Year 2017

• Customization of UWB 3D-RTLS Based on the New Uncertainty Model of the AoA Ranging Technique

  Publication

  • B. Jachimczyk
  • D. Dziak
  • W. J. Kulesza

  - SENSORS - Year 2017

  The increased potential and effectiveness of Real-time Locating Systems (RTLSs) substantially influence their application spectrum. They are widely used, inter alia, in the industrial sector, healthcare, home care, and in logistic and security applications. The research aims to develop an analytical method to customize UWB-based RTLS, in order to improve their localization performance in terms of accuracy and precision. The analytical...

  Full text available to download

Year 2016

• Using the Fingerprinting Method to Customize RTLS Based on the AoA Ranging Technique

  Publication

  • B. Jachimczyk
  • D. Dziak
  • W. J. Kulesza

  - SENSORS - Year 2016

  Real-time Locating Systems (RTLSs) have the ability to precisely locate the position of things and people in real time. They are needed for security and emergency applications, but also for healthcare and home care appliances. The research aims for developing an analytical method to customize RTLSs, in order to improve localization performance in terms of precision. The proposed method is based on Angle of Arrival (AoA), a ranging...

  Full text available to download

• Wirelessly Interfacing Objects and Subjects of Healthcare System – IoT Approach

  Publication

  • D. Dziak
  • B. Jachimczyk
  • W. J. Kulesza

  - Elektronika Ir Elektrotechnika - Year 2016

  Wireless sensor networks, WSN, for which development has begun by military applications, are nowadays applied to all human activities; e.g. in medicine for patience monitoring or to reduce the effects of disasters. Therefore, the WSNs area has been also one of the emerging and fast growing scientific fields. Increasing interest of WSNs is even caused by equally intense growth of interest in the Internet of Things domain, IoT, in...

  Full text available to download

Year 2015

• Performance improvement of NN based RTLS by customization of NN structure - heuristic approach

  Publication

  • B. Jachimczyk
  • D. Dziak
  • W. Kulesza

  - Year 2015

  The purpose of this research is to improve performance of the Hybrid Scene Analysis – Neural Network indoor localization algorithm applied in Real-time Locating System, RTLS. A properly customized structure of Neural Network and training algorithms for specific operating environment will enhance the system’s performance in terms of localization accuracy and precision. Due to nonlinearity and model complexity, a heuristic analysis...

  Full text to download in external service

Year 2014

• E-Technologies in Teaching Research Methodology for Engineers – a Case Study of the Course for International Postgraduate Students

  Publication

  • W. Kulesza
  • B. Jachimczyk
  • D. Dziak

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2014

  The Research Methodology course for postgraduate students is challenging, even for an experienced academic teacher. The primary objective of this course is to prepare participants to conduct scientific research and publish the results. This case study presents an original teaching method applied to Research Methodology with Emphasis on Engineering Science, for international engineering students at...

  Full text available to download

Year 2013

• An Analysis of Uncertainty and Robustness of Waterjet Machine Positioning Vision System

  Publication

  • D. Dziak
  • B. Jachimczyk
  • W. Kulesza

  - Elektronika Ir Elektrotechnika - Year 2013

  The paper presents a new Automatic Waterjet Positioning Vision System (AWPVS) and investigates components of workpiece positioning accuracy. The main purpose of AWPVS is to precisely identify the position and rotation of a workpiece placed on a waterjet machine table. Two webcams form a basis for the system, and constitute its characteristics. The proposed algorithm comprises various image processing techniques to assure a required...

  Full text available to download

• Performance analysis of an rfid-based 3d indoor positioning system combining scene analysis and neural network methods

  Publication

  • B. Jachimczyk
  • D. Dziak
  • W. Kulesza

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Year 2013

  The main purpose of this research is to improve localization accuracy of an active Radio Frequency Identification, RFID tag, in 3D indoor space. The paper presents a new RFID based 3D Indoor Positioning System which shows performance improvement. The proposed positioning system combines two methods: the Scene Analysis technique and Artificial Neural Network. The results of both simulation using Log-Distance Path Loss Model and...

  Full text available to download

• Wpływ automatycznej kalibracji wizyjnego systemu pozycjonowania na dokładność lokalizacji elementu roboczego

  Publication

  • D. Dziak
  • B. Jachimczyk

  - Poznan University of Technology Academic Journals. Electrical Engineering - Year 2013

  W artykule przedstawiono strukturę i działanie automatycznego wizyjnego systemu pozycjonowania (PVS), który został zainstalowany na maszynie waterjet (WJ). Ponadto przeprowadzono analizę wpływu kalibracji na działanie PVS. Podstawę systemu stanowią dwie kamery internetowe zamontowane na przemysłowej maszynie WJ. W połączeniu z algorytmem identyfikacji, system przeznaczony jest do pozycjonowania WJ z dużą dokładnością. W tym celu...

  Full text available to download