Results 21 to 30 of about 3,239 (167)
Microsystems & Nanoengineering, 2023 The piezoelectric coupling principle is widely used (along with capacitive coupling and piezoresistive coupling) for MEMS accelerometers. Piezoelectric MEMS accelerometers are used primarily for vibration monitoring.
Chang Ge, Edmond Cretu
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A Miniaturized Piezoelectric MEMS Accelerometer with Polygon Topological Cantilever Structure
Micromachines, 2022 This work proposes a miniaturized piezoelectric MEMS accelerometer based on polygonal topology with an area of only 868 × 833 μm2. The device consists of six trapezoidal cantilever beams with shorter fixed sides.
Chaoxiang Yang +5 more
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Fabrication of a Miniaturized ZnO Nanowire Accelerometer and Its Performance Tests
Sensors, 2016 This paper reports a miniaturized piezoelectric accelerometer suitable for a small haptic actuator array. The accelerometer is made with zinc oxide (ZnO) nanowire (NW) grown on a copper wafer by a hydrothermal process.
Hyun Chan Kim, Sangho Song, Jaehwan Kim
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Sensors, 2023 Piezoelectric accelerometers using a lead-free (K,Na)NbO3 (KNN) piezoceramic modified by a mixture of two Bi-based perovskites, Bi(Na,K,Li)ZrO3 (BNKLZ) and BiScO3 (BS), were designed, fabricated and characterized. Ring-shaped ceramics were prepared using
Min-Ku Lee +2 more
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Sensors, 2020 Fetal movements (FM) are an important factor in the assessment of fetal health. However, there is currently no reliable way to monitor FM outside clinical environs.
Abhishek Kumar Ghosh +10 more
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Performance improvement of miniaturized ZnO nanowire accelerometer fabricated by refresh hydrothermal synthesis [PDF]
Royal Society Open Science, 2017 Miniaturized accelerometers are necessary for evaluating the performance of small devices, such as haptics, robotics and simulators. In this study, we fabricated miniaturized accelerometers using well-aligned ZnO nanowires.
Sangho Song +4 more
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Design of Piezoelectric Acceleration Sensor for Automobile Applications
International Journal of Automotive Science and Technology, 2021 In this study, piezoelectric based compressive type accelerometer has been de-signed by using PZT-5A ceramics with bellewasher type spring. FEA analysis were carried out by using COMSOL.
Mert Gül, Murat Karaer, Aydın Doğan
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Review: Fifty Years Plus of Accelerometer History for Shock and Vibration (1940–1996)
Shock and Vibration, 1999 This article summarizes the history of accelerometer development and the subsequent evolution of the commercial accelerometer industry. The focus is primarily on piezoelectric and piezoresistive accelerometers, although early resistance-bridge-type ...
Patrick L. Walter
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A novel base strain sensitivity measurement system with steady harmonic excitation [PDF]
Metrology and Measurement Systems, 2022 Considering the low accuracy and low efficiency of the traditional calibration method for base strain sensitivity of accelerometers, a novel base strain sensitivity calibration system with steady harmonic excitation is proposed.
Chuwei Ye
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Short communication: Automated testing of accelerometer transverse sensitivity with a flexure-based XY compliant stage [PDF]
Mechanical Sciences, 2016 This paper presents the automated testing of accelerometer transverse sensitivity with a flexure-based compliant stage which can provide vibration on the XY plane.
T. Li, Y. Du, W. Ji, Z. Liu, C. Cai
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