1) anticollision and avoidance of obstacle
防碰绕障
1.
Multi-well anticollision and avoidance of obstacle in Well Du84-XingH73 drilling operation;
杜84-兴H73井多井防碰绕障技术与施工
3) anti-collision
防碰
1.
Normal plane distance scanning between adjacent wells is important in well trajectory design and anti-collision calculation.
邻井法面距离扫描在钻井轨道设计、井间防碰计算等问题中有重要的应用。
2.
Therefore,anti-collision problem should be taken into consideration.
随着油田勘探程度的提高,很多老油田进入加密井开发阶段,加密井的不断增多,使井距越来越小,因此进行定向井设计时,需要考虑到邻井的防碰问题,许多井需要采取绕障设计以达到防碰要求。
4) rub-impact fault
碰摩故障
1.
Based on the rub-impact fault levels and trends,a time series analysis technique,i.
基于对碰摩故障程度和趋势的分析要求,引入了采用时间序列分析方法的支持向量回归算法。
2.
An experimental setup was developed to investigate nonlinear vibration characteristics of rotor bearing system with rub-impact fault.
建立了转子碰摩故障的实验装置,通过实验研究了转子系统碰摩故障的非线性振动特征,发现对油膜力影响较小的系统,转定子碰摩使系统产生了半频及高频分量,而对于滑动轴承支撑的系统,较小的碰摩间隙使得系统在油膜涡动之前产生碰摩,系统产生了丰富的高频分量;当碰摩间隙较大时,碰摩在油膜涡动之后发生,此时碰摩对系统的影响很小,轴承油膜力对系统的影响最大
3.
The mapping space relationship was utilized to determine the phase transition of oscillator autonomously and quickly in order to catch the characteristic signal of mechanical faults as early and accurately as possible,and then the early detection of rub-impact fault in rotor was realized.
利用映射空间关系对混沌振子的相变进行自治而快速辨识,以尽早而准确地捕捉表征转子碰摩早期的特征信号,进而实现对转子碰摩故障进行早期检测。
5) Rub fault
碰摩故障
1.
The purpose of this paper is to detect vibration signals of induction motors with eccentricity, analyse them by continuous wavelet transfrom(CWT), and determine whether rub fault happens.
对于存在偏心故障的感应电动机,检测其振动信号,并应用连续小波变换进行信号分析,判断是否出现碰摩故障。
2.
Based on the rub fault characteristic of the rotating machinery,the rubbing vibration information was collected by eddy current sensor and virtual instrument.
针对旋转机械碰摩故障的特征,运用电涡流传感器和虚拟仪器采集转子碰摩振动状态信息,对转子碰摩振动信号的时域波形特征、碰摩振动时的轴心运动轨迹特征进行分析,同时应用LabVIEW软件对转子碰摩振动信号进行频谱分析,研究其故障特征,由此对旋转机械的碰摩故障进行识别和诊断。
6) rubbing fault
碰摩故障
1.
By using the experimental instruments for rubbing fault,the influences of nonlinear characteristics of rotor system with rubbing fault,such as eccentricity,clearance,and rubbing on mid-disc were studied.
分别建立了双盘悬臂转子轴承系统的力学模型、数学模型和碰摩力模型,同时利用转子碰摩故障的实验装置,研究了转子系统碰摩故障的非线性振动特性,对中间盘碰摩时转子系统的动力学特性、悬臂盘发生碰摩时转子系统的动力学特性进行了进一步分析,数值仿真结果与实验结果一致,对实际工程中转子系统的安全稳定运行具有一定的实际参考价值。
2.
In the local and global perspectives,the rotor rubbing fault signals are then analyzed.
应用HHT时频方法对转子早期局部碰摩和全局碰摩故障信号进行了分析,与传统的频谱分析比较表明:HHT时频方法具有良好的时频聚集性,能够很好地反映转子系统早期故障信号的时频特征,可以有效地对转子系统碰摩早期故障进行诊断。
补充资料：碰蛋
1.壮族男女青年表示真心相爱的一种活动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条