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; (2) where P is the polarization; Pm is the maximum polarization; S is the strain; Sm is the maximum strain; εi is the initial permittivity; di is the initial piezoelectric constant... should be defined differently according to field direction (i.e., upward or downward). Another important point is the relationship between polarization and strain. The almost linear relationship appears......
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compensation of bonding fiber bragg grating strain sensors was verified through experiment, temperature compensation scheme of low-pass filter was proposed, and large-scale offshore floating cra, ne boom...; crane boom truss structure; bonded fiber Bragg grating strain sensors; health monitoring; real-time monitoring; temperature compensation; temperature compensation scheme of low-pass filter......
Thermo-mechanical properties of bowl-shaped grinding wheel andmachining error compensation for grinding indexable insertsZHANG Xiang-lei(张祥雷), YAO Bin(姚斌), CHEN Bin-qiang(陈彬强), SUN Wei-fang(孙维方... under combined action of centrifugal force and grinding heat at different speeds. A method of online dynamic monitoring and automatic compensation for dimension error of indexable insert was proposed......
J. Cent. South Univ. Technol. (2011) 18: 1509-1517 DOI: 10.1007/s11771-011-0867-3 Method of closed loop springback compensation for incremental sheet forming process HAN Fei(韩飞)1, MO Jian-hua(莫健华.... For complex car body covers, it will take more than several months in the mold pilot stage for repairing the die required for springback compensation [5-6]. As for the incremental sheet forming, according......
progress of MgCu2-type giant magnetostrictive materials with Pr[J]. Rare Metal Material and Engineering, 2014, 43(5): 1275-1280. [5] CLARK A E, PETER J P, WUNFOGLE M. Anisotropy compensation... compensation and spin reorientation in Tb1-xDyx(Fe0.8Co0.2)2[J]. Journal of Physics D, 2001, 34(6): 884-888. [14] LIU Jin-jun, REN Wei-jun, LI Da, SUN Nai-kun, ZHAO Xin-guo, LI Ji, ZHANG Zhi-dong. Magnetic......
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modeling could give an accurate and precise prediction for the flow stress of 2099 alloy. Key words: 2099 alloy; constitutive modeling; compensation of strain; flow stress 1 Introduction Aluminum..., the effect of strain is significant in the lower thermal deformation temperature regime. Hence, compensation of strain should be taken into account in order to develop the proper constitutive equations which......
J. Cent. South Univ. (2017) 24: 1909-1921 DOI: https://doi.org/10.1007/s11771-017-3598-2 Pressure-tracking control of a novel electro-hydraulic braking system considering friction compensation YONG... filter; sliding mode control; pressure-tracking; friction compensation 1 Introduction To date, most road vehicles still use conventional brake systems with vacuum boosters. There exist three distinct......
Prestiction friction compensation in direct-drive mechatronics systemsLI Zhi-qiang(黎志强), ZHOU Qing-kun(周擎坤), ZHANG Zhi-yong(张智永), ZHANG Lian-chao(张连超), FAN Da-peng(范大鹏) (College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha 410073, China)Abstract:LuGre model has been widely used in friction modeling and compensation. However, the new friction......
