摘要：本发明提供了一种车用一拖二桥驱控制器，属于车用电机控制技术领域；现有技术中的一拖二桥驱控制器体积大、重量大、内部线束布置复杂；本发明的一拖二桥驱控制器包括壳体、主控板、信号转接板、第一驱动板、第二驱动板、散热器、第一全桥驱动器和第二全桥驱动器；采用上下腔室拓扑结构，两路电机控制模块共用水道，有效利用空间，减小控制器体积和重量；采样信号转接板代替大量线束，性能稳定、可靠性高。

摘要：【中文】本发明涉及一种用于装配式混凝土剪力墙损伤识别的概率成像方法，包括以下步骤：1）将压电传感器嵌入剪力墙内部，以二维阵列进行布置；相邻压电传感器两两组成传感路径，所有传感路径构建传感网络；2）选择传感路径中的一个压电传感器作为激励器，加载激励信号进行激励，同时以另一个作为接收传感器采集结构响应；3）计算不同级地震作用下传感网络中各条传感路径的损伤指标；4）采用概率统计方法对损伤指标进行统计分析，排除环境变化对结构损伤识别结果的影响；5）对所有传感路径的损伤指标进行统计分析，计算损伤出现在任一点的概率值，进而进行概率成像。该方法有利于快速、有效、准确地对装配式混凝土剪力墙的损伤进行识别与定位。 【EN】The invention relates to a probability imaging method for identifying damage of an assembled concrete shear wall, which comprises the following steps: 1) embedding piezoelectric sensors into the shear wall, and arranging the piezoelectric sensors in a two-dimensional array; every two adjacent piezoelectric sensors form a sensing path, and all the sensing paths construct a sensing network; 2) selecting one piezoelectric sensor in a sensing path as an exciter, loading an excitation signal for excitation, and simultaneously taking the other piezoelectric sensor as a receiving sensor acquisition structure to respond; 3) calculating damage indexes of all sensing paths in the sensing network under the action of different levels of earthquakes; 4) carrying out statistical analysis on the damage index by adopting a probability statistical method to eliminate the influence of environmental change on the structural damage identification result; 5) and carrying out statistical analysis on the damage indexes of all the sensing paths, calculating the probability value of the damage occurring at any point, and further carrying out probability imaging. The method is beneficial to quickly, effectively and accurately identifying and positioning the damage of the fabricated concrete shear wall.

摘要：【中文】本发明公开了一种折叠儿童车，底盘包括内侧相转动连接的第一底架和第二底架，轮组件包括与第一底架相转动连接的第一轮组件、与第二底架相转动连接的第二轮组件，第一轮组件和第二轮组件均通过自身转动而具有第一位置和第二位置，第一位置在底盘的下方，第二位置在底盘的里侧，连接组件包括第一驱动件、第二驱动件，当折叠儿童车在打开状态时，第一轮组件和第二轮组件均位于第一位置，当折叠儿童车在折叠状态时，第一轮组件和第二轮组件分别通过第一驱动件和第二驱动件的滑动而转动至第二位置。本折叠儿童车在折叠后，车轮翻转至底盘的里侧，从而使整车扁平，极大地减小了占用空间，存放和携带十分方便。 【EN】The invention discloses a folding buggy, wherein a chassis comprises a first chassis and a second chassis which are rotationally connected at the inner sides, wheel assemblies comprise a first wheel assembly rotationally connected with the first chassis and a second wheel assembly rotationally connected with the second chassis, the first wheel assembly and the second wheel assembly respectively have a first position and a second position through self rotation, the first position is below the chassis, the second position is in the inner side of the chassis, a connecting assembly comprises a first driving piece and a second driving piece, when the folding buggy is in an opening state, the first wheel assembly and the second wheel assembly are both located at the first position, and when the folding buggy is in a folding state, the first wheel assembly and the second wheel assembly respectively rotate to the second position through the sliding of the first driving piece and the second driving piece. This folding child's bike is folding, and the wheel upset is to the inboard on chassis to make whole car flat, greatly reduced occupation space, it is very convenient to deposit and carry.

摘要：【中文】本发明提供了一种融合多特征和主成分分析的三维掌纹识别方法，基于形状指数的分类编码、自适应的修正竞争编码以及曲面类型特征编码来提取几何特征，有效地减少了由于阈值分类而产生的错误分配带来的识别率上的影响；对竞争编码进行了改进，从而更准确地表达了三维掌纹的方向特征；利用分块直方图统计和主成分分析降低了特征维数且去除了冗余信息，使特征对微小位移更具鲁棒性且区分度提高；将三种特征的欧式距离加权融合作为匹配距离，有效提高了算法的精度和鲁棒性；同时使用K近邻算法来实现分类，有效减少数据中的异常值和噪声的影响，缩短了比对时间。 【EN】The invention provides a three-dimensional palm print recognition method fusing multi-feature and principal component analysis, which extracts geometric features based on shape index classification coding, adaptive correction competition coding and curved surface type feature coding, and effectively reduces the influence on recognition rate caused by error distribution generated by threshold classification; the competitive coding is improved, so that the directional characteristic of the three-dimensional palm print is more accurately expressed; the feature dimension is reduced and redundant information is removed by utilizing block histogram statistics and principal component analysis, so that the features are more robust to micro displacement and the discrimination is improved; the Euclidean distance weighted fusion of the three characteristics is used as a matching distance, so that the precision and the robustness of the algorithm are effectively improved; meanwhile, classification is realized by using a K neighbor algorithm, so that the influence of abnormal values and noise in data is effectively reduced, and the comparison time is shortened.

摘要：本申请涉及矿井采区布置技术领域，具体涉及一种突出煤层群的采区布置方法。首先在突出煤层群的多个煤层中确定保护层，保护层的首采工作面可以利用顺层长钻孔预抽条带瓦斯进行消突，利用切顶卸压无煤柱自成巷工艺进行切眼及两条顺槽留巷，形成完善通风系统。然后相邻煤层通过联络巷与顺槽留巷进行连接，循环此布置方法完成对整个采区的布置。首采工作面不留煤柱，减少应力集中；可以实现“采”与“抽”统筹进行；还可以延长回采工作面瓦斯抽采时间。

摘要：【中文】本发明公开了一种基于小波和ICA改进EEMD的结构模态参数识别方法，利用小波中的小波软阈值去噪法消除经典EEMD分解后IMFs中的噪声残余，并利用ICA中的FastICA处理后得到新的IMFs去除模态混叠，进而利用新IMFs与原信号间的相关系数来判定真正的IMF分量，去除虚假模态，接着利用随机减量技术获得各真正IMFs的自由振动响应，最后利用希尔伯特变换(HT)和最小二乘拟合技术相结合的方法来识别出结构的频率和阻尼比。通过具备针对EEMD分解后的白噪声残余、模态混叠及有效IMFs的筛选等问题，将小波变换中的小波软阈值去噪和ICA中的FastICA相结合对EEMD进行改进的优点，解决了经典EEMD过程中产生过多虚假模态、噪声残余以及真正IMF的判定问题。 【EN】The invention discloses a structural modal parameter identification method based on wavelet and ICA (independent component analysis), which is characterized in that a wavelet soft threshold denoising method in the wavelet is used for eliminating noise residues in IMFs after classical EEMD decomposition, a new IMFs is obtained after FastICA in the ICA is used for processing and removing modal aliasing, further, a correlation coefficient between the new IMFs and an original signal is used for judging a real IMF component and removing a false mode, then, a random decrement technology is used for obtaining free vibration responses of all real IMFs, and finally, a method combining a Hilbert Transform (HT) and a least square fitting technology is used for identifying the frequency and the damping ratio of a structure. The method has the advantages of improving EEMD by combining wavelet soft threshold denoising in wavelet transform with FastICA in ICA aiming at the problems of white noise residue, mode aliasing, effective IMFs screening and the like after EEMD decomposition, and solves the problem of judging excessive false modes, noise residue and real IMF in the classical EEMD process.

摘要：本申请涉及瓦斯抽采技术领域，具体涉及一种近距离突出煤层群的立体式瓦斯抽采方法。通过定向长钻孔对相邻工作面及其顺槽进行瓦斯抽采消突，取消相邻回采工作面顺槽和临近煤层回采工作面顺槽的瓦斯抽采巷，解决煤与瓦斯突出煤矿治理瓦斯时间长导致采掘失调的问题。除在保护层的首采工作面需要施工瓦斯抽采巷，其余工作面均通过沿空留巷形成的顺槽留巷施工顺层长钻孔预抽回采工作面瓦斯和条带瓦斯进行消突，取消其余工作面的瓦斯抽采巷，减少了巷道掘进工程，解决解决采掘接替紧张的难题。

摘要：本发明公开了一种智能型沥青洒布车，包括洒布车本体，还包括冷喷洒管和设置在洒布车本体的沥青罐内的污水泵，所述污水泵的输出端通过管道与所述冷喷洒管相连接，所述冷喷洒管上均匀设有多个喷嘴。所述冷喷洒管为矩形管，所述冷喷洒管上均匀设有多个出液孔，所述喷嘴与所述出液孔连通。多个所述出液孔处设有沥青喷洒量调节机构，所述沥青喷洒量调节机构通过同步调节多个出液孔的孔径调节沥青喷洒量。本发明通过设置沥青喷洒量调节机构，可根据环境条件变化通过同步改变多个出液孔孔径实现出液孔进液量调节，进而自动实现沥青喷洒量的调节。

摘要：【中文】本发明公开一种道路面层局部预养护设备及相关的道路预养护方法。所述设备包括压力供给装置、进浆口、出浆口、出浆管路、气‑液二相存储罐、进气管路、气‑液隔离元件组、进气口、出气口、出气管路、气流控制元件组、进浆管路、浆液流控制装置和排液管；所述预养护设备设置有气流路径和浆液流路径，两条路径在气‑液二相存储罐交汇，所述相关道路预养护方法包括备浆、注浆和设备清洗等步骤。本发明实现在道路新建阶段、病害发生前或病害程度较轻微的阶段，以不扰动或较少扰动原有材料和结构的方式，降低道路面层局部空隙率，提高道路面层强度、抗渗性和抗水损坏性能。 【EN】The invention discloses a road surface layer local pre-curing device and a related road pre-curing method. The device comprises a pressure supply device, a slurry inlet, a slurry outlet pipeline, a gas-liquid two-phase storage tank, a gas inlet pipeline, a gas-liquid isolating element group, a gas inlet, a gas outlet pipeline, a gas flow control element group, a slurry inlet pipeline, a slurry flow control device and a liquid discharge pipe; the pre-maintenance equipment is provided with an airflow path and a slurry flow path, the two paths intersect in a gas-liquid two-phase storage tank, and the related road pre-maintenance method comprises the steps of slurry preparation, slurry injection, equipment cleaning and the like. The invention reduces the local void ratio of the road surface course and improves the strength, the impermeability and the water damage resistance of the road surface course in a way of not disturbing or less disturbing the original materials and structures at the stage of building the road, before the occurrence of the diseases or at the stage of slightly disturbing the diseases.