Relevant bibliographies by topics / Piezoelectric sensor

Academic literature on the topic 'Piezoelectric sensor'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 September 2023

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Journal articles on the topic "Piezoelectric sensor"

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Wang, Hui, Xiaolin Wang, Matthew Wadsworth, Mohammad Faisal Ahmed, Zhe Liu, and Changchun Zeng. "Design, Fabrication, Structure Optimization and Pressure Sensing Demonstration of COC Piezoelectret Sensor and Sensor Array." Micromachines 13, no. 8 (July 26, 2022): 1177. http://dx.doi.org/10.3390/mi13081177.

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This study reported on the design and fabrication of a pseudo-piezoelectric material (piezoelectret) from cyclic olefin copolymer (COC) based on a micropillar structure. The fabrication feasibility of such structure was explored and piezoelectret with the good piezoelectric activity (characterized by quasi-static piezoelectric coefficient d33) was demonstrated. Response surface method with a central composite design was employed to investigate the effects of the structure parameter on the piezoelectric coefficient d33. An optimal structure design was obtained and was validated by experiments. With the optimal design, d33 can reach an exceptional high value of ~9000 pC/N under low pressure. The charging process and the electrical and electromechanical characteristics were further investigated by experimentation and modeling. We further demonstrated the scalability of the fabrication process and demonstrated the application of these sensors in position specific pressure sensing (pressure mapping).
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Wang, Aochen, Ming Hu, Liwei Zhou, and Xiaoyong Qiang. "Self-Powered Wearable Pressure Sensors with Enhanced Piezoelectric Properties of Aligned P(VDF-TrFE)/MWCNT Composites for Monitoring Human Physiological and Muscle Motion Signs." Nanomaterials 8, no. 12 (December 7, 2018): 1021. http://dx.doi.org/10.3390/nano8121021.

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Self-powered operation, flexibility, excellent mechanical properties, and ultra-high sensitivity are highly desired properties for pressure sensors in human health monitoring and anthropomorphic robotic systems. Piezoelectric pressure sensors, with enhanced electromechanical performance to effectively distinguish multiple mechanical stimuli (including pressing, stretching, bending, and twisting), have attracted interest to precisely acquire the weak signals of the human body. In this work, we prepared a poly(vinylidene fluoride-trifluoroethylene)/ multi-walled carbon nanotube (P(VDF-TrFE)/MWCNT) composite by an electrospinning process and stretched it to achieve alignment of the polymer chains. The composite membrane demonstrated excellent piezoelectricy, favorable mechanical strength, and high sensitivity. The piezoelectric coefficient d33 value was approximately 50 pm/V, the Young’s modulus was ~0.986 GPa, and the sensitivity was ~540 mV/N. The resulting composite membrane was employed as a piezoelectric pressure sensor to monitor small physiological signals including pulse, breath, and small motions of muscle and joints such as swallowing, chewing, and finger and wrist movements. Moderate doping with carbon nanotubes had a positive impact on the formation of the β phase of the piezoelectric device, and the piezoelectric pressure sensor has the potential for application in health care systems and smart wearable devices.
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Chen, Jianguo, Jingen Wu, Yun Lu, Yan Wang, and Jinrong Cheng. "High temperature piezoelectric accelerometer fabricated by 0.75BiFeO3–0.25BaTiO3 ceramics with operating temperature over 450 °C." Applied Physics Letters 121, no. 23 (December 5, 2022): 232902. http://dx.doi.org/10.1063/5.0131097.

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Owing to the high Curie temperature and good piezoelectric thermal stability, BiFeO3–BaTiO3 ceramics show great potentials for high-temperature piezoelectric sensor applications. In this paper, a compression-mode piezoelectric sensor was fabricated by the lead-free and high-temperature 0.75BiFeO3–0.25BaTiO3–MnO2 (BFBT25–Mn) ceramic and its sensitivity was characterized from room temperature to 550 °C over a frequency range of 200–1000 Hz. The output charge of the BFBT25–Mn piezoelectric sensor is independent of the measuring frequency at different temperatures. The maximum working temperature of the BFBT25–Mn piezoelectric sensor is 450 °C, about 250, 150, and 100 °C higher than those of these piezoelectric sensors fabricated by PZT-5A, BSPT64–Mn, and BSPT66–Mn ceramics, respectively. The temperature sensitivity coefficient from room temperature to 350 °C of the BFBT25–Mn piezoelectric sensor is 30% of that for the BSPT66–Mn sensor. Furthermore, the sensitivity of the BFBT25–Mn piezoelectric sensor is stable with the dwelling time at 400 °C. These results indicate that the BFBT25–Mn ceramic is a strong competitor for high temperature sensing applications.
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Nakayama, Shiro. "Piezoelectric acceleration sensor and piezoelectric acceleration sensor device." Journal of the Acoustical Society of America 93, no. 6 (June 1993): 3536. http://dx.doi.org/10.1121/1.405368.

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Soedarto, Totok, and Taufiq Arif Setyanto. "Perancangan Signal Conditioning Untuk Sensor Piezoelectric." Wave: Jurnal Ilmiah Teknologi Maritim 6, no. 1 (January 24, 2019): 13–20. http://dx.doi.org/10.29122/jurnalwave.v6i1.3320.

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Perancangan rangkaian interface atau signal conditioning untuk optimasi penggunaan sensor berbasis material piezoelectric mempunyai peranan sangat penting. Karena aplikasi-aplikasi dari material piezoelectrik sangatlah luas, mulai dari hal-hal yang menyangkut mainan anak-anak sampai dengan keperluan uji laboratorium bahkan sensor-sensor militer dan interfacing terhadap rangkaian elektronik sangatlah bergantung pada aplikasinya. Dalam banyak hal, material piezoelectric dapat secara langsung dihubungkan pada rangkaian elektronik tanpa pertimbangan memerlukan interface khusus. Namun demikian, untuk hal-hal tertentu masih dibutuhkan sebuah rangkaian interface, ada beberapa langkah yang harus dipertimbangkan dalam perancangan interface yang menyangkut topologi yang paling sesuai untuk aplikasi yang dibutuhkan. Pada makalah ini hanya dibahas tentang perancangan dan pembuatan signal conditioning untuk keperluan pengujian di lab Hidrodinamika.
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Sanati, Mehdi, Allen Sandwell, Hamid Mostaghimi, and Simon Park. "Development of Nanocomposite-Based Strain Sensor with Piezoelectric and Piezoresistive Properties." Sensors 18, no. 11 (November 6, 2018): 3789. http://dx.doi.org/10.3390/s18113789.

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Sensors provide aninterface between mechanical systems and the physical world. With the move towardsIndustry 4.0 and cyber-physical systems, demands for cost-effective sensors are rapidly increasing. Conventional sensors used for monitoring manufacturing processes are often bulky and need complex processes. In this study, a novel high-sensitive nanocomposite-based sensor is developed for measuring strain. The developed sensor is comprised of polyvinylidene fluoride (PVDF) as a piezoelectric polymer matrix, and embedded carbon nanotube (CNT) nanoparticles creating a conductive network. Exhibiting both piezoelectric and piezoresistive properties, the developed sensors are capable of strain measurement over a wide frequency band, including static and dynamic measurements. The piezoresistive and piezoelectric properties are fused to improve the overall sensitivity and frequency bandwidth of the sensor. To simulate the sensor, a 3D random walk model and a 2D finite element (FE) model are used to predict the electrical resistivity and the piezoelectric characteristics of the sensor, respectively. The developed models are verified with the experimental results. The developed nanocomposite sensors were employed for strain measurement of a cantilever beam under static load, impulse excitation, free and forced vibrations, collecting both piezoelectric and piezoresistive properties measurements. The obtained signals were fused and compared with those of a reference sensor. The results show that the sensor is capable of strain measurement in the range of 0–10 kHz, indicating its effectiveness at measuring both static and high frequency signals which is an important feature of the sensor.
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Shijer, Sameera Sadey. "Simulation of Piezoelectric in Engine Knock Sensor with Different Frequency Modes." ECS Transactions 107, no. 1 (April 24, 2022): 17271–88. http://dx.doi.org/10.1149/10701.17271ecst.

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A numerical study on deformation piezoelectric sensors is described in this study. Major objectives of this research are to compare the impacts of direct current voltage on piezoelectric structure, the effects of direct current voltage on the resonance frequency of piezoelectric knock sensors, and the effects of these parameters on the sensitivity and accuracy of the sensors. The impedance properties of the transient structure are studied under different engine operating conditions and in relation to various forms of sensor damage. Determining the degree of damage sensors and the prediction quality of the piezoelement within the sensor may be accomplished by measuring material flaws and fluctuations in material coefficients that are connected to the frequency characteristic of the sensor. To some extent, the preceding can be used in the calculations of several structural parts of knock sensors. On a prototype knock sensor, ranges of modes were tested using piezoelectric elements with varying numbers of cracks. In this work, it has discussed seven scenarios of frequency analysis to examine the piezoelectric in engine knock sensor with different electricity modes of operation. These scenarios include the engine normal operation mode, start engine operation mode, and different frequency of operation mode (2Hz, 200Hz, 2KHz, 20KHz, 200KHz).
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Lee, Ye Rim, Justin Neubauer, Kwang Jin Kim, and Youngsu Cha. "Multidirectional Cylindrical Piezoelectric Force Sensor: Design and Experimental Validation." Sensors 20, no. 17 (August 27, 2020): 4840. http://dx.doi.org/10.3390/s20174840.

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A common design concept of the piezoelectric force sensor, which is to assemble a bump structure from a flat or fine columnar piezoelectric structure or to use a specific type of electrode, is quite limited. In this paper, we propose a new design of cylindrical piezoelectric sensors that can detect multidirectional forces. The proposed sensor consists of four row and four column sensors. The design of the sensor was investigated by the finite element method. The response of the sensor to various force directions was observed, and it was demonstrated that the direction of the force applied to the sensor could be derived from the signals of one row sensor and three column sensors. As a result, this sensor proved to be able to detect forces in the area of 225° about the central axis of the sensor. In addition, a cylindrical sensor was fabricated to verify the proposed sensor and a series of experiments were performed. The simulation and experimental results were compared, and the actual sensor response tended to be similar to the simulation.
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Košir, Tilen, and Janko Slavič. "Modeling of Single-Process 3D-Printed Piezoelectric Sensors with Resistive Electrodes: The Low-Pass Filtering Effect." Polymers 15, no. 1 (December 29, 2022): 158. http://dx.doi.org/10.3390/polym15010158.

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Three-dimensional printing by material extrusion enables the production of fully functional dynamic piezoelectric sensors in a single process. Because the complete product is finished without additional processes or assembly steps, single-process manufacturing opens up new possibilities in the field of smart dynamic structures. However, due to material limitations, the 3D-printed piezoelectric sensors contain electrodes with significantly higher electrical resistance than classical piezoelectric sensors. The continuous distribution of the capacitance of the piezoelectric layer and the resistance of the electrodes results in low-pass filtering of the collected charge. Consequently, the usable frequency range of 3D-printed piezoelectric sensors is limited not only by the structural properties but also by the electrical properties. This research introduces an analytical model for determining the usable frequency range of a 3D-printed piezoelectric sensor with resistive electrodes. The model was used to determine the low-pass cutoff frequency and thus the usable frequency range of the 3D-printed piezoelectric sensor. The low-pass electrical cutoff frequency of the 3D-printed piezoelectric sensor was also experimentally investigated and good agreement was found with the analytical model. Based on this research, it is possible to design the electrical and dynamic characteristics of 3D-printed piezoelectric sensors. This research opens new possibilities for the design of future intelligent dynamic systems 3D printed in a single process.
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Cai, Sikang, Guicong Wang, Yingjun Li, and Xiaoqi Yang. "Research on material selection of force-sensitive element for high-frequency dynamic piezoelectric pressure sensor." MATEC Web of Conferences 355 (2022): 01026. http://dx.doi.org/10.1051/matecconf/202235501026.

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The high-frequency dynamic piezoelectric pressure sensor has the advantages of simple structure, long service life, high natural frequency, excellent signal-to-noise ratio and great sensitivity. It is appropriate for measuring high dynamic, dynamic or quasi-static pressure changes and pressure fluctuations. And this kind of sensor is widely utilized in the shock wave testing. The force-sensitive element is one of the main factors affecting the static and dynamic performance of piezoelectric pressure sensors. Basing on the piezoelectric equation and coupling effect between mechanics and electricity, in this paper, the finite element model of the high-frequency dynamic piezoelectric pressure sensor is established. The influences of the force-sensing element on the sensitivity of the sensor are analysed. Referential suggestions for choosing force-sensitive element of high-frequency dynamic piezoelectric pressure sensor are provided.
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Dissertations / Theses on the topic "Piezoelectric sensor"

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Pantzare, Sandra, and Elin Wollert. "Wireless Piezoelectric Horse Sensor System." Thesis, Linköpings universitet, Fysik och elektroteknik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150152.

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The domestication of horses took place at least 2000 BCE. Since then, horses have been used for transportation, agricultural work and even for warfare. Today, horses have been bred into world athletes, used worldwide in equestrian sports. However, these explosive performance horses present characteristics that make them prone to injuries leading to lameness. According to the insurance company Agria, more than 50 % of all reported injuries on horses in Sweden each year, are related to lameness. Using more objective analysing methods can lead to earlier detection and decrease the occurrence of this kind of injuries. In this Master’s degree project, a horse sensor system was proposed, designed and manufactured as a first prototype. The system consists of a force measuring device and an external reader. The force measuring sensor itself is a piezoelectric printed sensor. The force measuring device senses, acquires and transmits the raw data to the external reader. The focus of this project was on the hardware- and software development of the force measuring device and the software development for the external reader. To develop and verify the algorithms, as well as the entire system concept, the CC1352R1 Launchpad from Texas Instruments was used. The first results have indicated that the developed hardware and software of the force measuring device performs as expected. Also, important conclusions were drawn for both the force measuring device and the external reader. E.g., the force measuring device should fit the required physical dimension of the hoof sole, and the algorithms of the external reader should be improved in terms of data flow and memory usage. To conclude, the project is a challenging application making use of modern wireless sensor technology and printed electronics.
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Sharapov, V. M., K. V. Bazilo, and R. V. Trembovetskaya. "Electro-Acoustic System with Piezoelectric Sensor." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/41006.

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Piezoelectric transducers are widely used in electro-acoustic, hydroacoustic, ultrasonic, medical and measuring techniques, security and control systems. One of the main characteristics of the piezoelectric transducers is operation frequency band. Despite the fact that it is used to be expanded, narrowband piezoelectric transducers also can be used. In particular, the fields of application of piezoelectric transducers are narrowband alarm systems, for example, glass breakage detectors [1].
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Ahmadi, Mehdi. "Energy Harvesting Wireless Piezoelectric Resonant Force Sensor." Thesis, University of North Texas, 2013. https://digital.library.unt.edu/ark:/67531/metadc407829/.

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The piezoelectric energy harvester has become a new powering option for some low-power electronic devices such as MEMS (Micro Electrical Mechanical System) sensors. Piezoelectric materials can collect the ambient vibrations energy and convert it to electrical energy. This thesis is intended to demonstrate the behavior of a piezoelectric energy harvester system at elevated temperature from room temperature up to 82°C, and compares the system’s performance using different piezoelectric materials. The systems are structured with a Lead Magnesium Niobate-Lead Titanate (PMN-PT) single crystal patch bonded to an aluminum cantilever beam, Lead Indium Niobate-Lead Magnesium Niobate-Lead Titanate (PIN-PMN-PT) single crystal patch bonded to an aluminum cantilever beam and a bimorph cantilever beam which is made of Lead Zirconate Titanate (PZT). The results of this experimental study show the effects of the temperature on the operation frequency and output power of the piezoelectric energy harvesting system. The harvested electrical energy has been stored in storage circuits including a battery. Then, the stored energy has been used to power up the other part of the system, a wireless resonator force sensor, which uses frequency conversion techniques to convert the sensor’s ultrasonic signal to a microwave signal in order to transmit the signal wirelessly.
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Zhang, Ruizhi. "ARTERIAL WAVEFORM MEASUREMENT USING A PIEZOELECTRIC SENSOR." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/126.

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This study aims to develop a new method to monitor peripheral arterial pulse using a PVDF piezoelectric sensor. After comparing different locations of sensor placement, a specific sensor wrap for the finger was developed. Its composition, size, and location make it inexpensive and very convenient to use. In order to monitor the effectiveness of the sensor at producing a reliable pulse waveform, a monitoring system, including the PZT sensor, ECG, pulse-oximeter, respiratory sensor, and accelerometer was setup. Signal analysis from the system helped discover that the PZT waveform is relative to the 1st derivative of the artery pressure wave. Also, the system helped discover that the first, second, and third peaks in PZT waveform represent the pulse peak, inflection point, and dicrotic notch respectively. The relationship between PZT wave and respiration was also analyzed, and, consequently, an algorithm to derive respiratory rate directly from the PZT waveform was developed. This algorithm gave a 96% estimating accuracy. Another feature of the sensor is that by analyzing the relationship between pulse peak amplitude and blood pressure change, temporal artery blood pressure can be predicted during Valsalva maneuver. PZT pulse wave monitoring offers a new type of pulse waveform which is not yet fully understood. Future studies will lead to a more broadly applied use of PZT sensors in cardiac monitoring applications.
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Holmes, J. E. "Novel piezoelectric structures for sensor and actuator applications." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.399477.

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Mika, Bartosz. "Design and testing of piezoelectric sensors." [College Station, Tex. : Texas A&M University, 2007. http://hdl.handle.net/1969.1/ETD-TAMU-1565.

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Theaker, Brenden John. "Volatile Sensing Using Coated Piezoelectric Quartz Crystal Sensor Arrays." Thesis, Teesside University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.518736.

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Agyemang, Duah Joseph Agyemang Duah. "A PIEZOELECTRIC POWERED BLUETOOTH LOW ENERGY TEMPERATURE SENSOR PLATFORM." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1533124081986125.

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Tharakan, Zacharia. "Fabrication and Characterization of Piezoelectric Zinc Oxide Nanowire Sensor." OpenSIUC, 2017. https://opensiuc.lib.siu.edu/theses/2268.

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AN ABSTRACT OF THE THESIS OF ZACHARIA THARAKAN, for the Master of Science degree in BIOMEDICAL ENGINEERING, presented on 11/06/17, at Southern Illinois University Carbondale. TITLE: FABRICATION AND CHARACTERIZATION OF PIEZOELECTRIC ZINC OXIDE NANOWIRE SENSOR MAJOR PROFESSOR: Dr. Farhan Chowdhury The biosensor field is rapidly accelerating in recent years. Among many types of biosensors available today, piezoelectric (PZT) class of materials are becoming very popular. In this thesis, Zinc Oxide nanowire PZT biosensor was fabricated and characterized to detect the presence of fungi which has some huge economic implications in US agriculture industry. Zinc Oxide nanowires were synthesized in a mass scale via wet solution method in a controlled temperature and growth environment. Different substrates including glass, indium tin oxide, and gold coated silicon substrates were utilized to grow the nanowires followed by layering with silane and subsequently etching them. The results show that the nanowires were grown homogenously on gold coated silicon wafers with cylindrical structures. The ideal morphology of the nanowires was found to be dependent on: incubation time, incubation temperature, and substrate material. Substrate catalyst was also varied from Au & Pd to pure Au which showed significant improvement in producing the nanowires. A systematic variation of hours was implemented from: 3, 5, 7, 9, 11, and 13 hours. Zinc Oxide nanowire features such as length, diameter, and aspect ratio were quantified through SEM micrographs. Linear increase in height, diameter, and aspect ratio was observed up to 13 hours along with density. The optimal condition for nanowire growth was determined at: 80 °C and 5 hours. Energy dispersive spectroscopy aided in generating presence of specific elements on the biosensor. Raman helps in verifying chemical composition of the device. Both Raman and EDS spectroscopy aided in enhancement and individualization of the biosensor at different proposed parameters. Keithley readings represented series of current-voltage (I-V) measurements under different forward biased voltages. The response of nanowires from these I-V measurements show a diode-like response. Next, nanowire displacement patterns of fungi, Fusarium proliferatum (F. proliferatum) were studied by I-V measurements. When I-V measurements were conducted on PZT nanowires in the presence of F. proliferatum a strong association from microbe attachment and growth was observed showing an increase in switch-on voltage with a 2V sweep. It is speculated that the observed high resistance is a result of mechanical movement of fungi on the piezoelectric device. Future studies will be designed to investigate this phenomenon. These results indicate that by simply reading the characteristic current-voltage measurement, one can better evaluate microbe pattern of displacement and maturation. Future application of this nanowire platform can characterize distinct displacement signature of disease carrying organism much more efficiently.
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Dhayal, Vandana Sultan Singh. "Exploring Simscape™ Modeling for Piezoelectric Sensor Based Energy Harvester." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc984261/.

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This work presents an investigation of a piezoelectric sensor based energy harvesting system, which collects energy from the surrounding environment. Increasing costs and scarcity of fossil fuels is a great concern today for supplying power to electronic devices. Furthermore, generating electricity by ordinary methods is a complicated process. Disposal of chemical batteries and cables is polluting the nature every day. Due to these reasons, research on energy harvesting from renewable resources has become mandatory in order to achieve improved methods and strategies of generating and storing electricity. Many low power devices being used in everyday life can be powered by harvesting energy from natural energy resources. Power overhead and power energy efficiency is of prime concern in electronic circuits. In this work, an energy harvester is modeled and simulated in Simscape™ for the functional analysis and comparison of achieved outcomes with previous work. Results demonstrate that the harvester produces power in the 0 μW to 100 μW range, which is an adequate amount to provide supply to low power devices. Power efficiency calculations also demonstrate that the implemented harvester is capable of generating and storing power for low power pervasive applications.
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Books on the topic "Piezoelectric sensor"

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Holmes, James E. Novel piezoelectric structures for sensor and actuator applications. Birmingham: University of Birmingham, 2002.

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Ballas, R. G. Piezoelectric multilayer beam bending actuators: Static and dynamic behavior and aspects of sensor integration. Berlin: Springer, 2007.

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Malapetsas, Tasos. The industrial sensor business. Norwalk, CT: Business Communications Co., 1997.

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Wittstock, Volker. Piezobasierte Aktor-Sensor-Einheiten zur uniaxialen Schwingungskompensation in Antriebssträngen von Werkzeugmaschinen. Zwickau: Wissenschaftliche Scripten, 2007.

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Mullally, Margaret L. A competitive analysis of the U.S. sensor industry. [Cleveland]: Leading Edge Reports, 1988.

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Piezoelectric sensorics: Force, strain, pressure, acceleration and acoustic emission sensors, materials and amplifiers. Berlin: Springer, 2002.

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Janshoff, Andreas, and Claudia Steinem, eds. Piezoelectric Sensors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-36568-6.

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Claudia, Steinem, and Janshoff Andreas, eds. Piezoelectric sensors. Berlin: Springer, 2006.

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Rupitsch, Stefan Johann. Piezoelectric Sensors and Actuators. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-57534-5.

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Piezoceramic sensors. Heidelberg: Springer, 2011.

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Book chapters on the topic "Piezoelectric sensor"

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Gautschi, Gustav. "Piezoelectric Sensor Terminology." In Piezoelectric Sensorics, 51–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-662-04732-3_4.

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Baumann, Peter. "Piezoelectric Buzzer." In Selected Sensor Circuits, 183–220. Wiesbaden: Springer Fachmedien Wiesbaden, 2022. http://dx.doi.org/10.1007/978-3-658-38212-4_8.

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Hepher, M. J., and D. Reilly. "Piezoelectric sensors." In Sensor Systems for Environmental Monitoring, 179–209. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1571-8_6.

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Roundy, Shad, Paul Kenneth Wright, and Jan M. Rabaey. "Piezoelectric Converter Design." In Energy Scavenging for Wireless Sensor Networks, 51–85. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4615-0485-6_4.

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Rupitsch, Stefan Johann. "Characterization of Sensor and Actuator Materials." In Piezoelectric Sensors and Actuators, 127–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-57534-5_5.

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Roundy, Shad, Paul Kenneth Wright, and Jan M. Rabaey. "Piezoelectric Converter Test Results." In Energy Scavenging for Wireless Sensor Networks, 87–114. Boston, MA: Springer US, 2004. http://dx.doi.org/10.1007/978-1-4615-0485-6_5.

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Rupitsch, Stefan Johann. "Simulation of Piezoelectric Sensor and Actuator Devices." In Piezoelectric Sensors and Actuators, 83–126. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-57534-5_4.

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Koch, Alexander W. "Measurement Systems with Capacitive and Piezoelectric Sensors." In Measurement and Sensor Systems, 55–63. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-15870-4_4.

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Hristova-Vasileva, Temenuga, Kiril Petkov, Venceslav Vassilev, and Antoni Arnaudov. "Piezoelectric Crystal Sensor for Ammonia Detection." In Nanotechnological Basis for Advanced Sensors, 439–43. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0903-4_46.

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Wang, Xing, Linhua Piao, and Quangang Yu. "CJSYS-A01 Piezoelectric Fluidic Angular Rate Sensor." In Advances in Intelligent and Soft Computing, 575–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25349-2_77.

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Conference papers on the topic "Piezoelectric sensor"

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Nguyen, Thanh Duc, and Eli J. Curry. "Biodegradable Piezoelectric Sensor." In 2019 IEEE 16th International Conference on Wearable and Implantable Body Sensor Networks (BSN). IEEE, 2019. http://dx.doi.org/10.1109/bsn.2019.8771096.

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Wang, Likun, Lei Qin, and Li Li. "Piezoelectric dynamic pressure sensor." In 2010 International Conference on Information and Automation (ICIA). IEEE, 2010. http://dx.doi.org/10.1109/icinfa.2010.5512134.

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Sato, Hiroshi. "Metal core piezoelectric toughness fiber." In TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2009. http://dx.doi.org/10.1109/sensor.2009.5285566.

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Conrad, David, Andrei Zagrai, and Daniel Meisner. "Influence of Sensor Statistics on Piezoelectric and Magneto-Elastic Damage Detection." In ASME 2012 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/smasis2012-8255.

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Increasing complexity of aerospace structures facilitates a growing need for structural health monitoring (SHM) systems capable of real-time active damage detection. A variety of sensing approaches have been demonstrated using embedded ultrasonic sensors such as piezoelectric wafer active sensors (PWAS) and magneto-elastic active sensors (MEAS). Common methodologies consider wave propagation (pitch-catch or pulse-echo) and standing wave (vibration or impedance) techniques with damage detection capabilities dependent upon structural geometry, material characteristics, distance to damage and damage size/orientation. While recent studies have employed damage detection and classification approaches that are dependent on cumulative statistics, this study explores the contribution of sensor parameters and experimental setup variability on the damage detection scheme. The impact of variability in PWAS and MEAS are considered on sensor use in ultrasonic and magneto-mechanical impedance damage detection. In order to isolate sensor parameters, measurements were conducted with PWAS in free-free boundary conditions. Variability of PWAS parameters was evaluated by measuring the sensors impedance response. An analytical model of PWAS was used to estimate sensor parameters and to determine their variability. Additionally, experiments using MEAS were performed that demonstrate variation of magneto-mechanical impedance during structural dynamic tests. From these experiments the importance of sensor setup is discussed and its contribution into the overall detection scheme is explored.
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Yaghootkar, Bahareh, Soheil Azimi, and Behraad Bahreyni. "Wideband piezoelectric mems vibration sensor." In 2016 IEEE SENSORS. IEEE, 2016. http://dx.doi.org/10.1109/icsens.2016.7808651.

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Shen, N. W., X. F. Zhang, and H. Li. "Diagonal Piezoelectric Sensor on Cylindrical Shells Excited by Piezoelectric Actuator." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66545.

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A model of piezoelectric sensor based on cylindrical shell is designed in this paper. In this model, a rectangular piezoelectric patch is diagonally attached on the thin cylindrical shell as the sensing patch. To evaluate the output of sensing signal, the model is driven by piezoelectric actuator. Sensing and actuating mechanisms are formulated, and the governing equations are derived. To evaluate the contributions of strain components, the sensing signal is decomposed into six components. It is shown that the signal components vary with the orientation angles of sensing patches, so is the total sensing signal. Theoretical results show that shear strain contributes to sensing signal output when the sensing patch is diagonally attached. Then these results are experimentally validated. The transverse displacements and sensing voltages of sensing patch with three different orientations were measured, the sensitivity was calculated. All these analytical data can be used to optimize the piezoelectric sensor design.
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Tzou, H. S., and J. P. Zhong. "Spatial Filtering Characteristics of Distributed Piezoelectric Sensors." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0156.

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Abstract Distributed spatial filtering characteristics of distributed piezoelectric sensors are investigated. In general, a sensor output signal is contributed by a membrane strain and a bending strain. Depending on the sensor placement, a distributed sensor can be only sensitive to either membrane or bending modes — membrane or bending sensor. In addition, a piezoelectric sensor can be sensitive to a mode or a group of modes due to signal average of electrode surface, especially anti-symmetrical modes. Accordingly, the sensor layer can be spatially shaped such that its sensitivity can be specified. These filtering characteristics are discussed and examples demonstrated.
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Green, Christopher, Karla M. Mossi, and Robert G. Bryant. "Scavenging Energy From Piezoelectric Materials for Wireless Sensor Applications." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-80426.

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Wireless sensors are an emerging technology that has the potential to revolutionize the monitoring of simple and complex physical systems. Prior research has shown that one of the biggest issues with wireless sensors is power management. A wireless sensor is simply not cost effective unless it can maintain long battery life or harvest energy from another source. Piezoelectric materials are viable conversion mechanisms because of their inherent ability to covert vibrations to electrical energy. Currently a wide variety of piezoelectric materials are available and the appropriate choice for sensing, actuating, or harvesting energy depends on their characteristics and properties. This study focuses on evaluating and comparing three different types of piezoelectric materials as energy harvesting devices. The materials utilized consisted on PZT 5A, a single crystal PMN 32%PT, and a PZT 5A composite called Thunder. These materials were subjected to a steady sinusoidal vibration provided by a shaker at different power levels. Gain of the devices was measured at all levels as well as impedance in a range of frequencies was characterized. Results showed that the piezoelectric generator coefficient, g33, predicts the overall power output of the materials as verified by the experiments. These results constitute a baseline for an energy harvesting system that will become the front end of a wireless sensor network.
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Sinha, N., G. E. Wabiszewski, R. Mahameed, V. V. Felmetsger, S. M. Tanner, R. W. Carpick, and G. Piazza. "Ultra thin AlN piezoelectric nano-actuators." In TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2009. http://dx.doi.org/10.1109/sensor.2009.5285460.

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Chang, Chieh, Yiin-Kuen Fuh, and Liwei Lin. "A direct-write piezoelectric PVDF nanogenerator." In TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2009. http://dx.doi.org/10.1109/sensor.2009.5285796.

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Reports on the topic "Piezoelectric sensor"

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Hall, Asha, and Mark Bundy. Overview of Piezoelectric Actuator Displacement Measurements Utilizing a MTI-2100 Fotonic Sensor. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada540429.

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Wang, Kon-Well, and Jiong Tang. Adaptive Piezoelectric Circuitry Sensor Network with High-Frequency Harmonics Interrogation for Structural Damage Detection. Fort Belvoir, VA: Defense Technical Information Center, September 2014. http://dx.doi.org/10.21236/ada611417.

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Kong, Zhihao, and Na Lu. Determining Optimal Traffic Opening Time Through Concrete Strength Monitoring: Wireless Sensing. Purdue University, 2023. http://dx.doi.org/10.5703/1288284317613.

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Construction and concrete production are time-sensitive and fast-paced; as such, it is crucial to monitor the in-place strength development of concrete structures in real-time. Existing concrete strength testing methods, such as the traditional hydraulic compression method specified by ASTM C 39 and the maturity method specified by ASTM C 1074, are labor-intensive, time consuming, and difficult to implement in the field. INDOT’s previous research (SPR-4210) on the electromechanical impedance (EMI) technique has established its feasibility for monitoring in-situ concrete strength to determine the optimal traffic opening time. However, limitations of the data acquisition and communication systems have significantly hindered the technology’s adoption for practical applications. Furthermore, the packaging of piezoelectric sensor needs to be improved to enable robust performance and better signal quality. In this project, a wireless concrete sensor with a data transmission system was developed. It was comprised of an innovated EMI sensor and miniaturized datalogger with both wireless transmission and USB module. A cloud-based platform for data storage and computation was established, which provides the real time data visualization access to general users and data access to machine learning and data mining developers. Furthermore, field implementations were performed to prove the functionality of the innovated EMI sensor and wireless sensing system for real-time and in-place concrete strength monitoring. This project will benefit the DOTs in areas like construction, operation, and maintenance scheduling and asset management by delivering applicable concrete strength monitoring solutions.
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Taylor. L51755 Development and Testing of an Advanced Technology Vibration Transmission. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), July 1996. http://dx.doi.org/10.55274/r0010124.

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Fiber optic sensors have been under development in industrial and government laboratories around the world for over a decade. The commercial market for fiber sensors for measuring parameters such as temperature, displacement, and liquid level is now estimated to exceed $100 M/year. Aside from the commercial interest, the U. S. Department of Defense has vigorously pursued the development of fiber gyroscopes and hydrophones. In spite of the high level of research and development activity, however, until recently fiber sensors had not been successfully applied in high-temperature engine environments. The goal of this effort is to develop and test high-temperature fiber optic sensors and show that they are suitable for monitoring vibration and other instabilities in gas turbine engines. The underlying technology developed during the course of PRCI projects PR- 219-9120 and PR-219-9225 during 1991-94 serves as the foundation for PR-240-9416. Transducers with the fiber optic Fabry-Perot interferometer (FFPI) configuration have been adapted for use in the turbomachinery environment.To ensure the survival of the FFPI sensors at high temperatures, two techniques for coating the fibers with metal have been developed: electroplating and vacuum deposition. Coated sensors have subsequently been embedded in aluminum and brass alloys. Experiments on a small Sargent Welch turbine engine have shown the high sensitivity of embedded FFPI strain sensors to vibration in rolling bearings. Data have been collected in both the time and frequency domain. A new accelerometer design in which a metal-coated fiber containing the FFPI element is soldered directly to a diaphragm in a stainless steel housing shows response similar to a piezoelectric accelerometer in shaker table tests. The high sensitivity of the FFPI accelerometer has been demonstrated in field tests in a Solar Centaur turbine engine, and the design has survived temperatures greater than 500�C in a test oven. A magnetometer with a physical configuration similar to that of the accelerometer has been used to measure the distance from the sensor head to a rotating shaft made of ferromagnetic material. This device, which functions as a proximity probe, has been used to monitor shaft rotation rate (keyphasor application) and as a shaft thrust position sensor. These results indicate the potential for performing critical measurements in turbine engines with FFPI sensors. They can measure acceleration, distance (proximity), strain (as it relates to bearing defect diagnosis), and gas pressure, and can operate at higher temperatures than conventional transducers.
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Elburn, Eddie, and Ryan C. Toonen. Acoustic Nondestructive Evaluation of Aircraft Paneling Using Piezoelectric Sensors. Fort Belvoir, VA: Defense Technical Information Center, December 2012. http://dx.doi.org/10.21236/ada579857.

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Khafizov, Marat, Ryan Chesser, Maha Yazbeck, Yuzhou Wang, Gaofeng Sha, Aleksandr Chernatynskiy, and Joshua Daw. Irradiation Behavior of Piezoelectric Materials for Nuclear Reactor Sensors. Office of Scientific and Technical Information (OSTI), April 2023. http://dx.doi.org/10.2172/1972141.

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Lin, Yirong. Investigation on Smart Parts with Embedded Piezoelectric Sensors via Additive Manufacturing. Office of Scientific and Technical Information (OSTI), December 2017. http://dx.doi.org/10.2172/1412094.

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Galili, Naftali, Roger P. Rohrbach, Itzhak Shmulevich, Yoram Fuchs, and Giora Zauberman. Non-Destructive Quality Sensing of High-Value Agricultural Commodities Through Response Analysis. United States Department of Agriculture, October 1994. http://dx.doi.org/10.32747/1994.7570549.bard.

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The objectives of this project were to develop nondestructive methods for detection of internal properties and firmness of fruits and vegetables. One method was based on a soft piezoelectric film transducer developed in the Technion, for analysis of fruit response to low-energy excitation. The second method was a dot-matrix piezoelectric transducer of North Carolina State University, developed for contact-pressure analysis of fruit during impact. Two research teams, one in Israel and the other in North Carolina, coordinated their research effort according to the specific objectives of the project, to develop and apply the two complementary methods for quality control of agricultural commodities. In Israel: An improved firmness testing system was developed and tested with tropical fruits. The new system included an instrumented fruit-bed of three flexible piezoelectric sensors and miniature electromagnetic hammers, which served as fruit support and low-energy excitation device, respectively. Resonant frequencies were detected for determination of firmness index. Two new acoustic parameters were developed for evaluation of fruit firmness and maturity: a dumping-ratio and a centeroid of the frequency response. Experiments were performed with avocado and mango fruits. The internal damping ratio, which may indicate fruit ripeness, increased monotonically with time, while resonant frequencies and firmness indices decreased with time. Fruit samples were tested daily by destructive penetration test. A fairy high correlation was found in tropical fruits between the penetration force and the new acoustic parameters; a lower correlation was found between this parameter and the conventional firmness index. Improved table-top firmness testing units, Firmalon, with data-logging system and on-line data analysis capacity have been built. The new device was used for the full-scale experiments in the next two years, ahead of the original program and BARD timetable. Close cooperation was initiated with local industry for development of both off-line and on-line sorting and quality control of more agricultural commodities. Firmalon units were produced and operated in major packaging houses in Israel, Belgium and Washington State, on mango and avocado, apples, pears, tomatoes, melons and some other fruits, to gain field experience with the new method. The accumulated experimental data from all these activities is still analyzed, to improve firmness sorting criteria and shelf-life predicting curves for the different fruits. The test program in commercial CA storage facilities in Washington State included seven apple varieties: Fuji, Braeburn, Gala, Granny Smith, Jonagold, Red Delicious, Golden Delicious, and D'Anjou pear variety. FI master-curves could be developed for the Braeburn, Gala, Granny Smith and Jonagold apples. These fruits showed a steady ripening process during the test period. Yet, more work should be conducted to reduce scattering of the data and to determine the confidence limits of the method. Nearly constant FI in Red Delicious and the fluctuations of FI in the Fuji apples should be re-examined. Three sets of experiment were performed with Flandria tomatoes. Despite the complex structure of the tomatoes, the acoustic method could be used for firmness evaluation and to follow the ripening evolution with time. Close agreement was achieved between the auction expert evaluation and that of the nondestructive acoustic test, where firmness index of 4.0 and more indicated grade-A tomatoes. More work is performed to refine the sorting algorithm and to develop a general ripening scale for automatic grading of tomatoes for the fresh fruit market. Galia melons were tested in Israel, in simulated export conditions. It was concluded that the Firmalon is capable of detecting the ripening of melons nondestructively, and sorted out the defective fruits from the export shipment. The cooperation with local industry resulted in development of automatic on-line prototype of the acoustic sensor, that may be incorporated with the export quality control system for melons. More interesting is the development of the remote firmness sensing method for sealed CA cool-rooms, where most of the full-year fruit yield in stored for off-season consumption. Hundreds of ripening monitor systems have been installed in major fruit storage facilities, and being evaluated now by the consumers. If successful, the new method may cause a major change in long-term fruit storage technology. More uses of the acoustic test method have been considered, for monitoring fruit maturity and harvest time, testing fruit samples or each individual fruit when entering the storage facilities, packaging house and auction, and in the supermarket. This approach may result in a full line of equipment for nondestructive quality control of fruits and vegetables, from the orchard or the greenhouse, through the entire sorting, grading and storage process, up to the consumer table. The developed technology offers a tool to determine the maturity of the fruits nondestructively by monitoring their acoustic response to mechanical impulse on the tree. A special device was built and preliminary tested in mango fruit. More development is needed to develop a portable, hand operated sensing method for this purpose. In North Carolina: Analysis method based on an Auto-Regressive (AR) model was developed for detecting the first resonance of fruit from their response to mechanical impulse. The algorithm included a routine that detects the first resonant frequency from as many sensors as possible. Experiments on Red Delicious apples were performed and their firmness was determined. The AR method allowed the detection of the first resonance. The method could be fast enough to be utilized in a real time sorting machine. Yet, further study is needed to look for improvement of the search algorithm of the methods. An impact contact-pressure measurement system and Neural Network (NN) identification method were developed to investigate the relationships between surface pressure distributions on selected fruits and their respective internal textural qualities. A piezoelectric dot-matrix pressure transducer was developed for the purpose of acquiring time-sampled pressure profiles during impact. The acquired data was transferred into a personal computer and accurate visualization of animated data were presented. Preliminary test with 10 apples has been performed. Measurement were made by the contact-pressure transducer in two different positions. Complementary measurements were made on the same apples by using the Firmalon and Magness Taylor (MT) testers. Three-layer neural network was designed. 2/3 of the contact-pressure data were used as training input data and corresponding MT data as training target data. The remaining data were used as NN checking data. Six samples randomly chosen from the ten measured samples and their corresponding Firmalon values were used as the NN training and target data, respectively. The remaining four samples' data were input to the NN. The NN results consistent with the Firmness Tester values. So, if more training data would be obtained, the output should be more accurate. In addition, the Firmness Tester values do not consistent with MT firmness tester values. The NN method developed in this study appears to be a useful tool to emulate the MT Firmness test results without destroying the apple samples. To get more accurate estimation of MT firmness a much larger training data set is required. When the larger sensitive area of the pressure sensor being developed in this project becomes available, the entire contact 'shape' will provide additional information and the neural network results would be more accurate. It has been shown that the impact information can be utilized in the determination of internal quality factors of fruit. Until now,
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Ross, Robert J., Jiangming Kan, Xiping Wang, Julie Blankenburg, Janet I. Stockhausen, and Roy F. Pellerin. Wood and Wood-Based Materials as Sensors—A Review of the Piezoelectric Effect in Wood. Madison, WI: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 2012. http://dx.doi.org/10.2737/fpl-gtr-212.

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Roach, Dennis. Performance Evaluation of Comparative Vacuum Monitoring and Piezoelectric Sensors for Structural Health Monitoring of Rotorcraft Components. Office of Scientific and Technical Information (OSTI), July 2021. http://dx.doi.org/10.2172/1809128.

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