摘要：【中文】本发明公开了一种船用可移动超大回转数控切削专业铣床，包括:固定体、转动轴体、大轴承、消隙齿轮组、减速机、横梁、滑座、动力头组、丝杆机构、横梁，所述转动轴体通过大轴承固定在固定体上，所述大轴承为齿轮轴承，所述减速机安装在固定体上，减速机通过消隙齿轮组驱动大轴承旋转，带动转动轴体转动，所述横梁设置在转动轴体，所述滑座滑动安装在横梁上，所述丝杆机构设置在横梁与滑座之间，丝杆机构驱动滑座在横梁上滑动，所述动力头组安装在滑座上。本申发明结构简单，使用方便，便于移动和拆卸，可以对大型的平面物体进行车削加工，提高其加工精度，使尺寸更加精准，加工表面光滑，提高加工效率，节省人力，降低企业成本。 【EN】The invention discloses a movable oversized rotary numerical control cutting professional milling machine for a ship, which comprises a fixed body, a rotary shaft body, a large bearing, an anti-backlash gear set, a speed reducer, a cross beam, a sliding seat, a power head set, a screw rod mechanism and a cross beam, wherein the rotary shaft body is fixed on the fixed body through the large bearing, the large bearing is a gear bearing, the speed reducer is arranged on the fixed body, the speed reducer drives the large bearing to rotate through the anti-backlash gear set to drive the rotary shaft body to rotate, the cross beam is arranged on the rotary shaft body, the sliding seat is slidably arranged on the cross beam, the screw rod mechanism is arranged between the cross beam and the sliding seat, the screw rod mechanism drives the sliding seat to slide on the cross beam, and the power head. The lathe tool is simple in structure, convenient to use, convenient to move and detach, capable of turning large-scale planar objects, capable of improving machining precision, more accurate in size, smooth in machining surface, capable of improving machining efficiency, saving labor and reducing enterprise cost.

摘要：【中文】本发明公开一种基于最优分区的主动配电网分布式区间状态估计方法，步骤是：首先通过粒子群算法寻求主动配电网的最优分区；考虑配电网系统中的众多节点对配电网建立三相区间数学模型；根据三相区间数学模型进行分布式求解，设计分布式状态估计的算法。此种方法弥补了当前状态估计方法在分布式计算速度上的不足，提高了状态估计算法的精度与效率，为配电网的安全评估故障定位提供了理论支撑。 【EN】The invention discloses an active power distribution network distributed interval state estimation method based on optimal partitions, which comprises the following steps: firstly, seeking an optimal partition of an active power distribution network through a particle swarm algorithm; considering numerous nodes in a power distribution network system to establish a three-phase interval mathematical model for the power distribution network; and carrying out distributed solving according to the three-phase interval mathematical model, and designing a distributed state estimation algorithm. The method makes up the deficiency of the current state estimation method in distributed computing speed, improves the precision and efficiency of the state estimation algorithm, and provides theoretical support for the safety evaluation fault location of the power distribution network.

摘要：【中文】本发明公开一种激光器芯片及其制备方法，属于半导体技术领域。本发明的激光器芯片包括：第一散热层；第一电极层，其设置在所述第一散热层上；第一半导体层，其设置在所述第一电极层背离所述第一散热层的一侧；有源层，其设置在所述第一半导体层上背离所述第一电极层的一侧；第二半导体层，其形成于所述有源层上背离所述有源层的一侧；第二电极层，其设置在所述第二半导体层上背离所述有源层的一侧。本发明解决了现有的激光器芯片散热性能差的问题。 【EN】The invention discloses a laser chip and a preparation method thereof, and belongs to the technical field of semiconductors. The laser chip of the present invention includes: a first heat dissipation layer; a first electrode layer disposed on the first heat dissipation layer; the first semiconductor layer is arranged on one side, away from the first heat dissipation layer, of the first electrode layer; an active layer disposed on a side of the first semiconductor layer facing away from the first electrode layer; a second semiconductor layer formed on a side of the active layer facing away from the active layer; a second electrode layer disposed on a side of the second semiconductor layer facing away from the active layer. The invention solves the problem of poor heat dissipation performance of the conventional laser chip.

摘要：【中文】本发明公开一种激光器及其制备方法，属于半导体技术领域。本发明的激光器包括：激光器芯片，所述激光器芯片包括：衬底；至少一个发光单元，其设置在所述衬底上；非发光区域，其设置在所述发光单元的两侧；第一电极层，其形成于所述非发光区域背离所述衬底的一侧；第二电极层，其形成于所述发光单元背离所述衬底的一侧；基板，其上设有第三电极层和第四电极层，所述第三电极层和所述第四电极层分别与所述第一电极层和所述第二电极层对位连接。本发明通过将激光器的正负极均放置在同一侧，从而避免了打线工艺产生的引线电感带来的不利影响。 【EN】The invention discloses a laser and a preparation method thereof, and belongs to the technical field of semiconductors. The laser of the present invention comprises: a laser chip, the laser chip comprising: a substrate; at least one light emitting unit disposed on the substrate; non-light emitting regions disposed at both sides of the light emitting unit; a first electrode layer formed on a side of the non-light emitting region facing away from the substrate; a second electrode layer formed on a side of the light emitting unit away from the substrate; the substrate is provided with a third electrode layer and a fourth electrode layer, and the third electrode layer and the fourth electrode layer are connected with the first electrode layer and the second electrode layer in an alignment mode respectively. According to the invention, the anode and the cathode of the laser are arranged on the same side, so that adverse effects caused by lead inductance generated by a routing process are avoided.

摘要：【中文】本发明提供一种激光器模组及其制备方法，激光器模组包括：基板，包括多个电接触部；多个激光器芯片，位于所述基板上；散热器，贴合于所述基板的至少一侧。本发明解决了传统模组结构复杂、体积过大，连接电路中电感过大导致电路的响应时间过长的问题，并通过结构改进，满足不同结构、功率的VCSEL芯片一体化集成以满足不同场景应用要求。 【EN】The invention provides a laser module and a preparation method thereof, wherein the laser module comprises: a substrate comprising a plurality of electrical contacts; a plurality of laser chips on the substrate; and the radiator is attached to at least one side of the substrate. The invention solves the problems of complicated structure, overlarge volume and overlong response time of a circuit caused by overlarge inductance in a connecting circuit of the traditional module, and meets the integrated integration of VCSEL chips with different structures and powers through structural improvement so as to meet the application requirements of different scenes.

摘要：【中文】本发明公开一种激光器及其制备方法及其应用，属于半导体技术领域。本发明的激光器包括：基板；激光器芯片，其设置在所述基板上，且与所述基板电连接；封装体，形成于所述基板上，并包覆所述激光器芯片；第一光学结构，形成于所述封装体中背离所述基板的一侧，其中所述第一光学结构是一体成型于所述封装体上。本发明解决了发射器结构中通过胶粘剂连接支架和扩散器而导致的制程不良的问题。 【EN】The invention discloses a laser and a preparation method and application thereof, and belongs to the technical field of semiconductors. The laser of the present invention comprises: a substrate; a laser chip disposed on the substrate and electrically connected to the substrate; the packaging body is formed on the substrate and wraps the laser chip; and the first optical structure is formed on one side of the packaging body, which is far away from the substrate, wherein the first optical structure is integrally formed on the packaging body. The invention solves the problem of poor manufacturing process caused by connecting the bracket and the diffuser through an adhesive in the emitter structure.

摘要：【中文】本发明提出一种激光器结构及其制备方法和应用，所述激光器结构包括：衬底；外延层，设置在所述衬底上，所述外延层包括层叠的下包层、有源层、上包层和欧姆接触层；脊型波导，形成在所述上包层上；多个周期调制光栅，形成在所述上包层上，并位于所述脊型波导的两侧；其中，所述多个周期调制光栅与所述有源层之间具有预设距离，所述预设距离为50～200nm。本发明提出的激光器制作工艺简单、边模抑制比高、调制速度快，具有优良的动态单模特性。 【EN】The invention provides a laser structure and a preparation method and application thereof, wherein the laser structure comprises the following components: a substrate; the epitaxial layer is arranged on the substrate and comprises a lower cladding layer, an active layer, an upper cladding layer and an ohmic contact layer which are laminated; a ridge waveguide formed on the upper cladding layer; a plurality of periodic modulation gratings formed on the upper cladding and located on both sides of the ridge waveguide; and preset distances are reserved between the plurality of periodic modulation gratings and the active layer, and the preset distances are 50-200 nm. The laser provided by the invention has the advantages of simple manufacturing process, high side mode rejection ratio, high modulation speed and excellent dynamic single-mode characteristic.

摘要：【中文】本发明提出一种垂直腔面发射激光器及其制造方法与应用，包括，衬底；第一反射层，形成在所述衬底上；至少两个发光单元，形成在所述第一反射层上，每一所述发光单元包括至少两个发光子单元；第一沟槽，形成在所述至少两个发光单元之间，所述第一沟槽暴露出所述衬底；绝缘层，形成在所述第一沟槽内；第一电极，形成在所述至少两个发光单元上，连接所述至少两个发光单元，且每一所述发光单元内的发光子单元通过所述第一电极连接，形成公共阳极；至少两个第二电极，与所述第一反射层接触；其中，所述第一电极覆盖所述发光子单元，所述发光子单元发射的光线通过所述衬底出射。本发明提出的垂直腔面发射激光器应用频率快。 【EN】The invention provides a vertical cavity surface emitting laser and a manufacturing method and application thereof, comprising a substrate; a first reflective layer formed on the substrate; at least two light emitting units formed on the first reflective layer, each of the light emitting units including at least two light emitting sub-units; a first trench formed between the at least two light emitting cells, the first trench exposing the substrate; an insulating layer formed in the first trench; the first electrode is formed on the at least two light-emitting units and connected with the at least two light-emitting units, and the light-emitting sub-units in each light-emitting unit are connected through the first electrode to form a common anode; at least two second electrodes in contact with the first reflective layer; the first electrode covers the light-emitting subunit, and light emitted by the light-emitting subunit is emitted out through the substrate. The vertical cavity surface emitting laser provided by the invention has high application frequency.

摘要：【中文】本发明公开了一种基于原始套接字的电力信息物理系统实时仿真平台的实现方法，包括如下步骤：(1)采用实时仿真器OPAL‑RT和OPNET软件分别对电力系统和通信系统进行建模，构建实时混合仿真架构；(2)遵循IEC61850标准的智能变电站过程层‑间隔层通信机制，构建仿真架构中实时保证的通信服务映射机制；(3)构建基于原始套接字的异步数据交互机制，减小实时混合仿真平台的固有时延。本发明基于原始套接字的异步通信数据交互机制，能够减小仿真平台的固有时延。 【EN】The invention discloses a method for realizing a real-time simulation platform of a power information physical system based on an original socket, which comprises the following steps: (1) respectively modeling an electric power system and a communication system by adopting real-time simulator OPAL-RT and OPNET software, and constructing a real-time hybrid simulation architecture; (2) the method comprises the steps that an intelligent substation process layer-bay layer communication mechanism conforming to the IEC61850 standard is used for constructing a communication service mapping mechanism guaranteed in real time in a simulation framework; (3) and an asynchronous data interaction mechanism based on an original socket is constructed, so that the inherent time delay of the real-time hybrid simulation platform is reduced. The invention can reduce the inherent time delay of the simulation platform based on the asynchronous communication data interaction mechanism of the original socket.

摘要：【中文】本发明公开了一种基于数据衍生的电力负荷预测方法，包括获取历史用电数据；将所述历史用电数据带入正态分布函数进行衍生拓展，得出拓展衍生得出的数据，历史用电数据与拓展衍生得出的数据共同作为用电负荷数据；将用电负荷数据划分成训练集与验证集；将训练集数据作为输入带入预设结构的模型，以输入固定时间的实际负荷作为输出进行训练，并在训练过程中带入验证集数据进行验证，得到预测模型；将一个时间段的用电负荷数据带入预测模型，得出下一个时间段的用电负荷预测结果，本发明提出的方法通过对将历史用电数据带入正态分布函数进行衍生拓展，增大了进行预测的数据量，进而提高了用电负荷预测的准确性。 【EN】The invention discloses a power load prediction method based on data derivation, which comprises the steps of obtaining historical power consumption data; substituting the historical electricity utilization data into a normal distribution function to conduct derivative development to obtain data derived from development, wherein the historical electricity utilization data and the data derived from development are jointly used as electricity utilization load data; dividing the power load data into a training set and a verification set; taking training set data as input and bringing the training set data into a model with a preset structure, taking actual load of input fixed time as output for training, and bringing verification set data in the training process for verification to obtain a prediction model; the method provided by the invention has the advantages that historical electricity utilization data are substituted into a normal distribution function to be subjected to derivative expansion, so that the data volume for prediction is increased, and the accuracy of electricity utilization load prediction is further improved.