当前查询到13条专利与查询词 "Yan Xiangyi"相关,搜索用时0.1875116秒!排序方式:
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申请号:201911293732.3 公开号:CN110986793A 主分类号:G01B11/02
摘要:【中文】本发明公开了一种基于机器视觉检测的类方形工件检测系统,属于机器视觉检测技术领域,其特征在于,至少包括:用于对工件进行定位的工件放置台;用于获取工件图像信息的图像获取机构,所述图像获取机构包括相机支架和相机;与所述图像获取机构进行数据交互,进而对图像进行分析处理的图像处理系统;其中:所述工件放置台包括:支撑台;位于所述支撑台上方的横向挡板、纵向挡板、横向气缸和纵向气缸;所述横向挡板和纵向挡板相互垂直;所述横向气缸的活塞杆与横向挡板相互平行,所述纵向挡板与纵向气缸的活塞杆相互平行;用于控制上述横向气缸和纵向气缸动作的电气柜。该检测系统具有检测效率高,能够满足大型工件的检测需求。 【EN】The invention discloses a quasi-square workpiece detection system based on machine vision detection, which belongs to the technical field of machine vision detection and is characterized by at least comprising the following components in parts by weight: the workpiece placing table is used for positioning a workpiece; the image acquisition mechanism is used for acquiring image information of the workpiece and comprises a camera bracket and a camera; the image processing system performs data interaction with the image acquisition mechanism and further performs analysis processing on the image; wherein: the work placing table includes: a support table; the transverse baffle, the longitudinal baffle, the transverse cylinder and the longitudinal cylinder are positioned above the supporting platform; the transverse baffle and the longitudinal baffle are vertical to each other; the piston rod of the transverse cylinder is parallel to the transverse baffle, and the longitudinal baffle is parallel to the piston rod of the longitudinal cylinder; and the electrical cabinet is used for controlling the actions of the transverse cylinder and the longitudinal cylinder. The detection system has high detection efficiency and can meet the detection requirement of large-sized workpieces.
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申请号:201911166824.5 公开号:CN110939529A 主分类号:F02K9/44
申请人:【中文】西安航天动力研究所【EN】Xi'an Aerospace Propulsion Institute 申请日:2019.11.25 公开日:2020.03.31
摘要:【中文】本发明提供一种集成式燃气供应装置,解决现有空气涡轮火箭发动机的燃气供应外置使得发动机集成度低,截面尺寸包络大,影响发动机性能的问题。该装置包括燃料供应单元、氧化剂供应单元、防护单元、静叶部、以及由内向外依次同轴设置的轴系套筒、燃烧组织部、壳体,壳体包括内环壳体、外环壳体、以及设置在内环壳体和外环壳体之间的N个中空支板,N个中空支板沿圆周方向均布,燃烧组织部包括环形喷注器和环形身部,防护单元包括内环热防护件、外环热防护件,燃料供应单元包括设在外环壳体外壁的燃料阀门、对称设在燃料阀门两侧的两个燃料供应组件,氧化剂供应单元包括设在外环壳体外壁的氧化剂阀门、对称设在氧化剂阀门两侧的两个氧化剂供应组件。 【EN】The invention provides an integrated gas supply device, which solves the problems that the engine integration level is low, the envelope of the section size is large and the performance of the engine is influenced because the gas supply of the existing air turbine rocket engine is externally arranged. The device comprises a fuel supply unit, an oxidant supply unit, a protection unit, a static blade part, and a shafting sleeve which is coaxially arranged from inside to outside in sequence, a combustion organization part, a shell, wherein the shell comprises an inner ring shell, an outer ring shell, and N hollow support plates arranged between the inner ring shell and the outer ring shell, the N hollow support plates are uniformly distributed along the circumferential direction, the combustion organization part comprises an annular injector and an annular body part, the protection unit comprises an inner ring heat protection part and an outer ring heat protection part, the fuel supply unit comprises a fuel valve arranged on the outer wall of the outer ring shell, two fuel supply components symmetrically arranged on two sides of the fuel valve, the oxidant supply unit comprises an oxidant valve arranged on the outer wall of the outer ring shell, and two oxidant supply components symmetrically arranged on two sides of the oxidant valve.
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申请号:201911311933.1 公开号:CN110930929A 主分类号:G09G3/20
摘要:【中文】本发明提供了一种信号处理方法、时序控制器及显示装置,涉及显示技术领域。本发明当数据时钟信号受到干扰时,对数据时钟信号中的第一部分信号进行幅值增加,得到第二部分信号,当第二部分信号被源极驱动芯片识别时,继续向源极驱动芯片发送剩余的数据时钟信号,当第二部分信号未被源极驱动芯片识别时,向源极驱动芯片发送参考时钟信号,当恢复时钟信号与未被干扰时数据时钟信号中的时钟信号同步时,向源极驱动芯片发送剩余的数据时钟信号。当受到噪声干扰时,不直接进入CDR模式,而是先对第一部分信号进行幅值增加,当噪声干扰不强时,得到的第二部分信号有较大概率被源极驱动芯片识别,则显示面板不会产生明显显示异常,提高显示效果。 【EN】The invention provides a signal processing method, a time sequence controller and a display device, and relates to the technical field of display. When the data clock signal is interfered, the amplitude of a first part of signals in the data clock signal is increased to obtain a second part of signals, when the second part of signals is identified by the source electrode driving chip, the rest of data clock signals are continuously sent to the source electrode driving chip, when the second part of signals is not identified by the source electrode driving chip, the reference clock signal is sent to the source electrode driving chip, and when the recovered clock signal is synchronous with the clock signals in the data clock signals which are not interfered, the rest of data clock signals are sent to the source electrode driving chip. When the display panel is interfered by noise, the display panel does not generate obvious display abnormity and improves the display effect.
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申请号:201910972829.0 公开号:CN110910462A 主分类号:G06T9/00
摘要:【中文】本发明公开了一种基于特征计算的点云轻量化方法及存储介质,该方法包括以下步骤:根据源数据在X、Y、Z轴上的区间范围以及深度参数构建八叉树;将八叉树的底层的叶子节点加入到叶子节点队列中;设置计数器C=8,访问队列中的首节点,访问操作为:获取当前节点的数据并将该节点删除,对数据进行特征计算,按预设比例删除非特征点并保存结果文件,并令C=C‑1;判断C是否小于或等于1;若是,则将C重置为8并将其父节点加入队列的末位,然后继续访问下一个节点;以此循环直至队列为空。该方法基于特征计算对各个节点的数据进行轻量化,通过大量的几何运算找到了点云模型的特征点,按比例删除非特征点,这样既减少了数据量,又保持了模型的特征。 【EN】The invention discloses a point cloud lightweight method based on feature calculation and a storage medium, wherein the method comprises the following steps: constructing an octree according to the interval range of the source data on the X, Y, Z axis and the depth parameter; adding leaf nodes at the bottom layer of the octree into a leaf node queue; setting the counter C to be 8, accessing the head node in the queue, and performing access operation as follows: acquiring data of a current node, deleting the node, performing characteristic calculation on the data, deleting non-characteristic points according to a preset proportion, storing a result file, and enabling C to be C-1; judging whether C is less than or equal to 1; if yes, resetting C to 8, adding the father node of the C to the last position of the queue, and then continuing to access the next node; looping through this until the queue is empty. The method is based on feature calculation to carry out lightweight on data of each node, finds out feature points of the point cloud model through a large amount of geometric operations, and deletes non-feature points in proportion, so that the data volume is reduced, and the features of the model are maintained.
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申请号:201911293714.5 公开号:CN111014798A 主分类号:B23D15/06
摘要:【中文】本发明公开了一种基于机器视觉的剪板机自动上料分拣码垛生产线及方法,属于剪板机技术领域,包括上料翻转机构、从上料翻转机构上吸取单张板料的上料机械手转运机构、接收上料机械手转运机构送达的单张板料,并进行对中、定位、夹紧后进行自动上料及余料推进的自动上料机、接收自动上料机送达的单张板料,并将单张板料剪切为条状板料的剪板机、位于剪板机出料口下方,用于接取条状板料的下料输送机构、从下料输送机构上抓取条状板料并送达至码垛机构的下料机械手转运分拣机构、用于接收下料机械手转运分拣机构的条状板料并进行码垛的码垛机构、用于对下料输送机构上条状板料进行检测的视觉识别机构和自动剪切及分拣码垛排版系统。 【EN】The invention discloses an automatic feeding, sorting and stacking production line and an automatic feeding, sorting and stacking production method for a plate shearing machine based on machine vision, and belongs to the technical field of plate shearing machines Provided is a system.
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申请号:201911407757.1 公开号:CN111112629A 主分类号:B22F9/04
申请人:【中文】西北工业大学【EN】Northwestern Polytechnical University 申请日:2019.12.31 公开日:2020.05.08
摘要:【中文】本发明涉及一种基于3D打印石墨烯增强钛基复合材料的制备方法,采用低能量球磨方法将石墨烯和钛粉末均匀混合,将混合后粉末干燥后利用3D打印立体成型。本发明制备的复合材料具有优良的综合性能,无裂纹开裂倾向。 【EN】The invention relates to a preparation method of a graphene-reinforced titanium-based composite material based on 3D printing, which is characterized by uniformly mixing graphene and titanium powder by adopting a low-energy ball milling method, drying the mixed powder and then carrying out three-dimensional molding by utilizing 3D printing. The composite material prepared by the invention has excellent comprehensive performance and no crack tendency.
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