A brief review and analysis of two historical models of the electron, the charged spinning sphere and Goudsmit and Uhlenbeck’s concept, is presented. It is shown that the enormous potential of classical electrodynami...A brief review and analysis of two historical models of the electron, the charged spinning sphere and Goudsmit and Uhlenbeck’s concept, is presented. It is shown that the enormous potential of classical electrodynamics has been underutilized in particle physics. Such observation leads to discovery of a principal component in the electron inner structure—the charged c-ring. The intrinsic (fundamental) electron model based on the charged c-ring successfully explains the ontology of the charge fractionation in quantum chromodynamics and the formation of Cooper pairs in superconductivity. The c-ring properties are explained on the basis of the General Compton Conditions as defined. Properties of the charged c-ring include the explanation of the boundary conditions, electro-magnetostatic field configuration, self-mass, spin, magnetic moment, and the gyromagnetic ratio. The self-mass of the intrinsic electron is 100% electro-magnetostatic and it is shown how to compute its value. The classical-quantum divide no longer exists. Relation between the intrinsic electron and the electron is fundamentally defined. The electron is the composite fermion consisting of the intrinsic electron and the neutrino. The ontology of the anomaly in the electron magnetic moment is demonstrated—it is due to the addition of the neutrino magnetic moment to the overall electron magnetic moment. The intrinsic electron replaces the W? boson in particle physics, resulting in a fundamental implication for the Standard Model.展开更多
针对自适应局部迭代滤波(Adaptive Local Iterative Filtering,ALIF)方法的模态混叠问题,提出了基于伪极值点的自适应局部迭代滤波(Pseudo-extrema-based Adaptive Local Iterative Filtering,PEALIF)方法.此方法采用增加伪极值点的方...针对自适应局部迭代滤波(Adaptive Local Iterative Filtering,ALIF)方法的模态混叠问题,提出了基于伪极值点的自适应局部迭代滤波(Pseudo-extrema-based Adaptive Local Iterative Filtering,PEALIF)方法.此方法采用增加伪极值点的方式使得信号极值点的分布更均匀,有效地抑制模态混叠问题的同时,亦保证了算法分解的顺序性.详细介绍了EPALIF方法的原理,同时构建仿真信号,将此方法与EMD、EEMD、CEEMD和ALIF方法进行分析和对比.结果表明PEALIF在分解能力、抑制模态混叠和抗噪声干扰等方面都具有一定的优越性.最后,将此方法应用在双半内圈轴承故障诊断中,实验结果表明PEALIF方法能获取更突出且易于辨识的故障特征信息,证实了该方法应用在轴承故障诊断分析上的实用性.展开更多
To satisfy the requirements for the precise formation of large-scale high-performance lightweight components with inner ring reinforcement, a new multidirectional loading rotary extrusion forming technology is develop...To satisfy the requirements for the precise formation of large-scale high-performance lightweight components with inner ring reinforcement, a new multidirectional loading rotary extrusion forming technology is developed to match the linear motion with the rotary motion and actively increases the strong shear force. Its principle is that the radial force and rotating torque increase when the blank is axially extruded and loaded. Through the synergistic action of axial, radial, and rotating motions, the orderly fow of metal is controlled, and the cumulative severe plastic deformation (SPD) of an“uplift-trowel” micro-area is generated. Consequently, materials are uniformly strengthened and toughened. Simultaneously, through the continuous deformation of a punch “ellipse-circle,” a high reinforcement component is grown on the cylinder wall to achieve the high-quality formation of cylindrical parts or the inner-ring-reinforcement components. Additionally, the efective strain increases with rotation speed, and the maximum intensity on the basal plane decreases as the number of revolutions increase. The punch structure also afects the axial extrusion loading and equivalent plastic strain. Thus, the proposed technology enriches the plastic forming theory and widens the application feld of plastic forming. Furthermore, the formed large-scale high-performance inner-ring-stifened magnesium components have been successfully verifed in aerospace equipment, thereby solving the problems of integral forming and severe deformation strengthening and toughening. The developed technology has good prospects for mass production and application.展开更多
文摘A brief review and analysis of two historical models of the electron, the charged spinning sphere and Goudsmit and Uhlenbeck’s concept, is presented. It is shown that the enormous potential of classical electrodynamics has been underutilized in particle physics. Such observation leads to discovery of a principal component in the electron inner structure—the charged c-ring. The intrinsic (fundamental) electron model based on the charged c-ring successfully explains the ontology of the charge fractionation in quantum chromodynamics and the formation of Cooper pairs in superconductivity. The c-ring properties are explained on the basis of the General Compton Conditions as defined. Properties of the charged c-ring include the explanation of the boundary conditions, electro-magnetostatic field configuration, self-mass, spin, magnetic moment, and the gyromagnetic ratio. The self-mass of the intrinsic electron is 100% electro-magnetostatic and it is shown how to compute its value. The classical-quantum divide no longer exists. Relation between the intrinsic electron and the electron is fundamentally defined. The electron is the composite fermion consisting of the intrinsic electron and the neutrino. The ontology of the anomaly in the electron magnetic moment is demonstrated—it is due to the addition of the neutrino magnetic moment to the overall electron magnetic moment. The intrinsic electron replaces the W? boson in particle physics, resulting in a fundamental implication for the Standard Model.
文摘针对自适应局部迭代滤波(Adaptive Local Iterative Filtering,ALIF)方法的模态混叠问题,提出了基于伪极值点的自适应局部迭代滤波(Pseudo-extrema-based Adaptive Local Iterative Filtering,PEALIF)方法.此方法采用增加伪极值点的方式使得信号极值点的分布更均匀,有效地抑制模态混叠问题的同时,亦保证了算法分解的顺序性.详细介绍了EPALIF方法的原理,同时构建仿真信号,将此方法与EMD、EEMD、CEEMD和ALIF方法进行分析和对比.结果表明PEALIF在分解能力、抑制模态混叠和抗噪声干扰等方面都具有一定的优越性.最后,将此方法应用在双半内圈轴承故障诊断中,实验结果表明PEALIF方法能获取更突出且易于辨识的故障特征信息,证实了该方法应用在轴承故障诊断分析上的实用性.
基金Supported by National Natural Science Foundation of China(Grant Nos.52075501,51775520)Joint Funds of National Natural Science Foundation of China(Grant No.U20A20230)Shanxi Scholarship Council of China(2021-127).
文摘To satisfy the requirements for the precise formation of large-scale high-performance lightweight components with inner ring reinforcement, a new multidirectional loading rotary extrusion forming technology is developed to match the linear motion with the rotary motion and actively increases the strong shear force. Its principle is that the radial force and rotating torque increase when the blank is axially extruded and loaded. Through the synergistic action of axial, radial, and rotating motions, the orderly fow of metal is controlled, and the cumulative severe plastic deformation (SPD) of an“uplift-trowel” micro-area is generated. Consequently, materials are uniformly strengthened and toughened. Simultaneously, through the continuous deformation of a punch “ellipse-circle,” a high reinforcement component is grown on the cylinder wall to achieve the high-quality formation of cylindrical parts or the inner-ring-reinforcement components. Additionally, the efective strain increases with rotation speed, and the maximum intensity on the basal plane decreases as the number of revolutions increase. The punch structure also afects the axial extrusion loading and equivalent plastic strain. Thus, the proposed technology enriches the plastic forming theory and widens the application feld of plastic forming. Furthermore, the formed large-scale high-performance inner-ring-stifened magnesium components have been successfully verifed in aerospace equipment, thereby solving the problems of integral forming and severe deformation strengthening and toughening. The developed technology has good prospects for mass production and application.