Quasi-Zero Stiffness Vibration Sensing and Energy Harvesting Integration Based on Buckled Piezoelectric Euler Beam [PDF]
Sensors, 2023 This paper presents a novel quasi-zero stiffness vibration sensing and energy harvesting integration system for absolute displacement measurements based on a buckled piezoelectric Euler beam (BPEB) with quasi-zero stiffness (QZS) characteristics.
Jiying Tuo +4 more
doaj +2 more sources
A Highly Sensitive Triboelectric Quasi‐Zero Stiffness Vibration Sensor with Ultrawide Frequency Response [PDF]
Advanced Science, 2023 Sensors based on triboelectric nanogenerators (TENGs) have gained worldwide interest owing to their advantages of low cost and self‐powering. However, the detection of most triboelectric vibration sensors (TVS) is restricted to low frequency, whereas ...
Pengfan Wu +7 more
doaj +2 more sources
Research on a nonlinear quasi-zero stiffness vibration isolator with a vibration absorber [PDF]
Science Progress, 2020 A negative stiffness mechanism consisting of a spring and cylinder is proposed, and a grounded dynamic vibration absorber is designed based on a quasi-zero stiffness vibration isolator to constitute the vibration isolator with a vibration absorber system.
Shao-Hua Li, Nan Liu, Hu Ding
doaj +2 more sources
Introducing the inverted pendulum as a negative stiffness mechanism and a novel structural system to improve seismic performance using a quasi-zero stiffness approach [PDF]
Scientific ReportsEarthquakes are significant factors contributing to the damage and failure of structures. Seismic isolators are one of the effective solutions for mitigating the impact of earthquakes.
Abdallah Azizi, Majid Barghian
doaj +2 more sources
Pendulum column with inclined negative stiffness as a novel hybrid seismic isolation mechanism integrated into soil with pile-like characteristics [PDF]
Scientific ReportsEarthquakes caused major structural damage, prompting the development of seismic isolation techniques. On the other hand, building structures on weak soils poses many challenges due to their lack of bearing capacity and inappropriate behavior in the long
Abdallah Azizi, Majid Barghian
doaj +2 more sources
Roller vibroprotection mechanism with a quasi-zero stiffness section
Journal of Physics: Conference Series, 2020 Abstract A new numerical method for designing the profile of the support surface for moving the vibration protection mechanism pressure roller for the operator’s seat in road and construction machines has been developed. The roller vibration protection mechanism of the type under consideration provides for the required force ...
M. S. Korytov +3 more
openaire +1 more source
Application of the parallelogram mechanism with the effect of quasi-zero stiffness in the vibration protection systems of the operator’s chair of a road construction machine [PDF]
Научно-технический вестник Брянского государственного университета, 2021 For vibration protection of operators of construction and road machines, a promising direction is the use of passive vibration protection systems based on mechanisms with quasi-zero rigidity.
Korytov M.S. +2 more
doaj +1 more source
Dynamic Analysis of Quasi-Zero Stiffness Pneumatic Vibration Isolator
Applied Sciences, 2022 This paper focuses on analyzing the dynamic response of an innovated quasi-zero stiffness pneumatic vibration isolator (QZSPVI) using two mechanisms, including wedge and semicircle cam. Different from other studies relating quasi-zero stiffness isolation
Ngoc Yen Phuong Vo, Thanh Danh Le
doaj +1 more source
Quasi-Zero Stiffness Isolator Suitable for Low-Frequency Vibration
Machines, 2023 This paper proposes a quasi-zero stiffness (QZS) isolator based on an inclined trapezoidal beam to explore its advantages in low-frequency passive vibration isolation. The nonlinear stiffness of the inclined trapezoidal beam due to the buckling effect is
Guangdong Sui +5 more
doaj +1 more source
Jixie qiangdu, 2021 In the field of low-frequency vibration isolation research,the proposed quasi-zero stiffness provides people with new solutions.This paper systematically summarizes the structure and characteristics of various quasi-zero stiffness isolators.The control ...
刘琪 +4 more
doaj