usability. This work presents the software aspects of this endeavor for the BrainScaleS-2 system, a hybrid accelerated neuromorphic hardware architecture based on physical modeling. We intr...

The availability of frameworks and applications in the robotic domain fostered in the last years a spread in the adoption of robots in daily life activities. Many of these activities include the robot teleoperation, i.e. controlling its movements remotely. Virtual Reality (VR) demonstrated its effectiveness in lowering the skill barrier for such a...

The growing interest in neurorobotics has led to a proliferation of heterogeneous neurophysiological-based applications controlling a variety of robotic devices. Although recent years have seen great advances in this technology, the integration between human neural interfaces and robotics is still limited, making evident the necessity of creating a...

O mercado das aplicações móveis tem tido um rápido crescimento, com o aumento da popularidade e procura pelos utilizadores de uma diversa gama de aplicações móveis em diversos dispositivos e plataformas móveis (Wasserman, 2010). Contudo, o desenvolvimento de uma aplicação movel é muito diferente do processo de desenvolvimento de um software, dado q...

En el presente trabajo se detalla el proceso de rediseño del robot móvil omnidireccional Hermes II, que fue desarrollado en el Laboratorio de Arquitectura de Computadoras de la FCEFyN de la UNC. Esta nueva versión, denominada Hermes III, posee el mismo sistema de locomoción omnidireccional que su antecesor e incorpora mejoras sustanciales en cuanto...

The development of new sensory and robotic technologies in recent years and the increase in the consumption of organic vegetables have allowed the generation of specific applications around precision agriculture seeking to satisfy market demand. This article analyzes the use and advantages of specific optical sensory systems for data acquisition an...