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3rd International Conference on Information Technology and Nanotechnology (ITNT)

作者： Kovartsev, Alexandr Zhidchenko, Victor Samara Natl Res Univ 34 Moskovskoe Shosse Samara 443086 Russia

Tethered satellite systems (TSS) are characterized by uneven distribution of mass and environment parameters in space. As a result the use of mathematical models with distributed parameters is required. This kind of systems is described by the differential equations with complex boundary conditions. The complexity of the boundary conditions is caused by the presence of the end-bodies that perform spatial fluctuations, and by the variable length of the tether. Computer simulation of TSS motion takes a long time. This paper presents a parallel algorithm for motion simulation of the TSS and representation of this algorithm in the form of a graph model in graph-symbolic programming technology. The speedup of a parallel program that implements the proposed algorithm is evaluated for shared memory and distributed memory computer systems. This evaluation is compared with the results of experiments made on computer cluster. The advantages of using graph models of algorithms for modeling the motion of the TSS are discussed. (C) 2017 The Authors. Published by Elsevier Ltd.

关键词： Parallel Computing Tethered Satellite Systems Simulation visual programming

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Virtual commissioning of automated micro-optical assembly

Virtual commissioning of automated micro-optical assembly

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Conference on Components and Packaging for Laser Systems

作者： Schlette, Christian Losch, Daniel Haag, Sebastian Zontar, Daniel Rosmann, Juergen Brecher, Christian Rhein Westfal TH Aachen Inst Man Machine Interact MMI Aachen Germany Fraunhofer Inst Prod Technol IPT Aachen Germany

ISBN: (纸本)9781628414363

In this contribution, we present a novel approach to enable virtual commissioning for process developers in microoptical assembly. Our approach aims at supporting micro-optics experts to effectively develop assisted or fully automated assembly solutions without detailed prior experience in programming while at the same time enabling them to easily implement their own libraries of expert schemes and algorithms for handling optical components. Virtual commissioning is enabled by a 3D simulation and visualization system in which the functionalities and properties of automated systems are modeled, simulated and controlled based on multi-agent systems. For process development, our approach supports event-, state- and time-based visual programming techniques for the agents and allows for their kinematic motion simulation in combination with looped-in simulation results for the optical components. First results have been achieved for simply switching the agents to command the real hardware setup after successful process implementation and validation in the virtual environment. We evaluated and adapted our system to meet the requirements set by industrial partners laser manufacturers as well as hardware suppliers of assembly platforms. The concept is applied to the automated assembly of optical components for optically pumped semiconductor lasers and positioning of optical components for beam-shaping.

关键词： Micro-optical assembly virtual commissioning assembly simulation visual programming

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HTML5 visual Composition of REST-like Web Services

HTML5 Visual Composition of REST-like Web Services

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4th IEEE International Conference on Software Engineering and Service Science (ICSESS)

作者： Marino, Enrico Spini, Federico Paoluzzi, Alberto Minuti, Fabrizio Rosina, Maurizio Bottaro, Antonio Univ Roma Tre Dip Informat & Automaz Rome Italy SOGEI Spa RIERIS Ric Sviluppo Rome Italy

ISBN: (纸本)9781467350006

In this paper we discuss a visual programming environment for the composition of services based on dataflow paradigm. This approach, strongly oriented towards web technologies, aims to offer the corporate application designer an integrated set of very high-level tools to design and test new services via functional composition of already available ones. The user experience is a mixture of (a) graphical actions and choices, for example the drag and drop of graphical widgets and the connection of input-output links, and of (b) interface coding, via the textual specification of the translation logic of data object types flowing through the input/output interfaces of the composed services. The new environment, named VisProSL (visual programming Service-Link), capitalizes on a standardized JSON syntax of exchanged data objects, is oriented to REST services, and makes use of a basic layer that provides the visual generation of interfaces towards location services.

关键词： Web services hypermedia markup languages visual programming

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Discovering Individual and Collaborative Problem-Solving Modes with Hidden Markov Models 17th

Discovering Individual and Collaborative Problem-Solving Mod...

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17th International Conference on Artificial Intelligence in Education (AIED)

作者： Rodriguez, Fernando J. Boyer, Kristy Elizabeth N Carolina State Univ Dept Comp Sci Raleigh NC 27695 USA

ISBN: (纸本)9783319197739;9783319197722

Supporting students during learning tasks is the main goal of intelligent tutoring systems, and the most effective systems can adapt to students based on a model of their current state of knowledge or their problem-solving actions. Most tutoring systems focus on individual students, but there is growing interest in supporting student pairs. However, modeling student pairs involves considerations that may differ from individual students. This paper reports on hidden Markov models (HMMs) of student interactions within a visual programming environment. We compare HMMs for individual students to those of student pairs and examine the different approaches the students take. The resulting models suggest that there are some important differences across both conditions. There is potential for using these models to predict problem-solving modes and support adaptive tutoring for collaboration in problem-solving domains.

关键词： Collaboration Hidden markov models Pair programming visual programming

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Scratch-Style Relational Algebra and Calculus

Scratch-Style Relational Algebra and Calculus

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International Conference on Computational Science and Computational Intelligence (CSCI)

作者： Meston, Levi Kawash, Jalal Univ Calgary Dept Comp Sci Calgary AB Canada

ISBN: (纸本)9781665458412

This paper presents BRVCE, a Blockly-based, tile-based [11] environment to develop relational alge- bra and relational calculus queries. The tool runs in a browser, works with any database schema, and generates equivalent SQL code to the theoretical query. Specifically, the paper presents the tool's tile-based interface and its compilers. The compilers optimize relational algebra and calculus expressions that correspond to the visual query and translate them to SQL. The grammars utilized by these compilers and the translation rules are presented. BRVCE is intended to be an educational tool that tackles the previously reported challenges with teaching and learning theoretical query languages.

关键词： visual programming Tile-Based programming Tools for Education Databases Relational Algebra Relational Calculus SQL

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GRAPHICAL OBJECT ORIENTED EXECUTABLE SPECIFICATION FOR AN AUTOMATION ORIENTED PARADIGM OF SOFTWARE-DEVELOPMENT 1st

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INTERNATIONAL SYMP ON DESIGN AND IMPLEMENTATION OF SYMBOLIC COMPUTATION SYSTEMS ( DISCO 90 )

作者： RUSSI, V ZOMPI, R Olivetti Systems & Networks Standard Platform Division Case Technology Group Via Jervis 77 Ivrea Torino 10015 Italy

ISBN: (纸本)3540525319

This paper presents PROTOB, an object-oriented CASE system based on high level Petri nets called PROT nets. It consists of several tools supporting object oriented specification, symbolic computation, code generation within the framework of an automation oriented software life cycle paradigm. As its major application area it addresses distributed systems, such as real-time embedded systems, communication protocols and manufacturing control systems. © Springer-Verlag Berlin Heidelberg 1990.

关键词： Automation oriented software process Executable specification Object-oriented design Petri nets PROT nets Rapid prototyping Real-time distributed systems Symbolic computation visual programming

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A circuit board approach to building web applications

A circuit board approach to building web applications

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IASTED International Conference on Internet and Multimedia Systems and Applications

作者： Avoyan, H Mehrabyan, A Amer Univ Armenia 40 Baghramyan Ave Yerevan Armenia

ISBN: (纸本)0889865647

[1] The Buildap (formerly known as VSCB visual Software Circuit Board) platform supports a component based development methodology towards the development of software systems. The circuit board design techniques and methodologies, which have evolved for electronic device and component engineering for decades, now applied for software systems and applications, makes the component based development process easy to visualize and comprehend. This paper describes the Buildap component based approach for well-known PetStore web application development. [2] The PetStore is a reference application from the Java Enterprise Blueprints program, supported by Sun Microsystems. PetStore becomes the standard way for evaluation of different technologies. PetStore implementations are available in number of technologies and frameworks, including J2EE and Net.

关键词： rapid application development visual programming web engineering quick prototyping component based development component library visual circuit based software development

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A method of creating personae for children with autism spectrum condition: application and revision

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JOURNAL OF ENABLING TECHNOLOGIES 2019年第2期13卷 112-122页

作者： Zubair, Misbahu S. Brown, David Hughes-Roberts, Thomas Bates, Matthew Nottingham Trent Univ Sch Sci & Technol Nottingham England Bayero Univ Dept Software Engn Kano Nigeria

Purpose Personae are simple tools for describing users, their characteristics and their goals. They are valuable tools when designing for a specific group of users, such as children with autism spectrum condition (ASC). The purpose of this paper is to propose, validate and revise a methodology for creating accurate, data grounded personae for children with ASC. Design/methodology/approach The proposed method is based mainly on Cooper et al.'s (2007) persona construction method. It proposes gathering and analysing qualitative data from users and experts to either create a new persona or extend an existing one. The method is then applied to create personae for the design of a visual programming tool for children with ASC. Based on the results of the application, observations and lessons learnt, a revised version of the method is proposed. Findings The method's combined use of user data and expert knowledge produced a set of personae that have been well reviewed by experts so far. The method's use of a questionnaire to validate personae also produced relevant qualitative feedback. On review, possible downsides of extending existing personae were identified. Therefore, a revised method was introduced, eliminating the need to extend existing personae, and stressing the importance of utilising user data, expert knowledge and feedback. Originality/value This paper addresses the need for a well-defined method for creating data grounded personae that accurately describe the characteristics and goals of children with ASC. Such personae can be used to design and develop more accessible and usable products.

关键词： Autism Accessibility Usability User modelling Persona visual programming

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Prototyping Framework for Parallel Numerical Computations 1

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10th International Conference on Parallel Processing and Applied Mathematics (PPAM)

作者： Meca, Ondrej Boehm, Stanislav Behalek, Marek Surkovsky, Martin FEI VSB Tech Univ Ostrava Dept Comp Sci Ostrava Czech Republic

ISBN: (数字)9783642551956

ISBN: (纸本)9783642551956

Our research is focused on the simplification of parallel programming for distributed memory systems. Our goal is to build a unifying framework for creating, debugging, profiling, and verifying parallel applications. The result of this effort is an open source tool Kaira. In this paper, we focus on prototyping of parallel applications. We have extended Kaira by the ability to generate parallel libraries. More precisely, we present a framework for fast prototyping of parallel numerical computations. We demonstrate our idea on a combination of parallel libraries generated by our tool Kaira and GNU Octave. Hence, a user can verify the idea in a short time, create a real running program and verify its performance and scalability.

关键词： Prototyping Parallel computing visual programming Libraries

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Motion Planning of the Cooperative Robot with visual Markers

Motion Planning of the Cooperative Robot with Visual Markers

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International Conference on Automation (AUTOMATION)

作者： Splawski, Michal Staszak, Rafal Jarecki, Filip Chudzinski, Jakub Kaczmarek, Piotr Drapikowski, Pawel Belter, Dominik Poznan Univ Tech Inst Control Robot & Informat Engn Poznan Poland AS Adrian Stern Wilczak 45-47 PL-61623 Poznan Poland

ISBN: (纸本)9783030409715;9783030409708

In recent years numerous robotic solutions have been developed to improve production processes. However, most of the robotic arms are applied in large factories where they perform repetitive tasks supporting mass production. The complexity of programming and adapting robots for changing production is still a barrier for the application of robot arms in flexible and small-scale production. In this paper, we present the system which allows programming the robot using visual cameras and a set of visual markers. We develop a method for flexible motion planning for the cooperative robot to quickly define the trajectory of the robot in the 3D space. We present the architecture of the system, calibration method and the performance of the system. We also show how to significantly improve the detection range of the visual markers using Convolutional Neural Networks for object detection.

关键词： Motion planning Cooperative robot visual programming

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