Web利用固有频率异常值分析法检测螺栓拧紧力. 2015-05-25 缑百勇 陆秋海 王波 王世英
Autonomous bolt loosening detection using deep learning
WebMar 25, 2024 · Then, a bolt looseness identification method based on ASR and coherence resonance (CR) is proposed. A quality factor index is defined, which is used to identify stochastic resonance (SR) and CR for bolt looseness identification. ... An Assembly Tightness Detection Method for Bolt-Jointed Rotor With Wavelet Energy Entropy,” WebApr 1, 2024 · The development trend of bolt looseness detection technology is prospected. Abstract. Loosening of threaded fasteners can cause preload decline, induce bolt fatigue fracture, and severely compromise the reliability of mechanical products. Loosening detection is an effective method for early prevention of severe loosening … find the circumference of the circle r 3 ft
Hybrid bolt-loosening detection in wind turbine tower …
WebOct 26, 2016 · bolt health monitoring and bolt looseness detection [1]. Coin-tap is commonly used in engineering practices, including in the detection of bolt looseness. WebJul 15, 2024 · In chapter 2, the feasibility of bolt looseness detection based on EMI was analyzed through theoretical deduction. In chapter 3 and chapter 4, finite element model that couples the electrostatic field and the mechanical field was established, and the relationship between excitation frequency and detection range was explored, which was also ... WebMar 1, 2024 · Looseness detection in bolt-connected joints is vital in ensuring safety and keeping the service stability of structures. Thus, various structural health monitoring methods have been introduced for bolt looseness detection by many researchers. However, most of them studied a single bolt, which may not be readily applicable to … find the circumference of the circle d 6ft