当前查询到98条专利与查询词 "Zhao Xiaohu"相关,搜索用时0.5625274秒!排序方式:
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申请号:201911384475.4 公开号:CN110954067A 主分类号:G01C11/02
申请人:【中文】长安大学【EN】CHANG'AN University 申请日:2019.12.28 公开日:2020.04.03
摘要:【中文】本发明公开了一种基于靶标的单目视觉挖掘机位姿测量系统及测量方法,包括靶标、单目相机和计算模块,所述靶标包括安装在挖掘机同一侧的铲斗靶标、斗杆靶标和动臂靶标,所述铲斗靶标固定在铲斗连接杆上靠近铲斗一端,所述斗杆靶标固定在斗杆上,所述动臂靶标固定在动臂上,所述单目相机的视野覆盖铲斗靶标、斗杆靶标和动臂靶标,计算模块用于根据单目相机采集到的靶标图像计算各个靶标的空间六自由度参数。能够有效的避免在动作大、作业环境恶劣、容易与作业对象发生碰撞、震动幅度大的工作装置上安装测量传感器等价格高昂的精密测量件容易损坏的缺陷,从而提高监测的可靠性和稳定性,保证了挖掘机作业的安全性,同时也降低了维护成本。 【EN】The invention discloses a monocular vision excavator pose measuring system and method based on a target, and the monocular vision excavator pose measuring system comprises the target, a monocular camera and a calculating module, wherein the target comprises a bucket target, a bucket rod target and a movable arm target which are arranged on the same side of an excavator, the bucket target is fixed on a bucket connecting rod and close to one end of a bucket, the bucket rod target is fixed on a bucket rod, the movable arm target is fixed on a movable arm, the visual field of the monocular camera covers the bucket target, the bucket rod target and the movable arm target, and the calculating module is used for calculating the space six-degree-of-freedom parameter of each target according to a target image acquired by the monocular camera. The defect that expensive precision measurement parts such as a measuring sensor are arranged on a working device which has large action, severe working environment, high possibility of collision with a working object and large vibration amplitude and is easy to damage can be effectively avoided, so that the reliability and the stability of monitoring are improved, the safety of the operation of the excavator is ensured, and the maintenance cost is also reduced.
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申请号:201911378934.8 公开号:CN111159345A 主分类号:G06F16/33
申请人:【中文】中国矿业大学【EN】China University of Mining and Technology 申请日:2019.12.27 公开日:2020.05.15
摘要:【中文】本发明涉及一种中文知识库答案获取方法及其装置,属于答案获取技术领域,解决了现有方法的答案获取结果准确度低的问题。方法包括:对用户输入的问题进行命名实体识别,获得问题的核心主题;根据核心主题检索中文知识库,获得待选答案;根据深度语义匹配模型分别将问题和待选答案中的与核心主题相连的谓语转换到字层次和词层次的向量空间,获得字层次语义相似度和词层次语义相似度,得到问题和待选答案谓语之间的全局语义相似度;得到检索谓语,利用所述核心主题和检索谓语检索中文知识库得到最终答案。实现了融合字和词层次捕获问题和待选答案中谓语的相似度,提高了答案获取结果的准确率。 【EN】The invention relates to a Chinese knowledge base answer obtaining method and a device thereof, belongs to the technical field of answer obtaining, and solves the problem of low accuracy of an answer obtaining result of the existing method. The method comprises the following steps: carrying out named entity identification on a problem input by a user to obtain a core theme of the problem; searching a Chinese knowledge base according to the core theme to obtain an answer to be selected; converting predicates connected with core subjects in the questions and the answers to be selected into vector spaces of word levels and word levels according to the deep semantic matching model, obtaining word level semantic similarity and word level semantic similarity, and obtaining global semantic similarity between the questions and the predicates of the answers to be selected; and obtaining a retrieval predicate, and retrieving the Chinese knowledge base by using the core subject and the retrieval predicate to obtain a final answer. The similarity of the predicates in the questions and the answers to be selected captured by fusing the word and word levels is achieved, and the accuracy of the answer obtaining results is improved.
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申请号:201911295924.8 公开号:CN110995319A 主分类号:H04B3/54
摘要:【中文】本发明涉及一种无网络服务场景下的故障指示器监测系统及方法。该监测系统包括主站、通过4G透传模块与主站相连的主载波机和通过电力线与主载波机相连的若干从载波机。从载波机通过串口连接有汇集单元。汇集单元通过微功率无线模块连接有采集单元。汇集单元和采集单元的数量成比例关系,一个汇集单元对应三只采集单元。汇集单元包括网关汇集单元和通过Lora通信与网关汇集单元通信的若干子节点汇集单元。本发明采用Lora通信远距离组网并结合电力载波通信技术解决了无网络服务地区故障指示器与主站数据传输的问题,经现场实际验证,本发明可满足在偏远地区无网络服务情况下故障指示器的现场应用条件,稳定实现线路故障捕获和线路监测数据。 【EN】The invention relates to a fault indicator monitoring system and method in a network service-free scene. The monitoring system comprises a main station, a main carrier connected with the main station through a 4G transparent transmission module and a plurality of slave carrier connected with the main carrier through power lines. The slave carrier is connected with a collecting unit through a serial port. The collection unit is connected with the acquisition unit through the micropower wireless module. The number of the collection units and the number of the acquisition units are in a proportional relationship, and one collection unit corresponds to three acquisition units. The aggregation unit comprises a gateway aggregation unit and a plurality of sub-node aggregation units which are communicated with the gateway aggregation unit through Lora communication. According to the invention, Lora communication remote networking is adopted and the power carrier communication technology is combined, so that the problem of data transmission between the fault indicator and the main station in the area without network service is solved, and the field practical verification proves that the method can meet the field application condition of the fault indicator under the condition that no network service exists in a remote area, and stably realizes line fault capture and line monitoring data.
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申请号:201911355766.0 公开号:CN110994342A 主分类号:H01S3/067
申请人:【中文】上海频准激光科技有限公司【EN】PRECILASERS Co.,Ltd. 申请日:2019.12.25 公开日:2020.04.10
摘要:【中文】一种基于双波长光纤布拉格光栅的被动锁模光纤激光器,包括双波长光纤布拉格光栅、有源光纤、泵浦耦合器、泵浦源、输出耦合器和可饱和吸收体。本发明将双波长光纤布拉格光栅作为激光器谐振腔内波长选择元件,在保持了锁模光纤激光器简单紧凑、易于制作、不易受环境干扰等优点的同时,实现了高稳定性的双波长超短脉冲激光输出,具有很大的发展前途和很高的应用价值。 【EN】A passive mode-locking fiber laser based on a dual-wavelength fiber Bragg grating comprises the dual-wavelength fiber Bragg grating, an active fiber, a pumping coupler, a pumping source, an output coupler and a saturable absorber. The invention takes the dual-wavelength fiber Bragg grating as the wavelength selection element in the resonant cavity of the laser, realizes the output of the high-stability dual-wavelength ultrashort pulse laser while keeping the advantages of simple and compact mode-locked fiber laser, easy manufacture, difficult environmental interference and the like, and has great development prospect and high application value.
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申请号:201911234855.X 公开号:CN110967129A 主分类号:G01L1/08
摘要:【中文】本发明提供了一种高温转子系统轴向力测试系统,该系统包括转轴(1)、基座(2)、电磁装置(3)、位移盘(4)、传感器安装座(5)、径向轴承(6)、位移传感器(7)、温度传感器(8)、电流传感器(9)、功率放大器(10)、控制系统(11)、以及PC(12)。本发明提供的高温转子系统轴向力测试系统采用非接触测量方式,一次安装后可以测量双向轴向力,同时测试装置不对转子系统引入额外干扰,寿命相对较长。 【EN】The invention provides an axial force testing system of a high-temperature rotor system, which comprises a rotating shaft (1), a base (2), an electromagnetic device (3), a displacement disc (4), a sensor mounting seat (5), a radial bearing (6), a displacement sensor (7), a temperature sensor (8), a current sensor (9), a power amplifier (10), a control system (11) and a PC (12). The axial force testing system of the high-temperature rotor system provided by the invention adopts a non-contact measuring mode, can measure the bidirectional axial force after being installed once, and meanwhile, the testing device does not introduce extra interference to the rotor system, so that the service life is relatively long.
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申请号:201911055506.1 公开号:CN110976115A 主分类号:B05B3/10
摘要:【中文】本发明公开了一种单路双旋可调的离心涂料喷头,包括:储料室、流量调节块、主旋流器、可更换主喷头、可更换副喷头和副旋流器;其中,储料室,包括:储料腔固壁和储料腔;副旋流器位于主旋流器的主旋流腔内、与主旋流器嵌套组合安装,组合后的主旋流器和副旋流器固定在储料腔的底部;可更换主喷头与主旋流器输出端通过螺纹连接,可更换副喷头与副旋流器输出端通过螺纹连接。在本发明中,单路双旋可调的离心工作模式提升了涂料喷头雾化性能和喷涂效果,拓展了喷头的流量范围和适用涂料的种类。 【EN】The invention discloses a single-way double-rotation adjustable centrifugal paint sprayer, which comprises: the device comprises a storage chamber, a flow regulating block, a main swirler, a replaceable main nozzle, a replaceable auxiliary nozzle and an auxiliary swirler; wherein, the storage compartment includes: the material storage cavity is fixedly provided with a wall and a material storage cavity; the auxiliary cyclone is positioned in the main cyclone cavity of the main cyclone and is nested and assembled with the main cyclone, and the main cyclone and the auxiliary cyclone after being assembled are fixed at the bottom of the material storage cavity; the replaceable main nozzle is connected with the output end of the main swirler through threads, and the replaceable auxiliary nozzle is connected with the output end of the auxiliary swirler through threads. In the invention, the single-path double-rotation adjustable centrifugal working mode improves the atomization performance and the spraying effect of the coating nozzle, and expands the flow range of the nozzle and the types of applicable coatings.
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申请号:202010000553.2 公开号:CN111206954A 主分类号:E21F11/00
摘要:【中文】本发明公开了一种煤矿透水自救装置,包括若干个自救服存放柜和引导杆,其中自救服存放柜分散布置在矿井避难硐室附近区域,每一根引导杆均贴矿井壁上方设置且一端与一个自救服存放柜侧面固定连接,另一端通过矿井壁转角或平面延伸到矿井避难硐室入口位置处,所述的每一根引导杆上均设有若干个横向穿墙螺栓和竖向穿墙螺栓且每一根引导杆上等距设有若干个荧光板,所述的横向穿墙螺栓和竖向穿墙螺栓分别用于将引导杆与矿井壁上方转角处的侧面和顶面固定。该装置能够在煤矿发生透水事故时,延长受难工人的逃生时间,给予受难工人身体保护,引导和帮助受难工人到达就近的避难硐室,提高受难工人获救的可能性。 【EN】The invention discloses a coal mine permeable self-rescue device which comprises a plurality of self-rescue clothes storage cabinets and guide rods, wherein the self-rescue clothes storage cabinets are dispersedly arranged in the area near a mine refuge chamber, each guide rod is arranged above the mine wall, one end of each guide rod is fixedly connected with the side surface of one self-rescue clothes storage cabinet, the other end of each guide rod extends to the position of an entrance of the mine refuge chamber through the corner or plane of the mine wall, a plurality of transverse wall penetrating bolts and vertical wall penetrating bolts are arranged on each guide rod, a plurality of fluorescent plates are arranged on each guide rod at equal intervals, and the transverse wall penetrating bolts and the vertical wall penetrating bolts are respectively used for fixing the guide rods with the side surfaces and the top surfaces of the corners above the mine wall. The device can prolong the escape time of the difficult workers when the water-permeable accident happens in the coal mine, protect the bodies of the difficult workers, guide and help the difficult workers to arrive at the nearby refuge chamber, and improve the possibility of rescuing the difficult workers.
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申请号:202010002333.3 公开号:CN111206959A 主分类号:E21F17/103
摘要:【中文】本发明公开了一种煤矿巷道防爆密闭气囊,包括从前到后依次设置的水凝胶凝结袋,圆弧形受力板、第一密闭气囊、圆盘形挡板、第二密闭气囊和圆盘形挡板,所述的圆弧形受力板、第一密闭气囊、圆盘形挡板、第二密闭气囊和圆盘形挡板内部中心位置处均通过贯通的复合管路连接在一起且所述的复合管路前方与水凝胶凝结袋连通固定,所述的圆盘形挡板竖向布置且四周设有呈正三角形状分布的三个支撑伸缩杆,所述的复合管路后端通过V形支架支撑套装在过渡管套内部。该气囊结构结合现有技术中防爆设备优点,安装时间较传统密闭防爆设备更短,而且可以起到较好的防爆密闭效果,保障井下施工的安全。 【EN】The invention discloses an explosion-proof airtight air bag for a coal mine roadway, which comprises a hydrogel coagulation bag, an arc stress plate, a first airtight air bag, a disc-shaped baffle plate, a second airtight air bag and a disc-shaped baffle plate which are sequentially arranged from front to back, wherein the center positions of the inner parts of the arc stress plate, the first airtight air bag, the disc-shaped baffle plate, the second airtight air bag and the disc-shaped baffle plate are connected together through a through composite pipeline, the front part of the composite pipeline is communicated and fixed with the hydrogel coagulation bag, the disc-shaped baffle plate is vertically arranged, three supporting telescopic rods distributed in a regular triangle shape are arranged on the periphery of the disc-shaped baffle plate, and the rear end of the composite pipeline is sleeved in a transition pipe sleeve through a V-shaped support. The air bag structure combines the advantages of explosion-proof equipment in the prior art, has shorter installation time than the traditional airtight explosion-proof equipment, can play a better explosion-proof airtight effect and ensures the safety of underground construction.
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申请号:202010013347.5 公开号:CN111233372A 主分类号:C04B26/18
摘要:【中文】本发明公开了一种煤矸石在锚固剂中大参量综合利用方法,属于船舶尾气脱硫废水处理领域。一种煤矸石在锚固剂中大参量综合利用方法,通过采用煤矸石替代锚固剂中石粉,在满足使用性能情况下,即加强了对不可再生资源和生态环境的保护,又消耗了工业废弃物,降低了成本,所以煤矸石替代锚固剂中石粉具有重大的现实意义和经济环保意义;现使用锚固剂由树脂,石粉,固化剂,促进剂组成,石粉选用含硅量高的沉积岩石粉,石粉为不可再生资源,而且生产石粉过程中对生态环境产生破坏,而煤矸石是工业废弃物,污染环境。 【EN】The invention discloses a large parameter comprehensive utilization method of coal gangue in an anchoring agent, belonging to the field of treatment of ship tail gas desulfurization wastewater. A coal gangue is used to replace stone powder in an anchoring agent, so that under the condition of meeting the use performance, the protection of non-renewable resources and ecological environment is enhanced, industrial waste is consumed, and the cost is reduced, so that the coal gangue has great practical significance and economic and environmental protection significance for replacing the stone powder in the anchoring agent; the existing anchoring agent consists of resin, stone powder, a curing agent and an accelerant, wherein the stone powder is sedimentary rock powder with high silicon content, the stone powder is a non-renewable resource, the ecological environment is damaged in the process of producing the stone powder, and coal gangue is industrial waste and pollutes the environment.
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申请号:201911364736.6 公开号:CN111106517A 主分类号:H01S3/094
申请人:【中文】上海频准激光科技有限公司【EN】PRECILASERS Co.,Ltd. 申请日:2019.12.26 公开日:2020.05.05
摘要:【中文】一种随机拉曼光纤激光器同带泵浦的掺铒光纤激光器,依次包括:随机激光器泵浦模块、泵浦耦合器、掺铒光纤激光器。本发明用随机光纤激光器作为掺铒光纤激光器的泵浦源,通过泵浦耦合器将泵浦光耦合到掺铒光纤激光器中,实现激光器高功率激光输出。本发明在保持了传统掺铒光纤激光器高效稳定等优点的同时,简化了传统拉曼光纤激光器同带泵浦掺铒光纤激光器的结构,有效解决掺铒光纤热管理问题,具有很大的发展前途和很高的实用价值。 【EN】An erbium-doped fiber laser with a random Raman fiber laser and a pump sequentially comprises: random laser pump module, pump coupler, erbium-doped fiber laser. The invention uses the random fiber laser as the pumping source of the erbium-doped fiber laser, and couples the pumping light into the erbium-doped fiber laser through the pumping coupler, thereby realizing the high-power laser output of the laser. The invention keeps the advantages of high efficiency, stability and the like of the traditional erbium-doped fiber laser, simplifies the structure of the same-band pumping erbium-doped fiber laser of the traditional Raman fiber laser, effectively solves the thermal management problem of the erbium-doped fiber, and has great development prospect and high practical value.
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