Results 61 to 70 of about 3,239 (167)

Optimal Position and Orientation of an Ossicular Accelerometer for Human Auditory Prostheses

Sensors
In this study, a method for determining the optimal location and orientation of an implantable piezoelectric accelerometer on the short process of the incus is presented.
Dmitrii Burovikhin, Panagiota Kitsopoulos, Michael Lauxmann, Karl Grosh   +3 more
doaj   +1 more source

Dynamic Compensation of a Piezoelectric Accelerometer Obtained through a General Probabilistic Approach. [PDF]

Sensors (Basel), 2023
Crenna F, Rossi GB, Berardengo M.
europepmc   +1 more source

Self-Powered Wireless Sensor for Fault Diagnosis of Wind Turbine Planetary Gearbox

IEEE Access, 2019
This paper proposes a wind turbine planetary gearbox (PGB) fault diagnosis method based on a self-powered wireless sensor. The proposed wireless sensor, which consists of a piezoelectric energy harvester, a power management circuit, a microcontroller ...
Li Lu, Yigang He, Tao Wang, Tiancheng Shi, Bing Li   +4 more
doaj   +1 more source

Placement and Orientation of an Accelerometer Sensor Attached to the Human Incus in Hearing Implants

Current Directions in Biomedical Engineering
In this study a method for determining the best placement and optimal orientation of the implantable piezoelectric accelerometer attached to the short process of the incus is developed.
Burovikhin Dmitrii, Kitsopoulos Panagiota, Lauxmann Michael, Grosh Karl   +3 more
doaj   +1 more source

Physical Principles of a Piezo Accelerometer Sensitive to a Nearly Constant Signal

Sensors, 2018
The paper considers the construction of a piezoelectric accelerometer capable of measuring constant linear acceleration. A number of designs are proposed that make it possible to achieve high sensitivity with small dimensions and a wide frequency band ...
Valery Gupalov, Alexander Kukaev, Sergey Shevchenko, Egor Shalymov, Vladimir Venediktov   +4 more
doaj   +1 more source

Low-Frequency Piezoelectric Accelerometer Array for Fully Implantable Cochlear Implants

Proceedings, 2018
We demonstrate a low-volume, stress-free, piezoelectric micro-electromechanical system (MEMS) cantilever array for fully implantable hearing aids. The 12-element spiral-matrix is sensitive to the lower part of audible frequency range (300⁻700 Hz ...
János Radó, Péter Udvardi, Saeedeh Soleimani, Lucky Kenda Peter, István Bársony, Péter Révész, János Volk   +6 more
doaj   +1 more source

Design and Fabrication of High-Frequency Resonant Micro-Accelerometer Based on Piezoelectric Stiffening Effect

Micromachines
In this work, a novel approach for implementing a resonant micro-accelerometer is demonstrated that may extend the operating frequency of such devices to several tens of MHz, which may enable direct wireless signal transfer.
Ankesh Todi, Hakhamanesh Mansoorzare, Reza Abdolvand   +2 more
doaj   +1 more source

Polymeric piezoelectric accelerometers with high sensitivity, broad bandwidth, and low noise density for organic electronics and wearable microsystems

Microsystems & Nanoengineering
Piezoelectric accelerometers excel in vibration sensing. In the emerging trend of fully organic electronic microsystems, polymeric piezoelectric accelerometers can be used as vital front-end components to capture dynamic signals, such as vocal vibrations
Chang Ge, Edmond Cretu
doaj   +1 more source

Comprehensive Noise Modeling of Piezoelectric Charge Accelerometer with Signal Conditioning Circuit

Micromachines
This paper reports on noise modeling of a piezoelectric charge accelerometer with a signal conditioning circuit. The charge output is converted into voltage and amplified using a JFET operational amplifier that has high input resistance and low noise ...
Ghulam Ali, Faisal Mohd-Yasin
doaj   +1 more source

Evaluation of the Diagnostic Sensitivity of Digital Vibration Sensors Based on Capacitive MEMS Accelerometers

Sensors
In recent years, there has been an increasing use of digital vibration sensors that are based on capacitive MEMS accelerometers for machine vibration monitoring and diagnostics. These sensors simplify the design of monitoring and diagnostic systems, thus
Marek Fidali, Damian Augustyn, Jakub Ochmann, Wojciech Uchman   +3 more
doaj   +1 more source