International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada / A programmable RF ASIC is described which provides most of the RF functions within a next generation S-band transponder for space applications. The unique 18-contact LCC device can be programmed to perform a variety of RF and analog functions. This single space qualified high speed bipolar "function toolbox" is used in 39 locations throughout the transponder to provide a flexible radio architecture. The ASIC design process, internal electrical design, circuit application, space environment performance, and RF testing of the RF ASIC are described. This proprietary part provides a space-qualified solution for RF circuitry that can be applied to a variety of space application products.

Temperature is the most important among several factors that are needed for optimum avian embryonic development during incubation. Previous studies have implied that incubation temperature may have an impact on chick quality and post hatch performance. The use and accuracy of different methodologies for the estimation of embryonic temperature and eggshell conductance values during incubation were determined in three trials. Results suggested that air cell temperature using transponders may be used for the estimation of embryo temperature from 12 through 19 days of incubation and the subsequent calculation of eggshell conductance and specific eggshell conductance values. A final trial was conducted to further substantiate the estimation of embryo temperature using air cell readings by implanting probes alongside transponders in the air cell. It was determined that further modifications are needed to perfect this particular method.

Avian embryonic development, hatchability, and post-hatch performance are greatly affected by temperature. Therefore, a pragmatic, minimally invasive, and industrially applicable method for the precise and accurate measurement of embryonic temperature is needed. The objective of this research was to develop such a method. Preliminary research concerning air cell depth profiles and the relationships of eggshell thickness to thermal gradients across the shells of broiler hatching eggs were determined. This provided information for appropriately positioning and timing wired thermistor probe insertion into egg air cells for the practical and accurate estimation of embryo temperature. The relationship between air cell temperature readings using transponders and wired thermistor probe network assemblies were likewise determined. Embryo temperature estimation using probes was shown to be a satisfactory, but their depth should be adjusted daily by 0.042 cm after Day 12 of incubation in order to mirror transponder temperature readings.

International Telemetering Conference Proceedings / October 25-28, 1999 / Riviera Hotel and Convention Center, Las Vegas, Nevada / The loss of radio frequency (RF) spectrum for use in testing has steadily increased the likelihood that users of the few remaining frequencies available to test ranges will experience scheduling conflicts and interference with nontest users. A gradual increase in the base of test customers engaged in scientific, military, and commercial R&D, point toward a near term situation in which more test customers will be competing for fewer frequencies. The test ranges, often operating in close geographical proximity with other communications-intensive functions as well as with each other, will also encounter increasing out-of-band and adjacent-channel interference. This projected growth of R&Drelated testing constrained to operate in a diminished RF spectrum (and a more confined test space), will undoubtedly stimulate the development of new products that make more efficient use of the RF spectrum. This paper describes one such innovative approach to spectrum sharing. The authors assess the operational need for an affordable miniaturized avionics instrument package based on a C-band radar transponder integrated with a Global Positioning System/Inertial Measurement Unit (GPS/IMU). The proposed approach would make use of frequencies already allocated for use by existing C-band aeronautical transponders. It would augment the format of the transponder output data to include the vehicle position obtained from an onboard GPS/IMU. Existing range instrumentation radars, such as the venerable AN/FPS-16, could be modified with lowcost upgrade kits to provide uniformly higher accuracy over the entire transponder coverage range.

Observing seafloor crustal deformation is often composed of acoustic ranging and GPS positioning techniques, which involves positioning of a single seabed transponder. Generally, the positional uncertainty of the seabed transponder is evaluated in terms of the slant range residuals. In order to further verify the relative positioning accuracy between seabed transponders, this study designed and fabricated a transponder lander. Three transponders were mounted on the lander to form a triangle with sides 1.505, 1.505 and 1.160 m. In addition, a data acquisition and logging system is developed to collect the lander¡¦s attitude, including pitch, roll, heading, and accelerations in three orthogonal axes. A field experiment to verify the relative positioning accuracy between seabed transponders was carried out off the coast of Kaohsiung Harbor, Taiwan. The transponder lander was deployed on the seabed at a water depth of about 300 m. Based on the attitude data collected by the logging system, the heading, pitch and roll of the transponder lander on the seabed are 123.5 degrees, 0.63 degrees and 0.62 degrees, respectively. A vessel was sailed along predetermined paths to collect observations of GPS and acoustic slant range. Then, an optimization technique combined with ray tracing method was used to estimate the positions of three transponders. The position estimates of the three transponders form a triangle with sides 1.533, 1.518 and 1.184 m, which shows that, comparing with the true values, the relative positioning error between transponders is less than 3 cm. Furthermore, based on the estimates of the transponder positions, the heading, pitch and roll of the transponder lander are calculated as 120.45 degrees, 6.43 degrees and 2.51 degrees, respectively, which are in good agreement with that measured by the attitude logging system. The experimental and evaluation results indicate that the optimization technique along with the ray tracing method is practical for precisely estimating the transponder position.

Zugl.: Clausthal, Techn. Univ., Diss.

Zugl.: Dresden, Techn. Univ., Diss., 2009

Chemnitz, Techn. Univ., Diss., 2008

A alimentação humana é o tema mais relevante nas pautas do mundo todo, em que a necessidade de segurança alimentar e a preocupação dos consumidores a respeito do produto consumido levou à visão da necessidade de garantir a sanidade, a qualidade e a procedência do produto. Com o aumento do poder da computação a um custo flexível, técnicas de processamento digital e a sistemas de instrumentação eletrônica vêem se moldando a produção animal com o objetivo de otimizar a criação. Mostra-se hoje uma significativa importância da identificação eletrônica animal como uma ferramenta para a rastreabilidade dos animais produzidos comercialmente. O objetivo do presente projeto foi avaliar a viabilidade técnica de um sistema de identificação eletrônica com tecnologia RFID para identificação de suínos do ponto de vista eletrônico e zootécnico, avaliando a eficiência do uso da identificação com dispositivos eletrônicos, acoplados a brincos de diferentes modelos, facilidades de aplicação e permanência no animal. Foram avaliadas a eficiência do dispositivo quanto à sua disposição no animal e teste do equipamento desenvolvido em um grupo de leitões. Foram realizados protótipos de 6 tipos diferentes de brincos eletrônicos, e verificada a eficiência em laboratório e nos animais a campo. Os melhores modelos observados em relação a adaptação nos animais em todas as fases da produção, os quais não apresentaram quedas, problemas no comportamento do animal, e mal cicatrização, foram os modelos 4 e 5. Com esse resultado pode-se verificar a eficiência e consistência dos dados gerados e da utilização de brincos na suinocultura. Com o projeto foi possível analisar a viabilidade dos brincos de forma científica e de forma a fornecer um novo produto nacional ao mercado suinícola, o brinco se mostra viável e de grande uso comercial. / Is the more relevant subject in tariffs around the world, where the need for food safety and consumer concern about the product consumed leading to the vision of the need to ensure the health, quality and origin of the product. With increasing computing power at a cost flexible techniques of digital signal processing systems coupled to electronic instrumentation, come to shaping up the casting quality control and optimizing in animal production. Today a significant importance of electronic animal identification as a tool for the traceability of animal production, the objective of this project was to evaluate the electronic identification system with RFID technology for identification of pigs from the point of view electronics, such as livestock, evaluating the use of electronic identification devices, coupled to ear tags of different models, ease of application and remain in the animal. We used prototypes of 6 models of electronic ear tags, and checking the efficiency in the laboratory and in animals in the field. We have ear tags with excellent reading ability of data transmission, and the best models for the adaptation observed in animals at all stages of production, and that showed no falls, problems in animal behavior and welfare, and poorly healing were the model 4 and 5. With this result we can verify the efficiency and consistency of data generated and the use of earrings in pigs. With the project it was possible to examine the viability of ear tags in swine, in a scientific manner and to provide a new product to market domestic pig, the ear tags in swine identification of in order to provide a new national product to market swine.

A alimentação humana é o tema mais relevante nas pautas do mundo todo, em que a necessidade de segurança alimentar e a preocupação dos consumidores a respeito do produto consumido levou à visão da necessidade de garantir a sanidade, a qualidade e a procedência do produto. Com o aumento do poder da computação a um custo flexível, técnicas de processamento digital e a sistemas de instrumentação eletrônica vêem se moldando a produção animal com o objetivo de otimizar a criação. Mostra-se hoje uma significativa importância da identificação eletrônica animal como uma ferramenta para a rastreabilidade dos animais produzidos comercialmente. O objetivo do presente projeto foi avaliar a viabilidade técnica de um sistema de identificação eletrônica com tecnologia RFID para identificação de suínos do ponto de vista eletrônico e zootécnico, avaliando a eficiência do uso da identificação com dispositivos eletrônicos, acoplados a brincos de diferentes modelos, facilidades de aplicação e permanência no animal. Foram avaliadas a eficiência do dispositivo quanto à sua disposição no animal e teste do equipamento desenvolvido em um grupo de leitões. Foram realizados protótipos de 6 tipos diferentes de brincos eletrônicos, e verificada a eficiência em laboratório e nos animais a campo. Os melhores modelos observados em relação a adaptação nos animais em todas as fases da produção, os quais não apresentaram quedas, problemas no comportamento do animal, e mal cicatrização, foram os modelos 4 e 5. Com esse resultado pode-se verificar a eficiência e consistência dos dados gerados e da utilização de brincos na suinocultura. Com o projeto foi possível analisar a viabilidade dos brincos de forma científica e de forma a fornecer um novo produto nacional ao mercado suinícola, o brinco se mostra viável e de grande uso comercial. / Is the more relevant subject in tariffs around the world, where the need for food safety and consumer concern about the product consumed leading to the vision of the need to ensure the health, quality and origin of the product. With increasing computing power at a cost flexible techniques of digital signal processing systems coupled to electronic instrumentation, come to shaping up the casting quality control and optimizing in animal production. Today a significant importance of electronic animal identification as a tool for the traceability of animal production, the objective of this project was to evaluate the electronic identification system with RFID technology for identification of pigs from the point of view electronics, such as livestock, evaluating the use of electronic identification devices, coupled to ear tags of different models, ease of application and remain in the animal. We used prototypes of 6 models of electronic ear tags, and checking the efficiency in the laboratory and in animals in the field. We have ear tags with excellent reading ability of data transmission, and the best models for the adaptation observed in animals at all stages of production, and that showed no falls, problems in animal behavior and welfare, and poorly healing were the model 4 and 5. With this result we can verify the efficiency and consistency of data generated and the use of earrings in pigs. With the project it was possible to examine the viability of ear tags in swine, in a scientific manner and to provide a new product to market domestic pig, the ear tags in swine identification of in order to provide a new national product to market swine.