Luis Ruiz-Garcia

Luis Ruiz-Garcia
Universidad Politécnica de Madrid | UPM · Agroforestry Engineering Department

PhD in Agricultural Engineering

About

64
Publications
31,686
Reads
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3,484
Citations
Citations since 2016
16 Research Items
2576 Citations
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500

Publications

Publications (64)
Article
Achieving sustainable urban development requires a reorientation in the planning, management, and design of cities based on the use of cross-cutting solutions that can systematically address urban problems. The implementation of Nature-based Solutions (NBS) such as green walls in cities contributes to reducing the effects of a systemic issue: clima...
Article
Full-text available
Global food trade has become an increasingly crucial element for feeding the world's population. Enhancing bilateral or multilateral trust in food safety in international food trade is not only important for promoting the sustainable development of trade but is also beneficial for cooperation when facing a global food crisis. However, highly credib...
Article
Background Food safety has garnered much worldwide attention recently for reasons that are, unfortunately, not always positive. Traceability system (TS) is designed to assure safe and good quality food, while reducing the costs of food recalls. It should encompass all stakeholders, including governments, companies, and consumers, each of whom has a...
Article
In Europe, around 12 million ha are cultivated with barley and Spain and Italy are two important producers' countries. This study aims to compare the cultivation of barley of two different contexts, Spain and Italy, evaluating the related environmental performances; this is carried out considering the similar latitude and climatic conditions of the...
Article
The Life-Cycle Assessment (LCA) is a standard approach for evaluating the environmental impacts of products and processes. This paper presents the LCA of Living Wall Systems (LWS), a new technology for greening the building envelope and improve sustainability. Impacts of manufacture, operation, and use of the systems selected, were evaluated throug...
Article
Sustainable development challenges are increasingly concentrated in urban areas. In the European Union (EU), cities are expanding their urban green infrastructure (UGI) to reduce the effects of climate change and enhance resilience and sustainability. However, there exist few articles showing local case studies in intermediate cities of Europe. The...
Article
The City of Queretaro is located in a semi-arid region that receives an elevated annual solar radiation (2200 kWh/m² in AVG) with high UV factor indices (6+ in AVG) and a low rainfall accumulated throughout the year (550 mm in AVG), which represents a serious problem that affects the environment, buildings and finally people. The aim of this work i...
Article
This study proposed an integrated approach to evaluate the efficiency of forced-air cooling of apples stacked on pallets. Computational fluid dynamics (CFD) modeling was used to evaluate the cooling rate, uniformity, moisture loss, and energy consumption during precooling of apples. Experiments were conducted to quantify the incidence of chilling i...
Article
Current global food supply chains are faced with an ever increasing variety of modern day societal challenges. As a direct result of these challenges many of these supply chains are operating in a “below ideal” state, resulting in approximately one third of the food produced for human consumption being wasted across the globe. A key contributory fa...
Chapter
In order to improve and optimize food traceability, it is highly recommended to start implementing a real-time tracking and remote monitoring at some stage. Wireless sensor technologies have been proven of high value due to their remote communications when retrieving data was not possible in a traditional way. The implementations of the Internet of...
Article
Food industry is currently using thermal imaging to measure temperature of fresh produce, but there is no comparative study between temperatures measured traditionally by temperature probes and the temperatures measured by thermal imaging reported in the literature. This paper is exploring the possibility to use surface temperature measured by infr...
Article
India is the second largest producer of fruit and vegetables in the world. Fruit production in India has increased 89% in the last decade. In the present paper It is exposed the necessity for a proper traceability in the Indian food industry, because the sector is demanding an adequate system due to the precarious nature of existing supply chain, a...
Article
Full-text available
The inability to correctly implement and safeguard a product cold chain leads to premature product spoilage and increased product waste. Special care is required to both implement and monitor the cold chain for perishable goods in order to preserve them. Many technologies are available on the market today with varying levels of success. This articl...
Article
In this work, we study how different air-inflow velocities affect the apple-temperature distribution during forced-convection cooling of individual apples by simultaneously modeling airflow and heat transfer. In general, an increase in airflow velocity increases the cooling rate and heat transfer fluxes across the apple surface and decreases coolin...
Article
Current traceability systems are characterized by the inability to link food chains records, inaccuracy and errors in records and delays in obtaining essential data, which are fundamental in case of food outbreak disease; these systems should address the recall and withdraw of non-consumable products. The present paper provides a review of the vari...
Article
Full-text available
Every day, millions of tons of temperature-sensitive goods are produced, transported, stored or distributed worldwide, thus making their temperature and humidity control essential. Quality control and monitoring of goods during the cold chain is an increasing concern for producers, suppliers, logistic decision makers and consumers. In this paper we...
Article
Wireless Sensor Networks (WSN) and Radio Frequency Identification (RFID) are two wireless technologies that are being used for cold chain monitoring and tracking. Several applications in this field have been reported in the last few years. However, there are no studies about the the dynamic behavior of this hardware and how this affects the measure...
Article
The development of screening methodologies for a rapid identification of crops contaminated with aflatoxin is of great interest to agro-food industry. The objective of this work was to develop an image algorithm able to identify bright greenish yellow fluorescence (BGYF) on pistachio nuts and cashews. Previous researchers established that the prese...
Article
This paper reports the development of image processing methods for the detection of superficial changes related to quality deterioration in ready-to-use (RTU) leafy spinach during storage. The experiment was performed on spinach leaves stored at 4.5 °C for 21 days (Set 1) and at 10 °C for 9 days (Set 2). Regarding Set 1, 75 units were evaluated beg...
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The objective of this research was to develop an off-line artificial vision system to automatically detect defective eggshells, i.e., dirty or cracked eggshells, by employing multispectral images with the final purpose of adapting the system to an on-line grading machine. In particular, this work was focused on studying the feasibility of identifyi...
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The monitoring of spatial profiles of a physical property such as temperature becomes feasible with the decreasing cost of wireless sensor nodes. But to obtain a temperature value for each point in space, it is necessary to interpolate between the existing sensor positions. Accurate spatial temperature supervision is a crucial precondition for main...
Article
The recent advances in RFID offer vast opportunities for research, development and innovation in agriculture. The aim of this paper is to give readers a comprehensive view of current applications and new possibilities, but also explain the limitations and challenges of this technology.RFID has been used for years in animal identification and tracki...
Article
Solar dryers are increasingly used in developing countries as an alternative to drying in open air, however the inherent variability of the drying conditions during day and along year drive the need for achieving low cost sensors that would enable to characterize the drying process and to react accordingly. This paper provides three different and c...
Article
RFID is entering in a new phase. RFID technologies are said to improve the performance of many agricultural processes. Recent advances offer vast opportunities for research, development and innovation in Agriculture. This is the consequence of lowering costs of ownership, engineering increasingly smaller sensing devices and the achievements in radi...
Article
Computers and Electronics in Agriculture j o u r n a l h o m e p a g e : w w w . e l s e v i e r . c o m / l o c a t e / c o m p a g a b s t r a c t This review covers developments in non-invasive techniques for quality analysis and inspection of spe-cialty crops, mainly fresh fruits and vegetables, over the past decade up to the year 2010. Present...
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Quality control and monitoring of perishable goods during transportation and delivery services is an increasing concern for producers, suppliers, transport decision makers and consumers. The major challenge is to ensure a continuous ‘cold chain’ from producer to consumer in order to guaranty prime condition of goods. In this framework, the suitabil...
Chapter
The use of RFID in cold chain monitoring provides new features that have the potential to be an economically viable. RFID and sensor technology is evolving rapidly and enabling greater capabilities at lower costs. The value of technology can be best realized when integrated with decision support systems. Also improving operations by providing early...
Article
There is an increasing demand of traceability in the food chain, statutory requirements are growing stricter and there is increasing pressure to develop standardized traceability systems. Each event in the chain, like production of transportation, packing, distribution or processing results in a different product which can have its own information...
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The aim of the present paper is to review the technical and scientific state of the art of wireless sensor technologies and standards for wireless communications in the Agri-Food sector. These technologies are very promising in several fields such as environmental monitoring, precision agriculture, cold chain control or traceability. The paper focu...
Article
Full-text available
Perishable food products are at risk of suffering various damages along the cold chain. The parties involved should control and monitor the conditions of goods in order to ensure their quality for consumers and to comply with all legal requirements. Among environmental parameters during transport, temperature is the most important in prolonging the...
Article
Full-text available
Los productos alimentarios perecederos tales como hortalizas, frutas, carne o pescado requieren transporte refrigerado. El control de la calidad y supervisión de los productos durante su transporte y distribución es de gran importancia, siendo el mayor reto asegurar una cadena de frio continua desde el productor hasta el consumidor. Entre las difer...
Article
Full-text available
Los productos alimentarios perecederos tales como hortalizas, frutas, carne o pescado requieren transporte refrigerado. El control de la calidad y supervisión de los productos durante su transporte y distribución es de gran importancia para los operadores logísticos, donde el mayor reto es asegurar una cadena de frio continua desde el productor has...
Article
Full-text available
Progress in fruit logistics requires an increasing number of measurements to be performed in refrigerated chambers and during transport. Fruits and vegetables are submitted to a variety of risks during transport and storage that are responsible for material quality losses. Among them water loss and condensation are causes of deterioration that redu...
Article
Progress in fruit logistics requires an increasing number of measurements to be performed in refrigerated chambers and during transport. Wireless sensor networks (WSN) are a promising solution in this field. This paper explores the potential of wireless sensor technology for monitoring fruit storage and transport conditions. It focuses in particula...
Article
Full-text available
Perishable food products are at risk of suffering various damages along the cold chain. The parties involved should control and monitor the conditions of goods in order to ensure their quality for consumers and to comply with all legal requirements. Among environmental parameters during transport, temperature is the most important in prolonging the...
Article
Full-text available
CAN-based monitoring in refrigerated transports
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La nueva gama de tractores Valtra presenta como novedad sobresaliente las nuevas transmisiones poweshift y CVT (transmisión variable continua). Este último sistema de transmisión, junto con la transmisión CVT que montan los tractores Fendt, representa el segundo de este tipo en los tractores del grupo Agco. Actualmente, Valtra es el fabricante de t...
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AGCO presenta en Helsinkin los nuevos motores Sisu Power de 7 cilindros
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Most of the fruit in Europe is transported by road, but the saturation of the major arteries, the increased demand for freight transport, and environmental concerns all indicate there is a need to change this means of transport. A combination of transport modes using universal containers is one of the solutions proposed: this is known as intermodal...
Article
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A thermal study of a container for international transport has been carried out in order to determine the temperature distributions. Several experimental conditions such as cooling modes, the onset of defrosting, the existence of cargo inside the container and two varying set points have been evaluated. It was observed that the difference between t...
Article
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El Centro de Formación de John Deere en Toledo ha sido el lugar elegido pana la realización de los ensayos de campo con el sistema AutoTrac de guiado automático. Los resultados muestran la eficacia del sistema y la importancia que cobran operaciones como la regulación del apero para que el sistema ofrezca los resultados requeridos para trabajos de...
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Se entiende como "comunicación digital" la transmisión de señales mediante un tren de pulsos. El término "comunicación inalámbrica" se utiliza en el ámbito de las tecnologías de la información y de la comunicación para referirse a los sistemas en donde diferentes aparatos se comunican entre sí sin cables, utilizando para ello ondas radioeléctricas...
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La Sociedad Europea de Ingeniería Agronómica (EurAgEng) concedió, en su congreso de 2004, el Premio UNACOMA de prospección científica a nueve investigadores de la Universidad Politécnica de Madrid. Este premio, patrocinado por la asociación de fabricantes de maquinaria agrícola italiana, promueve la búsqueda de respuestas a dos cuestiones fundament...
Article
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El presente articulo pretende fijar y determinar de modo preciso las características que debe tener y los requerimientos que debe cumplir una ECU que supervise el transporte de frutas y hortalizas en contenedores de transporte internacional.
Article
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El transporte de mercancías se realiza sobre producto paletizado existiendo distintos tipos de bases paletizables: Europalet P8 (1000 X 800), palet PÍO (1200X 1000 mm), CHEP (Commonwealth Handling Equipment Pool 1160 X 1160 mm) y el palet australiano o AUF (1100 X 1100 mm); la Tabla 1resume la capacidad de los distintos contenedores empleados en va...
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A forecast view of agricultural production is outlined inside a new type ofbuilding with photosynthetic walls and in vitro culture inside it. Recent advances in genetic engineering, nanoelectronics, biosensors and bionic building will make this futuristic type of greenhouse possible.
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Wireless sensing technologies allow continuous monitoring of physical parameters that influence the preservation of fruit and vegetables in cold storage, while the smart sensor concept refers to the incorporation of improved prediction capabilities on standard low cost transducers as to enhance quality assurance of stored commodities while reducing...
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Full-text available
Progress in fruit logistics requires an increasing number of measurements to be performed in refrigerated chambers and during transport. Wireless sensor networks are a promising solution in this field. This paper explores the potential of this technology for monitoring fruit storage and transport conditions. It focuses in particular on ZigBee techn...
Article
Full-text available
Investigadores de la Universidad Politécnica de Madrid (UPM) y de la Universidad de Bremen (Alemania) trabajan conjuntamente en la supervisión y control de transportes frigoríficos y así poder asegurar la trazabilidad de los productos alimentarios hasta los consumidores.
Article
Nella fienagione è importante gestire correttamente le macchine utilizzate perché, anche se evidentemente non possono migliorare le caratteristiche di un prodotto che già in partenza è scadente, rivestono comunque un ruolo rilevante nel preservare le qualità originarie del foraggio, soprattutto dal punto di vista nutrizionale. In particolare, il ta...
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Full-text available
Multi-distributed supervision of wood in solar dryers is carried out by means of high performance low cost ambient sensors. An experimental dryer of 0.3 m 3 is used for testing the proposed instrumentation mainly based on thermocouples and SENSIRION TM which are combined with the psychometric model defined by ASABE in order to assess the amount of...
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En este trabajo, hemos realizado diversos ensayos con el objetivo de caracterizar un contenedor de transporte internacional reefer 20'. Los experimentos han consistido en realizar mediciones de la variación de temperatura en el interior del contenedor, utilizando el equipo de frío en los modos de funcionamiento en continuo y discontinuo. Además, he...

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