disk n. 1.圆盘;盘状,盘状物。 2.【体育】铁饼;〔美国〕唱片。 3.【植物;植物学】花盘;【动物;动物学】盘;【农业】(圆盘)耙片。 4.【自动化】(电子计算机的)数据存储盘;(照相排版机的)机盘。 the disk of the sun 太阳表面。 disk recording 灌唱片。 vt. 1.使成圆盘状。 2.用圆盘耙耕(地)。 3.灌(唱片),把…录制成唱片。
Non - synchronous response and bifurcation character of two - disk rotor system with a non - centralized sfd 系统的非协调响应和分叉特性
Coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down 摘要就磁轴承发生故障时转子坠入备用轴承所?生的非线性瞬态响应,提出了摩擦力的计算模型,从理论上建立了更为精确的运动微分方程。
A coulomb friction model with high accuracy is proposed so that more accurate equations of motion can be established for the transient response of the single - disk rotor which drops onto the back - up bearing as soon as amb shuts down 摘要就磁轴承发生故障时转子坠入备用轴承所?生的非线性瞬态响应,提出了摩擦力的计算模型,从理论上建立了更为精确的运动微分方程。
In this thesis , a multi - disk rotor supported by two plain journal bearings is used for the numerical and experimental studies . the one aim is to analyze the nonlinear dynamic characteristics of the rotor system under different varying parameters ; the methods of online elimination of the oil whip and subharmonic vibration are developed and studied also . besides the expression of the nonlinear oil film force is proposed , so that the unbalance of the nonlinear rotor system may be identified online 作者在总结了前人大量的有关非线性振动研究工作的基础上,确立了本文的研究目标:一是以工程应用为背景,研究转子-轴承系统由非线性油膜力引起的非线性振动特性以及各种影响因素,力图通过对转子-轴承系统非线性振动特性的分析,找到切实可行的在线消除油膜振荡的办法;二是研究非线性油膜力的表达方法式,使非线性转子系统的不平衡量在线识别成为可能。
In this thesis , a single disk rotor supported by two rolling bearings is used for studies , and a new method of reducing the vibration is proposed . the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression , a kind of passive electro - magnetic damper is presented . the structure of it is similar to that of the active magnetic bearing 为了降低转子的振动,增加系统的稳定性,本文在总结当前国内外学者研究的基础之上,提出了被动式电磁阻尼器的概念,并确立了本文的研究目标和研究方法:以工程应用为背景,结合转子动力学理论、电磁学理论以及数据采集技术,以理论辅以实验的方法,对被动式电磁阻尼器特性进行深入研究。