Recent Submissions

  • Evaluation of the color-based image segmentation capabilities of a compact mobile robot agent based on Google Android Smartphone 

    Martínez Lacasa, Daniel; Moreno Blanc, Javier; Font Calafell, Davinia; Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Springer International Publishing Switzerland, 2013)
    This paper presents the evaluation of the image segmentation capabilities of a mobile robot agent based on a Google Android Smartphone. The mobile agent was designed to operate autonomously in an environment inspired in a ...
  • A mobile robot agent for gas leak source detection 

    Martínez Lacasa, Daniel; Pallejà Cabrè, Tomàs; Moreno Blanc, Javier; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Font Calafell, Davinia; Pardo, Antonio; Marco, Santiago; Palacín Roca, Jordi (Springer International Publishing Switzerland, 2014)
    This paper presents an autonomous agent for gas leak source detec-tion. The main objective of the robot is to estimate the localization of the gas leak source in an indoor environment without any human intervention. The ...
  • Automatic supervision of temperature, humidity, and luminance with an Assistant Personal Robot 

    Palacín Roca, Jordi; Clotet Bellmunt, Eduard; Martínez Lacasa, Daniel; Moreno Blanc, Javier; Tresánchez Ribes, Marcel (Hindawi, 2017-10-26)
    Smart environments and Ambient Intelligence (AmI) technologies are defining the future society where energy optimization and intelligent management are essential for a sustainable advance. Mobile robotics is also making ...
  • Chemical source localization fusing concentration information in the presence of chemical background noise 

    Pomareda, Víctor; Magrans, Rudys; Jiménez Soto, Juan M.; Martínez Lacasa, Daniel; Tresánchez Ribes, Marcel; Burgués, Javier; Palacín Roca, Jordi; Marco, Santiago (MDPI, 2017)
    We present the estimation of a likelihood map for the location of the source of a chemical plume dispersed under atmospheric turbulence under uniform wind conditions. The main contribution of this work is to extend ...
  • A Proposal of a multi-agent system implementation for the control of an assistant personal robot 

    Martínez Lacasa, Daniel; Clotet Bellmunt, Eduard; Moreno Blanc, Javier; Tresánchez Ribes, Marcel; Palacín Roca, Jordi (Springer International Publishing Switzerland, 2016)
    This paper proposes a control system design for a mobile robot assistant based on a multi-agent architecture. The robotic platform used in this paper is a second generation Assistant Personal Robot (APR-02) with an own ...
  • Building a Mobile Robot for a Floor-Cleaning Operation in Domestic Environments 

    Palacín Roca, Jordi; Salse, José Antonio; Valgañón, Ignasi; Clua, Xavier (Institute of Electrical and Electronics Engineers, 2004)
    Domestic robots are one of the new industrial challenges. In this paper, a floor-cleaning robot specifically designed for this function is proposed. Aspects such as sensor placement, motor control, robot control, and ...
  • Measuring Gas Concentration and Wind Intensity in a Turbulent Wind Tunnel with a Mobile Robot 

    Martínez Lacasa, Daniel; Moreno Blanc, Javier; Tresánchez Ribes, Marcel; Clotet Bellmunt, Eduard; Jiménez Soto, Juan Manuel; Magrans, Rudys; Pardo, Antonio; Marco, Santiago; Palacín Roca, Jordi (Hindawi Publishing Corporation, 2016)
    This paper presents themeasurement of gas concentration and wind intensity performed with amobile robot in a customturbulent wind tunnel designed for experimentation with customizable wind and gas leak sources.This paper ...
  • Dynamic Compact Thermal Models With Multiple Power Sources: Application to an Ultrathin Chip Stacking Technology 

    Palacín Roca, Jordi; Salleras, Marc; Samitier, Josep; Marco, Santiago (Institute of Electrical and Electronics Engineers, 2005)
    Whereas numerical modeling using finite-element methods (FEM) can provide transient temperature distribution in the component with enough accuracy, it is of the most importance the development of compact dynamic thermal ...
  • The Effects of Coronary Occlusion Location on the RR Signal 

    Clarià Sancho, Francisco; Vallverdú, Montserrat; Caminal Magrans, Pere (Institute of Electrical and Electronics Engineers, 2002)
    In this article, we carry out the study of the energy contribution of theRRsignal in the three frequency bands (LF, MF, and HF) during PTCA. Furthermore, variables based on instantaneous frequency and on group delay ...
  • Characterization of Daytime Sleepiness by Time–Frequency Measures of EEG Signals 

    Melia, Umberto; Guaita, Marc; Vallverdú, Montserrat; Clarià Sancho, Francisco; Montserrat i Capdevila, Josep; Vilaseca, Isabel; Salamero, Manel; Gaig, Carles; Caminal Magrans, Pere; Santamaria, Joan (Springer Verlag, 2015)
    Excessive daytime sleepiness (EDS) is one of the main symptoms of several sleep-related disorders with a great impact on patient lives. While many studies have been carried out in order to assess daytime sleepiness, automatic ...
  • DNA Binding Site Characterization by Means of Rényi Entropy Measures on Nucleotide Transitions 

    Perera, Alexandre; Vallverdú, Montserrat; Clarià Sancho, Francisco; Soria, José Manuel; Caminal Magrans, Pere (Institute of Electrical and Electronics Engineers, 2008)
    —In this work, parametric information-theory measures for the characterization of binding sites in DNA are extended with the use of transitional probabilities on the sequence. We propose the use of parametric uncertainty ...
  • Project-Based Learning Example: Controlling an Educational Robotic Arm With Computer Vision 

    Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Font Calafell, Davinia; Tresánchez Ribes, Marcel; Palacín Roca, Jordi (Institute of Electrical and Electronics Engineers, 2013)
    This paper describes a project-based learning case example developed at the University of Lleida, Spain. This proposal was addressed to third-year engineering students and combines knowledge from computer vision and ...
  • A Time-Domain Method for the Analysis of Thermal Impedance Response Preserving the Convolution Form 

    Carmona, Manuel; Marco, Santiago; Palacín Roca, Jordi; Samitier, Josep (Institute of Electrical and Electronics Engineers, 1999)
    The study of the thermal behavior of complex packages as multichip modules (MCM’s) is usually carried out by measuring the so-called thermal impedance response, that is: the transient temperature after a power step. ...
  • Center-pivot automatization for agrochemical use 

    Palacín Roca, Jordi; Salse, José Antonio; Clua, Xavier; Arnó Satorra, Jaume; Blanco Ortiz, Ricardo; Zanuy, C. (Elsevier, 2005)
    This paper presents an agrochemical application system that could be incorporated into existing irrigating center-pivots. The system consisted of a hydraulic circuit with emitters, where the dose was individually controlled ...
  • The optical mouse for indoor mobile robot odometry measurement 

    Palacín Roca, Jordi; Valgañón, Ignasi; Pernia, R. (Elsevier, 2006)
    In this work the optical mouse is proposed for indoor odometry measurement in mobile robot applications. The optical mouse is a very low-cost sensor and has the advantage that the measured displacement is independent from ...
  • Sensitivity of tree volume measurement to trajectory errors from a terrestrial LIDAR scanner 

    Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Sanz Cortiella, Ricardo; Rosell Polo, Joan Ramon; Palacín Roca, Jordi (Elsevier, 2010)
    The use of terrestrial LIDARs in agriculture enables the measurement of structural parameters of the orchards such as the volume of the trees. The sequence of two-dimensional scans performed with a LIDAR attached to a ...
  • An image processing method for in-line nectarine variety verification based on the comparison of skin feature histogram vectors 

    Font Calafell, Davinia; Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Martínez Lacasa, Daniel; Moreno Blanc, Javier; Palacín Roca, Jordi (Elsevier, 2014)
    This paper presents an image processing method for in-line automatic and individual nectarine variety verification in a fruit-packing line based on the use of feature histogram vectors obtained by concatenating the ...
  • The optical mouse sensor as an incremental rotary encoder 

    Tresánchez Ribes, Marcel; Pallejà Cabrè, Tomàs; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Elsevier, 2009)
    In this paper, a new application and capabilities of the sensor of the optical mouse are presented. An inexpensive incremental rotary encoder is built based on a mechanical assembly where the sensor is at a fixed distance ...
  • Modeling floor-cleaning coverage performances of some domestic mobile robots in a reduced scenario 

    Pallejà Cabrè, Tomàs; Tresánchez Ribes, Marcel; Teixidó Cairol, Mercè; Palacín Roca, Jordi (Elsevier, 2010)
    In this paper, floor-cleaning coverage performances of some domestic mobile robots are measured, analyzed and modeled. Results obtained in a reduced scenario show that floor-cleaning coverage is complete in all cases if ...
  • Improved Multiexponential Transcient Spectroscopy By Iterative Deconvolution 

    Marco, Santiago; Palacín Roca, Jordi; Samitier, Josep (Institute of Electrical and Electronics Engineers, 2001)
    The analysis of multiexponential decays is challenging because of their complex nature. When analyzing these signals, not only the parameters, but also the orders of the models, have to be estimated. Here, we present ...

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