摘要：【中文】公开了城市短历时暴雨雨型构建方法。步骤包括从城市逐年分钟雨量资料中挑选降雨历时的每年最大雨量值作为样本数据，拟合暴雨强度公式，通过计算暴雨强度公式理论值和频率拟合设计值的误差，根据误差修正暴雨强度公式，将历时相同的入选降雨样本的雨峰位置系数算术平均，再将不同历时降雨的平均雨峰位置系数进行加权平均，计算出综合雨峰位置系数，基于所述综合雨峰位置系数将降雨历时时间序列分为峰前和峰后两个部分，计算雨峰前后瞬时降雨强度，根据综合雨峰位置系数和所述公式计算合成暴雨过程的各时段的平均降雨量和累计降雨量，再通过计算各时段的降雨强度确定对应短历时暴雨雨型。 【EN】A method for constructing the short-duration rainstorm type of city is disclosed. The method comprises the steps of selecting the annual maximum rainfall value with the duration of rainfall from rainfall data of urban annual minutes as sample data, fitting a rainstorm intensity formula, calculating the error of a theoretical value and a frequency fitting design value of the rainstorm intensity formula, correcting the rainstorm intensity formula according to the error, arithmetically averaging the rainfall peak position coefficients of selected rainfall samples with the same duration, carrying out weighted averaging on the average rainfall peak position coefficients of rainfall with different durations, calculating a comprehensive rainfall peak position coefficient, dividing a rainfall duration time sequence into a front part and a rear part based on the comprehensive rainfall peak position coefficient, calculating instantaneous rainfall intensity before and after a rainstorm peak, calculating the average rainfall and the accumulated rainfall of each period of the synthetic rainstorm process according to the comprehensive rainfall peak position coefficient and the formula, and determining the corresponding short-duration rainstorm type by calculating the rainfall intensity of each period.

摘要：【中文】本发明属于管道探测和机器人设计技术领域，本发明公开了一种管道探测蛇形机器人及其控制装置。所述管道探测蛇形机器人包括3个以上相互连接的单元模块，所述单元模块分为普通模块与驱动模块，所述普通模块与驱动模块交替连接，形成管道探测蛇形机器人的总长度，总长度根据管道直径的大小可变，以满足在管道内部贴附管壁螺旋一周到两周，使其稳定贴附在管壁上，通过驱动模块提供驱动力驱使机器人运动。本发明采用紧贴管线内壁做螺旋运动的推进方式，当管径小到不适合螺旋运动时，又可以做直线运动，这样可以适应从小口径到大口径不同的管道进行探测运动，通过增减单元模块的数量及各单元模块之间的相对夹角，可以使其贴附在不同管径的管壁内。 【EN】The invention belongs to the technical field of pipeline detection and robot design, and discloses a pipeline detection snake-shaped robot and a control device thereof. The snake-shaped robot is surveyed to pipeline includes interconnect's more than 3 unit modules, the unit module divide into ordinary module and drive module, ordinary module and drive module are connected in turn, form the total length of pipeline survey snake-shaped robot, and the total length is variable according to the size of pipeline diameter to satisfy in the inside attached pipe wall spiral of pipeline one week to two weeks, make it stably attached on the pipe wall, provide drive power through drive module and order about the robot motion. The invention adopts a propelling mode of carrying out spiral motion by clinging to the inner wall of the pipeline, and can carry out linear motion when the pipe diameter is too small to be suitable for spiral motion, thus being suitable for the detection motion of pipelines with different diameters from small diameter to large diameter, and the pipe walls with different diameters can be attached by increasing and decreasing the number of unit modules and the relative included angles among the unit modules.

摘要：【中文】本发明公开了一种数字地表模型的生成方法及装置，利用分辨率为2‑6m的三个或三个以上影像组成多组立体像对，其中至少一个影像为高分辨率立体测绘卫星获取的异轨影像；根据多组立体像对，生成多视角点云数据；对多视角点云数据进行融合，提取建筑光学点云数据；利用建筑光学点云数据及少量激光雷达数据提取的建筑物高度，确定建筑物的实际高度；利用立体像对融合点云和建筑物高度，生成城区数字地表模型。本发明生成的数字地表模型不需要分辨率小于或等于1m的高分辨率影像，降低成本，并且利用建筑光学点云数据及激光雷达数据提取的建筑物高度来确定建筑物的实际高度，提高了数字地表模型的高度的精度，从而提高了数字地表模型的准确度。 【EN】The invention discloses a method and a device for generating a digital earth surface model, wherein three or more than three images with the resolution of 2-6m are utilized to form a plurality of groups of stereo image pairs, wherein at least one image is an off-orbit image acquired by a high-resolution stereo surveying and mapping satellite; generating multi-view point cloud data according to the multiple groups of stereo pairs; fusing the multi-view point cloud data and extracting building optical point cloud data; determining the actual height of the building by using the building optical point cloud data and the building height extracted by a small amount of laser radar data; and (4) utilizing the stereopair to fuse the point cloud and the building height to generate a digital earth surface model of the urban area. The digital earth surface model generated by the invention does not need a high-resolution image with the resolution ratio less than or equal to 1m, the cost is reduced, the actual height of the building is determined by utilizing the building optical point cloud data and the building height extracted by the laser radar data, the precision of the height of the digital earth surface model is improved, and the accuracy of the digital earth surface model is improved.

摘要：【中文】本发明公开了一种基于应变能的古建木梁破坏位置判别方法，包括以下步骤：确定古建木梁典型截面j、测点i；测量t时刻、t’时刻古建木梁在静荷载作用下典型截面j的对数应变能求各典型截面j的对数应变能增量绝对值Δlog W^j，并按照Δlog W^j从大至小排序，则排序在前的典型截面的破坏概率大于排序在后的典型截面的破坏概率，其中，t时刻与t’时刻的时间间隔为至少使排在第一的典型截面的Δlog W^j>0.01，本发明具有在无需知道木梁初始的应力应变状态情况下，实现从微观角度精准分析古建木梁结构破坏易发生位置的有益效果。 【EN】The invention discloses a method for judging damage positions of ancient building wood beams based on strain energy, which comprises the following steps of: determining a typical section j and a measuring point i of the ancient building timber beam; measuring logarithmic strain energy of typical section j of ancient timber beam at t moment and t' moment under the action of static loadObtaining the absolute value Delta log W of the logarithmic strain energy increment of each typical section j^jAnd according to Δ log W^jIn order from large to small, the probability of failure of the preceding representative cross section is greater than that of the following representative cross section, wherein the time interval between time t and time t' is at least Δ log W of the first representative cross section^j>0.01，The method has the advantage that the position where the ancient timber beam structure is easy to damage can be accurately analyzed from a microscopic angle under the condition that the initial stress-strain state of the timber beam is not needed to be known.

摘要：【中文】本发明属于电池领域，具体涉及一种燃料电池动态性能测试系统，包括提供符合预设标准氢气的供氢单元、提供符合预设标准氧气的供氧单元、与燃料电池阳极相连的第一压差传感器、与燃料电池阴极相连的第二压差传感器，所述供氢单元与第一压差传感器相连向燃料电池阳极提供氢气，所述供氧单元与第二压差传感器相连向燃料电池阴极提供氧气；所述测试系统还包括电子负载、交流阻抗测试仪、氢气浓度传感器和数据采集及处理单元，所述电子负载、氢气浓度传感器均与燃料电池相连。本发明的有益效果是：本发明能及时发现并调节燃料电池的水平衡问题，提高燃料电池效率，延长燃料电池的使用寿命，并使燃料电池测试运行更加安全可靠。 【EN】The invention belongs to the field of batteries, and particularly relates to a dynamic performance test system of a fuel cell, which comprises a hydrogen supply unit for providing hydrogen meeting a preset standard, an oxygen supply unit for providing oxygen meeting the preset standard, a first differential pressure sensor connected with the anode of the fuel cell, and a second differential pressure sensor connected with the cathode of the fuel cell, wherein the hydrogen supply unit is connected with the first differential pressure sensor to provide hydrogen for the anode of the fuel cell, and the oxygen supply unit is connected with the second differential pressure sensor to provide oxygen for the cathode of the fuel cell; the testing system further comprises an electronic load, an alternating current impedance tester, a hydrogen concentration sensor and a data acquisition and processing unit, wherein the electronic load and the hydrogen concentration sensor are connected with the fuel cell. The invention has the beneficial effects that: the invention can find and adjust the water balance problem of the fuel cell in time, improve the efficiency of the fuel cell, prolong the service life of the fuel cell and ensure that the test operation of the fuel cell is safer and more reliable.

摘要：【中文】本发明实施例提供一种终端室内定位方法及系统，该方法包括：获取待测终端接收到多个广播信号的强度；根据每一广播信号的强度和信号传播损耗模型，获取待测终端与每一信号发送设备的距离；根据每一信号发送设备的预设三维坐标和待测终端与每一信号发送设备的距离，获取待测终端的初始三维坐标；根据待测终端当前室内的三维建筑地图，对初始三维坐标进行校正，获取待测终端的最佳三维坐标。本发明实施例通过待测终端接收到的广播信号的强度，结合每个信号发送设备的预设三维坐标，就可以计算出待测终端的初始三维坐标，结合室内三维建筑地图，对该待测终端的初始三维坐标进行校正，从而提高了终端室内定位的准确性。 【EN】The embodiment of the invention provides a terminal indoor positioning method and a terminal indoor positioning system, wherein the method comprises the following steps: acquiring the strength of a plurality of broadcast signals received by a terminal to be tested; acquiring the distance between the terminal to be tested and each signal sending device according to the intensity of each broadcast signal and the signal propagation loss model; acquiring an initial three-dimensional coordinate of the terminal to be detected according to a preset three-dimensional coordinate of each signal transmitting device and the distance between the terminal to be detected and each signal transmitting device; and correcting the initial three-dimensional coordinate according to the current indoor three-dimensional building map of the terminal to be detected to obtain the optimal three-dimensional coordinate of the terminal to be detected. According to the embodiment of the invention, the initial three-dimensional coordinate of the terminal to be detected can be calculated by combining the intensity of the broadcast signal received by the terminal to be detected and the preset three-dimensional coordinate of each signal sending device, and the initial three-dimensional coordinate of the terminal to be detected is corrected by combining an indoor three-dimensional building map, so that the accuracy of indoor positioning of the terminal is improved.

摘要：【中文】本申请公开了一种路面裂缝检测的方法、装置及计算机设备，涉及计算机技术领域，可以解决在对路面裂缝进行检测时，容易产生的检测效率低下，准确性低，环境干扰性强的问题。其中方法包括：获取道路裂缝图像，并进行预处理；利用所述道路裂缝图像训练deeplab V3+网络模型；依据训练好的所述deeplab V3+网络模型对路面图像进行裂缝检测，并提取出裂缝信息。本申请适用于对路面中裂缝区域的检测。 【EN】The application discloses a method and a device for detecting a pavement crack and computer equipment, relates to the technical field of computers, and can solve the problems of low detection efficiency, low accuracy and strong environmental interference which are easily generated when the pavement crack is detected. The method comprises the following steps: acquiring a road crack image and preprocessing the road crack image; training a deplab V3+ network model by using the road crack image; and carrying out crack detection on the road surface image according to the trained deplab V3+ network model, and extracting crack information. The method and the device are suitable for detecting the crack area in the pavement.

摘要：【中文】本申请公开了一种无源RFID移动测距数据降噪方法、装置及计算机设备，可以解决在利用无源电子标签进行定位时，容易由于环境干扰导致测算距离存在误差的问题。其中方法包括：为待测距对象配置电子标签；按照预设路线以预定周期采集所述待测距对象对应的标签信号强度；将所述标签信号强度输入训练成功的优化去噪模型中，获取得到标签信号强度最优估计值；数据处理中心根据所述标签信号强度最优估计值解算出所述待测距对象与感应器之间的距离。本申请适用于在利用无源RFID移动测距过程中对标签信号强度的降噪处理。 【EN】The application discloses a passive RFID mobile ranging data noise reduction method, a passive RFID mobile ranging data noise reduction device and computer equipment, and can solve the problem that errors exist in measured and calculated distances easily due to environmental interference when a passive electronic tag is used for positioning. The method comprises the following steps: configuring an electronic tag for an object to be detected; acquiring the label signal intensity corresponding to the object to be detected according to a preset route in a preset period; inputting the label signal intensity into an optimized denoising model successfully trained to obtain an optimal estimation value of the label signal intensity; and the data processing center calculates the distance between the object to be measured and the inductor according to the label signal intensity optimal estimation value. The method and the device are suitable for denoising the label signal strength in the passive RFID mobile ranging process.

摘要：【中文】本发明属于电池领域，具体涉及一种用于严寒气候下车用质子交换膜燃料电池系统，包括提供符合预设标准氢气的供氢单元、提供符合预设标准氧气的供氧单元、为燃料电池供热的加热单元、为燃料电池冷却降温的制冷单元、以及PC控制及显示单元；所述供氢单元与燃料电池阳极相连，所述供氧单元与燃料电池阴极相连，所述加热单元、制冷单元均与燃料电池相连，所述PC控制及显示单元分别与加热单元、制冷单元电连接。本发明的有益效果是：本发明的质子交换膜燃料电池能够在严寒的环境下平稳运行，分别采用冷启动系统、冷却剂循环系统、高压氮气扫气系统来保证燃料电池在严寒条件下正常运行，提高车用质子交换膜燃料电池在低温下的性能。 【EN】The invention belongs to the field of batteries, and particularly relates to a proton exchange membrane fuel cell system for a vehicle in severe cold climate, which comprises a hydrogen supply unit for providing hydrogen meeting a preset standard, an oxygen supply unit for providing oxygen meeting the preset standard, a heating unit for supplying heat to a fuel cell, a refrigerating unit for cooling the fuel cell, and a PC control and display unit; the hydrogen supply unit is connected with the anode of the fuel cell, the oxygen supply unit is connected with the cathode of the fuel cell, the heating unit and the refrigerating unit are both connected with the fuel cell, and the PC control and display unit is respectively and electrically connected with the heating unit and the refrigerating unit. The invention has the beneficial effects that: the proton exchange membrane fuel cell can stably run in a severe cold environment, and the cold starting system, the coolant circulating system and the high-pressure nitrogen scavenging system are respectively adopted to ensure the normal running of the fuel cell under the severe cold condition, so that the performance of the proton exchange membrane fuel cell for the vehicle at low temperature is improved.

摘要：【中文】本发明公开了一种双轴加载微动疲劳试验系统及方法，该系统包括电液伺服双轴加载装置、微动疲劳加载装置、液压油源、电控系统以及上位机；所述电液伺服双轴加载装置设置有试验机承力框架、水平导轨、水平轴作动器和垂直轴作动器；所述微动疲劳加载装置设置有微动垫的水平加载装置、试件的垂直加载装置以及摩擦力采集装置。本发明可实现微动疲劳试验过程中法向载荷的实时控制，从而实现不同波形的交变法向载荷与交变远端载荷双轴比例与非比例加载条件下的微动疲劳试验，同时可对微动疲劳试验过程中微动垫和试件间的摩擦力、摩擦系数等微动关键参数进行实时测量和采集。 【EN】The invention discloses a double-shaft loading fretting fatigue test system and a method, wherein the system comprises an electro-hydraulic servo double-shaft loading device, a fretting fatigue loading device, a hydraulic oil source, an electric control system and an upper computer; the electro-hydraulic servo double-shaft loading device is provided with a testing machine bearing frame, a horizontal guide rail, a horizontal shaft actuator and a vertical shaft actuator; the fretting fatigue loading device is provided with a horizontal loading device of a fretting pad, a vertical loading device of a test piece and a friction force acquisition device. The invention can realize the real-time control of the normal load in the fretting fatigue test process, thereby realizing the fretting fatigue test under the conditions of biaxial proportion and non-proportional loading of alternating normal load and alternating far-end load with different waveforms, and simultaneously can carry out real-time measurement and acquisition on fretting key parameters such as friction force, friction coefficient and the like between the fretting pad and the test piece in the fretting fatigue test process.