摘要：【中文】本发明提供一种基于遗传算法的矿井降阻优化方法，涉及矿用通风技术领域。本发明根据拓扑数据和可调分支及调风地点约束，采用遗传算法与通风网络理论、图论和矿井实际密切结合的方法进行降阻调节，得到调节后的分支风量分配值Q'、风阻调节值、调节分支巷道扩断面面积以及最优适应值。可以大大减少计算量、工程量和风机负载，能很好地解决调风地点约束和大规模通风网络的优化问题。 【EN】The invention provides a mine resistance reduction optimization method based on a genetic algorithm, and relates to the technical field of mine ventilation. According to topological data, adjustable branch and wind regulation place constraints, the method of closely combining genetic algorithm with ventilation network theory, graph theory and mine reality is adopted to carry out resistance reduction regulation, and the regulated branch wind distribution value Q', the wind resistance regulation value, the regulated branch roadway expansion surface area and the optimal adaptive value are obtained. The method can greatly reduce the calculated amount, the engineering amount and the fan load, and can well solve the problems of wind regulation site restriction and large-scale ventilation network optimization.

摘要：【中文】本发明公开了一种基于累积变异比的集成超限学习机高光谱图像分类方法，首先定义了波段的累积变异比函数来确定各波段在分类算法的贡献程度；然后基于累积变异比函数剔除低效波段，并结合空谱特征进行平均分组加权随机选择降维；最后，为了进一步提高算法的泛化能力，对降维后提取的空谱特征进行多次样本重采样，训练得到多个超限学习机弱分类器，再将多个弱分类器的结果通过投票表决，得到最后的分类结果。采用典型的高光谱数据集进行测试，实验结果表明，本发明提出的方法具有确定参数少，总体分类精度较高的优点，本发明能够有效地提高高光谱图像分类的精度，能够快速地完成高光谱图像分类，能够满足高光谱图像分类精度的需求。 【EN】The invention discloses a hyper-spectral image classification method of an integrated ultralimit learning machine based on cumulative variation ratio, which comprises the steps of firstly defining cumulative variation ratio functions of wave bands to determine the contribution degree of each wave band in a classification algorithm; then, removing inefficient wave bands based on an accumulated variation ratio function, and carrying out average grouping weighting random selection dimension reduction by combining with space spectrum characteristics; and finally, in order to further improve the generalization capability of the algorithm, carrying out repeated sample resampling on the space spectrum features extracted after dimensionality reduction, training to obtain a plurality of over-limit learning machine weak classifiers, and voting the results of the plurality of weak classifiers by voting to obtain the final classification result. The hyperspectral image classification method has the advantages of being few in determined parameters and high in overall classification accuracy, and can effectively improve the hyperspectral image classification accuracy, quickly finish hyperspectral image classification and meet the requirement of hyperspectral image classification accuracy.

摘要：【中文】本发明提供一种基于物联网的电力机柜监测与控制系统及方法，涉及电力机柜物联网监测技术领域。该系统包括多个电力机柜、远程服务器以及监控终端；每个电力机柜均包括电动锁、开锁按钮、开锁信息采集模块、物联网终端模块、门锁状态监控模块以及供电电源；通过物联网终端模块将开锁人员信息发送到远程服务器，远程服务器判断开锁人员是否具有开锁权限，进而控制电动锁的开启；具有开锁权限的管理员通过监控终端、远程服务器以及物联网终端实现对电动锁的远程开启；同时，该系统还包括门锁状态监控模块、环境检测模块、定位模块、振动检测模块及漏电检测模块对电动锁的状态及电力机柜的状态进行实时监测，并将监测信息实时反馈到远程服务器。 【EN】The invention provides an electric cabinet monitoring and control system and method based on the Internet of things, and relates to the technical field of electric cabinet Internet of things monitoring. The system comprises a plurality of power cabinets, a remote server and a monitoring terminal; each electric cabinet comprises an electric lock, an unlocking button, an unlocking information acquisition module, an Internet of things terminal module, a door lock state monitoring module and a power supply; the information of the unlocking personnel is sent to a remote server through an Internet of things terminal module, and the remote server judges whether the unlocking personnel has unlocking authority or not so as to control the unlocking of the electric lock; an administrator with unlocking authority remotely opens the electric lock through the monitoring terminal, the remote server and the Internet of things terminal; meanwhile, the system further comprises a door lock state monitoring module, an environment detection module, a positioning module, a vibration detection module and an electric leakage detection module, wherein the door lock state monitoring module monitors the state of the electric lock and the state of the electric cabinet in real time, and feeds monitoring information back to the remote server in real time.

摘要：【中文】本发明提供一种具有突出危险煤层的巷道最佳掘进速度的判定方法。通过现场观测得到巷道不同掘进速度下前方煤体内应力分布曲线图及瓦斯压力分布曲线图，利用回归分析方法得到掘进巷道前方煤体内应力峰前区应力大小及瓦斯压力大小分别与距巷道掘进工作面距离之间的函数关系式。依据函数关系式，利用积分的方法求出煤与瓦斯突出的能量源，确定煤体破碎和移动所需要消耗的能量。最后求出巷道不同掘进速度下，煤与瓦斯突出能量源与煤体破碎和移动所消耗能量的比值。在所有比值小于1所对应的巷道掘进速度中，最快的巷道掘进速度即为具有突出危险煤层的巷道最佳掘进速度。本方法具有应用简单，投入成本低、使用方便，判定结果可靠等优点。 【EN】The invention provides a method for judging the optimal tunneling speed of a roadway with a outburst dangerous coal seam. And obtaining an internal stress distribution curve chart of the front coal body and a gas pressure distribution curve chart under different tunneling speeds of the tunnel through field observation, and obtaining a function relation between the stress of the front area of the internal stress peak of the front coal body in the tunneling tunnel and the distance between the front coal body and the tunneling working face of the tunnel and the gas pressure by using a regression analysis method. And (4) solving an energy source of the coal and the gas protrusion by utilizing an integral method according to the functional relation, and determining the energy consumed by the coal body crushing and moving. And finally, the ratio of the energy sources of the coal and the gas outburst to the energy consumed by the crushing and moving of the coal body is calculated under different tunneling speeds of the tunnel. And in the tunneling speeds corresponding to all the ratios smaller than 1, the highest tunneling speed is the optimal tunneling speed of the tunnel with the outburst dangerous coal seam. The method has the advantages of simple application, low investment cost, convenient use, reliable judgment result and the like.

摘要：【中文】本发明公开了一种土木工程劈裂注浆用的新型搅拌桶，包括搅拌箱、卷收箱、底座、移动支腿和锁定螺杆，卷收箱的上方设有搅拌箱，下方固定有底座，底座的下端设有移动支腿，底座相对于卷收箱凸出，且凸出部分螺接有锁定螺杆；搅拌箱的内腔被滤板分隔为搅拌室和抽浆室，搅拌室的中心处设有搅拌轴；卷收箱的底端通过定位轴转动支撑有卷筒，卷筒的上端凸管与搅拌轴的下端部之间设有内棘轮齿轮机构，卷收箱的侧板开设有便于收卷牵引管的竖条形口，牵引管连接有注浆管。本发明结构设计合理，搅拌后的浆液均匀，利用牵引管实现对注浆管的卷收功能，能够将注浆管顺利牵引至破裂管的注浆通道中，从而利于进行劈裂注浆。 【EN】The invention discloses a novel stirring barrel for splitting grouting in civil engineering, which comprises a stirring box, a winding box, a base, movable supporting legs and a locking screw rod, wherein the stirring box is arranged above the winding box, the base is fixed below the winding box, the movable supporting legs are arranged at the lower end of the base, the base protrudes relative to the winding box, and the protruding part is screwed with the locking screw rod; the inner cavity of the stirring box is divided into a stirring chamber and a slurry pumping chamber by a filter plate, and a stirring shaft is arranged at the center of the stirring chamber; the bottom of the winding box is rotatably supported with a winding drum through a positioning shaft, an inner ratchet gear mechanism is arranged between the upper end convex pipe of the winding drum and the lower end part of the stirring shaft, a side plate of the winding box is provided with a vertical strip-shaped opening which is convenient for winding the traction pipe, and the traction pipe is connected with a grouting pipe. The split grouting pipe has reasonable structural design, the stirred slurry is uniform, the traction pipe is utilized to realize the winding function of the grouting pipe, and the grouting pipe can be smoothly pulled to the grouting channel of the split pipe, so that the split grouting is favorably carried out.

摘要：【中文】本发明公开了一种共同偏好辅助的深度单类协同过滤推荐方法，步骤为：数据采集与处理；划分数据集；构建共同偏好辅助的模型；训练模型和项目推荐。本发明采用的个人深度潜在因素表示网络(DLFR)可以单独出来作为预测用户项目交互的概率，也可以作为共同偏好辅助的深度单类协同过滤推荐模型中的一个子网络，输出用户项目交互的耦合关系。本发明使用单类协同过滤(OCCF)以及深度神经网络(MLP)学习用户邻居对于项目类别的共同偏好以及用户与项目之间的交互，有助于学习更深层次的用户邻居偏好对用户项目交互的影响，具有良好的推荐准确度和可解释性。 【EN】The invention discloses a co-preference assisted deep single-class collaborative filtering recommendation method, which comprises the following steps: data acquisition and processing; dividing a data set; constructing a co-preference auxiliary model; training models and item recommendations. The method adopts the personal depth latent factor to express that the network (DLFR) can be used for predicting the probability of user item interaction independently, and also can be used as a sub-network in a co-preference assisted deep single-class collaborative filtering recommendation model to output the coupling relation of user item interaction. The method and the system use single-class collaborative filtering (OCCF) and the deep neural network (MLP) to learn the common preference of the user neighbors to the item categories and the interaction between the users and the items, are beneficial to learning the influence of the deeper user neighbor preference on the user item interaction, and have good recommendation accuracy and interpretability.

摘要：【中文】本发明公开了一种基于改进关联规则的社团发现算法，首先支持度自适应，用数学方法计算出最小支持度；其次引入布尔矩阵和事务权重思想改进Apriori算法，减少扫描数据库次数；最后与Spark平台结合，实现改进关联规则的社团发现算法并行化。本发明的基于改进关联规则的社团发现算法通过利用MAC地址挖掘社团成员，引入支持度自适应的思想和通过添加事务权重生成布尔矩阵的方法来改进Apriori算法，将改进的算法与Spark结合实现算法的并行化，通过挖掘频繁项集的方式挖掘社团成员间的关系。实验结果表明，ARCD算法解决了人为设置支持度的主观性及社团挖掘结果冗余的问题，具有良好的可扩展性，提高了社团发现的挖掘速度。 【EN】The invention discloses a community discovery algorithm based on an improved association rule, which comprises the steps of firstly, self-adapting the support degree, and calculating the minimum support degree by a mathematical method; secondly, introducing a Boolean matrix and a transaction weight thought to improve an Apriori algorithm and reduce the times of scanning a database; and finally, combining with a Spark platform to realize the parallelization of the association rule-improved community discovery algorithm. The association rule-improved based community discovery algorithm improves the Apriori algorithm by mining community members by using MAC addresses, introducing the idea of self-adaption of support degree and a method of generating a Boolean matrix by adding transaction weight, combines the improved algorithm with Spark to realize parallelization of the algorithm, and mines the relationship among the community members by mining a frequent item set. Experimental results show that the ARCD algorithm solves the problems of subjectivity of artificially setting the support degree and redundancy of community mining results, has good expandability and improves mining speed found by communities.

摘要：【中文】本发明提供了一种宽带小型化90°移相器及其设计方法，所述移相器包含主线单元和参考线单元两个独立电路单元，采用两端开路的λ/4TRD耦合线代替传统Schiffman移相器中3λ/4的参考线。设计方法包括以下步骤：首先采用TRD耦合器的S参数矩阵分析推导了两端开路的TRD耦合线的回波损耗和插入损耗的计算公式，确定了TRD耦合线随耦合系数的变化规律；接着采用ADS仿真分析了TRD耦合线耦合系数和主线奇偶模特性阻抗比对改进的小型化Schiffman移相器的性能影响；然后设计移相器尺寸，并仿真分析其性能；最后采用HFSS仿真、实物加工与测试的方法验证了设计方法的正确性。与已有的Schiffman移相器相比，本文所提出的移相器的参考线长度减小了三分之二，充分实现了小型化。 【EN】The invention provides a broadband miniaturized 90-degree phase shifter and a design method thereof, wherein the phase shifter comprises two independent circuit units, namely a main line unit and a reference line unit, and a lambda/4 TRD coupling line with two open ends is adopted to replace a3 lambda/4 reference line in the traditional Schiffman phase shifter. The design method comprises the following steps: firstly, a calculation formula of return loss and insertion loss of a TRD coupling line with two open ends is deduced by adopting S parameter matrix analysis of a TRD coupler, and the change rule of the TRD coupling line along with a coupling coefficient is determined; then, analyzing the performance influence of the TRD coupling line coupling coefficient and the main line odd-even mode characteristic impedance ratio on the improved miniaturized Schiffman phase shifter by adopting ADS simulation; designing the size of the phase shifter, and carrying out simulation analysis on the performance of the phase shifter; finally, the correctness of the design method is verified by adopting HFSS simulation, physical processing and test methods. Compared with the existing Schiffman phase shifter, the length of the reference line of the phase shifter provided by the invention is reduced by two thirds, and the miniaturization is fully realized.

摘要：【中文】本发明公开了一种矿山用碎石破碎机，包括集料座和顶座；本发明通过启动电动推杆通过连接环驱动固定轴带动第二破碎体在集料座内的定位孔中做定向移动，从而使得用户在通过控制器启动第一电机和第二电机时，使得第一破碎体与第二破碎体之间的相对距离对有效的实施调整，从而能够根据用户的实际需求对投放的矿石进行不同颗粒大小的破碎加工进而有效的提升了矿石的破碎加工效率且避免了采用多类型的破碎机加工导致的成本过高的情况，同时通过在集料座内设有的插板能够有效的通过支架通过固定轴实施同步位移，从而使得投放的矿石得以有效的通过插板与限位板实施导料输送以提升第一破碎体与第二破碎体对矿石的破碎充分性。 【EN】The invention discloses a broken stone crusher for mines, which comprises a material collecting seat and a top seat; the invention drives the fixed shaft to drive the second crushing body to do directional movement in the positioning hole in the material collecting seat by starting the electric push rod through the connecting ring, so that when the user starts the first motor and the second motor through the controller, the relative distance between the first crushing body and the second crushing body can be effectively adjusted, thereby being capable of carrying out crushing processing on the thrown ore with different particle sizes according to the actual requirements of users, further effectively improving the crushing processing efficiency of the ore and avoiding the situation of overhigh cost caused by adopting a plurality of types of crushers for processing, meanwhile, the inserting plates arranged in the material collecting seat can effectively implement synchronous displacement through the bracket and the fixed shaft, therefore, the thrown ore can be effectively conveyed by guiding through the inserting plates and the limiting plates so as to improve the crushing sufficiency of the first crushing body and the second crushing body on the ore.

摘要：【中文】本发明公开了一种基于DGS的紧凑型多陷波超宽带滤波器，包括介质基板、位于介质基板上表面中心处的半波长短路枝节微带线、加载在所述半波长短路枝节微带线两侧的开路枝节微带线、加载在所述半波长短路枝节微带线正上方的圆形缺陷微带线、加载在开路枝节微带线上方的宽枝节微带线、开路枝节微带线和宽枝节微带线之间形成有直线型插入耦合微带线、50Ω输入馈线和50Ω输出馈线和位于接地板上的开环型枝节缺陷地结构。本发明采用多模谐振器耦合开路枝节和开环型枝节缺陷地结构，不仅能实现四个陷波，还可以通过调节开路枝节尺寸来改变各个陷波的中心频率，整个通带内插入损耗较低，带外特性良好，结构紧凑，成本低廉，加工方便，易于与其他电路集成。 【EN】The invention discloses a DGS (defected ground structure) -based compact multi-notch ultra-wideband filter, which comprises a dielectric substrate, a half-wavelength short-circuit stub microstrip line positioned at the center of the upper surface of the dielectric substrate, an open-circuit stub microstrip line loaded on two sides of the half-wavelength short-circuit stub microstrip line, a circular defect microstrip line loaded right above the half-wavelength short-circuit stub microstrip line, a wide stub microstrip line loaded above the open-circuit stub microstrip line, and linear insertion coupling microstrip lines, 50 omega input feed lines, 50 omega output feed lines and an open-loop stub defect ground structure positioned on a ground plate, wherein the linear insertion coupling microstrip lines, the open-circuit stub microstrip lines and the wide stub microstrip lines are formed between the open-circuit stub microstrip line. The invention adopts a multi-mode resonator to couple the open-circuit branch and the open-loop branch defected ground structure, not only can realize four trapped waves, but also can change the central frequency of each trapped wave by adjusting the size of the open-circuit branch, and has the advantages of lower insertion loss in the whole passband, good out-of-band characteristic, compact structure, low cost, convenient processing and easy integration with other circuits.