摘要：【中文】本发明实施例提供的一种操作日志的收集方法，装置及服务器。其中，一种操作日志的收集方法，应用于服务器，在监测到对Web应用的操作时，基于所述操作对应的网页的网页信息，获取所述操作所属业务的业务名称；对应于所述业务名称，记录所述操作产生的操作信息，得到所述业务名称对应的业务的操作日志。本方案可以提高所收集的Web应用的操作日志全面性。 【EN】The embodiment of the invention provides a method and a device for collecting operation logs and a server. The method for collecting the operation logs is applied to a server, and when the operation of Web application is monitored, the business name of a business to which the operation belongs is obtained based on webpage information of a webpage corresponding to the operation; and recording operation information generated by the operation corresponding to the service name to obtain an operation log of the service corresponding to the service name. The scheme can improve the comprehensiveness of the collected operation logs of the Web application.

摘要：【中文】本发明实施例提供的一种数据管理方法、装置、服务器及系统。其中，一种数据管理方法，应用于管理服务器，接收数据的查找指令；从尚未读取失败过的不同存储级别分别对应的存储装置中，选择存储级别最高的存储装置，读取符合查找指令的数据；当读取失败时，返回执行从尚未读取失败过的不同存储级别分别对应的存储装置中，选择级别最高的存储装置，读取符合查找指令的数据，否则，将读取成功的数据作为查找指令的查找结果；其中，存储级别为按照各存储装置的数据查找效率的差异以及存储空间大小的差异划分得到的；按照存储级别从低到高的顺序，数据查找效率逐级提高，且存储空间大小逐级减少。本方案可以实现兼顾数据的查找效率和完整性的效果。 【EN】The embodiment of the invention provides a data management method, a data management device, a server and a data management system. The data management method is applied to a management server and used for receiving a data search instruction; selecting a storage device with the highest storage level from storage devices respectively corresponding to different storage levels which are not read successfully, and reading data conforming to the search instruction; when the reading fails, returning to execute the storage devices respectively corresponding to different storage levels which are not read and failed, selecting the storage device with the highest level, reading the data which accords with the search instruction, and otherwise, taking the data which is read successfully as the search result of the search instruction; the storage level is obtained by dividing according to the difference of data searching efficiency of each storage device and the difference of the size of the storage space; according to the sequence of the storage levels from low to high, the data searching efficiency is gradually improved, and the size of the storage space is gradually reduced. The scheme can achieve the effect of giving consideration to the data searching efficiency and the integrity.

摘要：【中文】本申请提出一种传动轴寿命预测方法、装置及起重机。通过获取携带传动轴的振动信息的振动信号，对振动信号进行集合经验模态分解以获取降噪信号，再依据降噪信号判断是否到达性能衰退初始点，若是，则依据降噪信号和神经网络模型预测传动轴的寿命。能够实时监控传动轴的寿命，以便于操作人员对工程机械的健康状态进行判断。并且通过设置性能衰退初始点，避免过早开始寿命预测，降低误差，避免过晚开始寿命预测，从而避免影响操作人员的判断。 【EN】The application provides a transmission shaft service life prediction method and device and a crane. The method comprises the steps of acquiring a vibration signal carrying vibration information of a transmission shaft, carrying out ensemble empirical mode decomposition on the vibration signal to acquire a noise reduction signal, judging whether a performance degradation initial point is reached or not according to the noise reduction signal, and predicting the service life of the transmission shaft according to the noise reduction signal and a neural network model if the performance degradation initial point is reached. The service life of the transmission shaft can be monitored in real time, so that an operator can conveniently judge the health state of the engineering machinery. And by setting a performance decline initial point, the service life prediction is prevented from being started too early, the error is reduced, and the service life prediction is prevented from being started too late, so that the judgment of an operator is prevented from being influenced.

摘要：【中文】一种能进行角度调整并控制的压装工装，它是由底板固定在压机工作台面上，由定位分度板通过底板芯轴孔定位连接，下端通过螺母固定防止轴向窜动，支承块与底板通过其上的圆柱凸台连接，分度轴通过分度板中心孔及其上的键槽连接，保证了分度板转动角度时分度轴也同时转动，分度轴上端开槽与橡胶关节厚度一致，复位弹簧在减振器橡胶关节压装完成取出后使得分度轴弹起，V型支撑块起到支承减振器的作用，它与底板通过其上的长条开孔连接，可以根据长度不同进行调节。有益效果在于：可以适用360度范围内的不同角度的控制；压装效率较高；对操作人员的操作要求技术低，起到提高的准确性、提高生产效率、减轻人工劳动强度的目的。 【EN】A press mounting tool capable of adjusting and controlling angles is characterized in that a base plate is fixed on a working table surface of a press, a positioning dividing plate is connected with the base plate through a base plate mandrel hole in a positioning mode, the lower end of the positioning dividing plate is fixed through a nut to prevent axial movement, a supporting block is connected with the base plate through a cylindrical boss on the supporting block, a dividing shaft is connected with a key groove on the dividing plate through a dividing plate central hole, the dividing shaft is enabled to rotate simultaneously when the dividing plate rotates at an angle, an opening groove in the upper end of the dividing shaft is consistent with the thickness of a rubber joint, a reset spring enables the dividing shaft to bounce after the rubber joint of a shock absorber is taken out after press mounting is completed, a V-shaped supporting block plays a role in supporting the. Has the advantages that: the device can be suitable for controlling different angles within the range of 360 degrees; the press fitting efficiency is high; the operation requirement technology for operators is low, and the purposes of improving accuracy, improving production efficiency and reducing labor intensity are achieved.

摘要：【中文】本发明涉及一种轨道车辆用双循环结构油压减振器底阀组件，包括：阀座、单向阀系、压板和阻尼阀系。本发明采用多组小阀片式结构，油压减振器在高频运动时阀片不会发出很大噪音，阀片密封面面积小，加工难度低，易于实现；并且阀片与阀片座的密封面在底阀座内部，密封面不易磕碰受损；同时与阀片配合的阀片座、芯阀座与底阀座均为可拆卸式结构，在受损后可拆卸更换，不会造成整个底阀座的报废，有利于产品的检修。 【EN】The invention relates to a double-circulation structure oil pressure damper bottom valve component for a railway vehicle, which comprises: the valve comprises a valve seat, a one-way valve system, a pressure plate and a damping valve system. The invention adopts a multi-group small valve plate type structure, the valve plate can not generate great noise when the oil pressure damper moves at high frequency, the sealing surface area of the valve plate is small, the processing difficulty is low, and the realization is easy; the sealing surfaces of the valve plate and the valve plate seat are arranged in the bottom valve seat, so that the sealing surfaces are not easy to collide and damage; simultaneously with valve block complex valve block seat, core disk seat and base valve seat be detachable structure, can dismantle the change after impaired, can not cause scrapping of whole base valve seat, be favorable to the maintenance of product.

摘要：【中文】本发明提供了一种指纹图像处理方法、装置、电子设备及计算机可读介质，涉及图像处理的技术领域，包括：获取原始底纹图像和待处理的指纹图像，其中，原始底纹图像和待处理的指纹图像为采用相同的指纹传感器采集到的图像，且原始底纹图像和待处理的指纹图像为去噪之后的图像；在原始底纹图像中截取待处理的指纹图像对应的底纹图像，得到目标底纹图像；结合目标底纹图像和待处理的指纹图像确定待处理的指纹图像中的指纹信息，并利用指纹信息确定去底纹之后的指纹图像，本发明缓解了传统去底纹技术针对大面积屏下指纹传感器所采集的指纹图像去底纹效果差的技术问题。 【EN】The invention provides a fingerprint image processing method, a fingerprint image processing device, electronic equipment and a computer readable medium, which relate to the technical field of image processing and comprise the following steps: acquiring an original shading image and a fingerprint image to be processed, wherein the original shading image and the fingerprint image to be processed are images acquired by adopting the same fingerprint sensor, and the original shading image and the fingerprint image to be processed are images after being denoised; intercepting a shading image corresponding to a fingerprint image to be processed from an original shading image to obtain a target shading image; the fingerprint information in the fingerprint image to be processed is determined by combining the target shading image and the fingerprint image to be processed, and the fingerprint image after the shading is removed is determined by utilizing the fingerprint information.

摘要：【中文】一种轨道车辆用油压减振器内缸结构是在内缸缸体下部均匀设置至少三个内凸的凸台，所述凸台是通过挤压形成，并由此提出了一种内缸结构加工工具。有益效果在于：通过特殊的内缸结构设计，解决了传统内缸结构导致的油压减振器各部件加工难度大的技术缺陷，该内缸结构及加工工具的应用，有效减轻了油压减振器各部件的加工难度，在保证质量的同时减少了产品成本；另外，所述内缸结构不需要通过机加方式对其加工，而与内缸相配合的底阀结构简单，标准化程度提高，同时不减少内缸的壁厚，可有效降低生产成本，装配方式简单。采用新结构后在生产过程中可以降低生产成本，提高生产效率。同时，本发明提出了一种加工工具，该工具的应用，有效保证了特殊内缸结构加工的高精度。 【EN】An inner cylinder structure of an oil pressure shock absorber for a railway vehicle is characterized in that at least three inward convex bosses are uniformly arranged at the lower part of an inner cylinder body and are formed by extrusion, and therefore, a machining tool for the inner cylinder structure is provided. Has the advantages that: the technical defect that the machining difficulty of each part of the oil pressure shock absorber is large due to the traditional inner cylinder structure is overcome through the special inner cylinder structure design, the machining difficulty of each part of the oil pressure shock absorber is effectively reduced due to the application of the inner cylinder structure and the machining tool, and the product cost is reduced while the quality is ensured; in addition, the inner cylinder structure does not need to be machined, the bottom valve matched with the inner cylinder is simple in structure, the standardization degree is improved, the wall thickness of the inner cylinder is not reduced, the production cost can be effectively reduced, and the assembly mode is simple. After the novel structure is adopted, the production cost can be reduced in the production process, and the production efficiency is improved. Meanwhile, the invention provides a machining tool, and the application of the tool effectively ensures the high precision of the machining of the special inner cylinder structure.

摘要：【中文】一种轨道车辆用油液流动状态检测系统采用透明管壁制作的减振器内缸和透明的外缸组成的油压减振器，在外缸固定底座安装后，将底阀组成压入透明内缸并加入液压油，然后将上端用端盖密封即形成透明式油压减振器；利用拉压传感器及拉压试验机对使透明式油压减振器做伸缩运动即可观察油液的变化。有益效果在于：本技术方案解决了传统方法存在的在检测是不具备直观性的缺点，本技术方案可以直观有效的看出，所设计的减振器在运动状态下油液流经活塞阀系和底阀阀系时的变化、包括活塞密封结构对油液是否有效，在多大的拉压力作用下出现内部泄漏，油液通过阀系时出现平流还是紊流情况及出现油液气泡现象；所述检测系统具有结构简单、使用方便、操作简单、验证直观等技术特点。 【EN】An oil flow state detection system for a rail vehicle adopts an oil pressure damper consisting of a damper inner cylinder and a transparent outer cylinder which are made of transparent pipe walls, after an outer cylinder fixing base is installed, a bottom valve assembly is pressed into the transparent inner cylinder and hydraulic oil is added, and then the upper end of the oil pressure damper is sealed by an end cover to form the transparent oil pressure damper; the change of the oil can be observed by utilizing the tension and compression sensor and the tension and compression testing machine to make the transparent oil pressure shock absorber do telescopic motion. Has the advantages that: the technical scheme solves the defect that the traditional method has no intuition in detection, and can visually and effectively see that the change of the designed shock absorber in the motion state when oil flows through the piston valve system and the bottom valve system comprises whether the piston sealing structure is effective on the oil or not, internal leakage occurs under the action of great pulling pressure, and the phenomena of advection or turbulence and oil bubble occur when the oil passes through the valve system; the detection system has the technical characteristics of simple structure, convenience in use, simplicity in operation, intuition in verification and the like.

摘要：【中文】本发明提供了一种图像处理方法、装置和电子系统；其中，该方法包括：电子设备获取指纹图像；基于预存的指纹动态背景和指纹图像，判断指纹图像是否满足预设条件；当指纹图像满足预设条件时，基于指纹图像和电子设备获取的上一指纹图像，对预存的指纹动态背景进行更新。该方式中，更新后的指纹动态背景同时具有本次获取的指纹图像和上一指纹图像的特征，在本次指纹图像出现异常的情况下可以保证指纹动态背景的效果更好，提升指纹图像的处理效果，降低异常状态下指纹识别的误拒率。 【EN】The invention provides an image processing method, an image processing device and an electronic system; wherein, the method comprises the following steps: the electronic equipment acquires a fingerprint image; judging whether the fingerprint image meets a preset condition or not based on a prestored fingerprint dynamic background and a prestored fingerprint image; and when the fingerprint image meets the preset condition, updating the pre-stored fingerprint dynamic background based on the fingerprint image and the last fingerprint image acquired by the electronic equipment. In the mode, the updated fingerprint dynamic background has the characteristics of the acquired fingerprint image and the previous fingerprint image at the same time, the effect of the fingerprint dynamic background can be better ensured under the condition that the fingerprint image is abnormal, the processing effect of the fingerprint image is improved, and the false rejection rate of fingerprint identification in an abnormal state is reduced.

摘要：【中文】本发明涉及一种轨道车辆用双循环结构油压减振器活塞组件，包括：活塞、阻尼阀系和单向阀系。本发明通过减振器拉伸运动和压缩运动时阻尼孔分别单独设计，解决双循环结构减振器在节流孔开启前拉伸阻尼力和压缩阻尼力不对称问题，并且可以灵活调节拉伸和压缩阻尼，两者互不影响，提高了轨道车辆的运行性能和舒适性。 【EN】The invention relates to a double-circulation structure oil pressure damper piston assembly for a railway vehicle, which comprises: a piston, a damping valve train and a check valve train. According to the invention, the damping holes are respectively and independently designed during the stretching movement and the compression movement of the shock absorber, so that the problem of asymmetry of the stretching damping force and the compression damping force of the shock absorber with a double-circulation structure before the throttling hole is opened is solved, the stretching damping and the compression damping can be flexibly adjusted without mutual influence, and the running performance and the comfort of the railway vehicle are improved.