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Ara es mostren els items 18-23 de 23

    • Report on RICE-GUARD Market Requirements and Preliminary System Specifications 

      KATSANTONIS, Dimitris; DRAMALIS, Christos; Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; López Lapeña, Oscar; PUIGDOLLERS, Pau; PEREIRAS, Jaime (2013-12-20)
      Report de recerca
      Accés obert
      This report outlines the work carried out as part of the EC-funded project called RICE-GUARD. The project concerns the development of a novel in-field system which is going to be capable of continuously monitoring weather ...

    • Software y hardware del C8XC251 : problemas 

      Ramos Lara, Rafael Ramón; López Lapeña, Oscar; Matas Alcalá, José (Edicions UPC, 2001)
      Llibre
      Accés restringit a la comunitat UPC
      El objetivo fundamental de esta obra es facilitar el aprendizaje a los estudiantes que realicen un curso de sistemas basados en microcontroladores, en particular los de la familia MCS-251 de Intel Corporation. Con esta ...

    • Solar energy radiation measurement with a low–power solar energy harvester 

      López Lapeña, Oscar; Pallàs-Areny, Ramon (2018-08-01)
      Article
      Accés obert
      Solar energy radiation measurements are essential in precision agriculture and forest monitoring and can be readily performed by attaching commercial pyranometers to autonomous sensor nodes. However this solution significantly ...

    • Technical specifications and system architecture of a compact weather station for rice blast field study 

      Pallàs-Areny, Ramon; Casas Piedrafita, Óscar; López Lapeña, Oscar; Hornero Ocaña, Gemma; Serrano Finetti, Roberto Ernesto; Quílez Figuerola, Marcos; Polo Cantero, José; Cuadras Tomàs, Àngel; PEREIRAS, Jaime; PUIGDOLLERS, Pau (2014-03-17)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This report describes the work carried out as part of an EC-funded project called RICE-GUARD, which is developing a novel rice blast prediction tool based on an in-field wireless sensor network. Existing systems for ...

    • Time-Division Multiplexing Control of Multi-Input Converters for Low-Power Solar Energy Harvesters 

      López Lapeña, Oscar (Institute of Electrical and Electronics Engineers (IEEE), 2018-03-29)
      Article
      Accés obert
      Many autonomous sensor nodes use small photovoltaic (PV) panels oriented towards the direction that provides the highest energy yield in the worst-case scenario. Since all those panels operate at similar irradiance and ...

    • Time-division multiplexing for power and data transmission on optical fibers 

      López Lapeña, Oscar; Polo Cantero, José (Institute of Electrical and Electronics Engineers (IEEE), 2022-09-15)
      Article
      Accés obert
      Internet of Things (IoT) raises the interconnectionof low-cost sensor nodes networks everywhere even in harsh environments where conventional power supply systems and communication channels are not feasible. Power over ...