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    • 1. 发明申请
    • SINGLE-FRAME IMPELLER OF WIND TURBINE GENERATOR SET
    • 风力发电机组的单框架叶轮
    • US20170030331A1
    • 2017-02-02
    • US15293124
    • 2016-10-13
    • Xiaoxin Zhang
    • Xiaoxin ZhangChengxi LiangHaoxia Dong
    • F03D7/02F03D80/80F03D1/06
    • F03D7/0224F03D1/0625F03D1/0658F03D80/82F03D80/88F05B2240/33F05B2260/74F05B2260/79F16H1/203Y02E10/721Y02E10/723
    • The present invention relates to the technical field of wind power generating equipment, in particular to a single-frame impeller of a wind turbine generator set. Influenced by the structure, materials and the like, a horizontal-shaft wind turbine generator set in the prior art has problems of low wind energy utilization rate, relatively high design requirements, relatively large volume and weight, difficulty in maintenance and repairing, likeliness in over-speed flying, and the like. The single-frame impeller of the wind turbine generator set includes a wind wheel frame, a blade adjusting device, a supporting base and oblique supporting rods, wherein the blade adjusting device and the supporting base are connected and assembled to the front end of a generator main shaft, the wind wheel frame and the supporting base are connected through the oblique supporting rods, and blades encircle the blade adjusting device and are assembled in the wind wheel frame through shafts; and the blade adjusting device is provided with a closed adjusting chamber, and a gear-type, a gear-rack-type or a connecting-rod-type combined adjusting mechanism is assembled in the adjusting chamber. The present invention changes a connecting way of the blades and increases the quantity of the blades, thereby increasing the wind energy utilization efficiency, increasing the overall output power, decreasing the failure rate and improving the safety, reliability and economical efficiency.
    • 本发明涉及风力发电设备的技术领域,特别涉及风力发电机组的单框架叶轮。 在现有技术的水平轴式风力发电机组中,由于结构,材料等的影响,风能利用率低,设计要求相对较高,体积和重量相对较大,维修保养难度大等问题。 超速飞行等。 风力发电机组的单框架叶轮包括风轮框架,叶片调节装置,支撑底座和倾斜支撑杆,其中叶片调节装置和支撑基座连接并组装到发电机的前端 主轴,风轮架和支撑基座通过倾斜支撑杆连接,叶片环绕叶片调节装置,并通过轴组装在风轮框架中; 并且叶片调节装置设置有封闭的调节室,并且在调节室中组装齿轮型,齿条型或连杆式组合调节机构。 本发明改变了叶片的连接方式,增加了叶片的数量,从而提高了风能利用效率,提高了整体输出功率,降低了故障率,提高了安全性,可靠性和经济性。
    • 2. 发明授权
    • Positioning technique for wireless communication system
    • 无线通信系统定位技术
    • US08824325B2
    • 2014-09-02
    • US13315174
    • 2011-12-08
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • G01S5/02G01S5/14G01S13/87
    • G01S5/0257G01S5/021G01S5/14G01S13/876
    • A hybrid positioning system can be implemented to improve location estimation of a wireless network device when reference network devices can have different distance calibration constants. For each of a plurality of positions at which the wireless network device is placed and for each reference network device, a distance between the wireless network device and the reference network device is determined. A first positioning algorithm is executed to determine an intermediate location (corresponding to each position) of the wireless network device and a distance calibration constant for each reference network device based, in part, on a corresponding initial location of the wireless network device. A second positioning algorithm is executed to estimate a subset of the positions of the wireless network device based on the intermediate location (corresponding to the position) of the wireless network device and the distance calibration constant of each of reference network devices.
    • 当参考网络设备可以具有不同的距离校准常数时,可以实现混合定位系统以改善无线网络设备的位置估计。 对于放置无线网络设备的多个位置中的每一个,并且对于每个参考网络设备,确定无线网络设备与参考网络设备之间的距离。 执行第一定位算法以部分地基于无线网络设备的相应初始位置来确定无线网络设备的中间位置(对应于每个位置)和每个参考网络设备的距离校准常数。 执行第二定位算法,以基于无线网络设备的中间位置(对应于位置)和每个参考网络设备的距离校准常数来估计无线网络设备的位置的子集。
    • 3. 发明申请
    • RTT BASED RANGING SYSTEM AND METHOD
    • 基于RTT的系统和方法
    • US20130336131A1
    • 2013-12-19
    • US13523457
    • 2012-06-14
    • Xiaoxin ZHANGNing Zhang
    • Xiaoxin ZHANGNing Zhang
    • H04W24/00
    • H04W24/00G01S13/765H04W64/00
    • A system and method are disclosed for performing ranging operations (700) between two or more wireless devices (STA1 and STA2). For some embodiments, the ranging operation allows each of a pair of ranging devices to estimate timing errors associated with measuring the time of arrival (TOA) of received signals, and to remove such timing errors from the measured TOA values. TOA and time of departure (TOD) information may also be exchanged between the devices using measurement action frames defined by IEEE 802.11v standards. In addition, an iterative process (800) is disclosed that allows a sequence of measurement action frames exchanged between the ranging devices to refine the timing errors and thus also refine the round trip time (RTT) value of signals exchanged between the devices.
    • 公开了用于在两个或多个无线设备(STA1和STA2)之间执行测距操作(700)的系统和方法。 对于一些实施例,测距操作允许一对测距装置中的每一个估计与测量接收信号的到达时间(TOA)相关联的定时误差,并且从测量的TOA值中去除这些定时误差。 也可以使用由IEEE 802.11v标准定义的测量动作帧在设备之间交换TOA和出发时间(TOD)信息。 此外,公开了一种迭代过程(800),其允许在测距设备之间交换的测量动作帧序列来细化定时误差,并且因此还改善在设备之间交换的信号的往返时间(RTT)值。
    • 4. 发明授权
    • Time of arrival based positioning system
    • 到达时间定位系统
    • US08521181B2
    • 2013-08-27
    • US13236172
    • 2011-09-19
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W24/00
    • H04W4/02G01S5/021G01S5/14G01S13/876
    • A TOA positioning system can be implemented that employs a calculated initial location of a wireless network device. For each of a plurality of reference wireless network devices, a distance between the wireless network device and the reference wireless network device is determined based, at least in part, on a round trip transit time between the wireless network device and the reference wireless network device. An initial location of the wireless network device can be calculated based, at least in part, on a location of each of the plurality of reference wireless network devices. A location of the wireless network device can be estimated based, at least in part, on the calculated initial location, the distance to each of the reference wireless network devices, and an initial distance calibration constant.
    • 可以实现采用计算的无线网络设备的初始位置的TOA定位系统。 对于多个参考无线网络设备中的每一个,无线网络设备和参考无线网络设备之间的距离至少部分地基于无线网络设备和参考无线网络设备之间的往返传送时间来确定 。 可以至少部分地基于多个参考无线网络设备中的每一个的位置来计算无线网络设备的初始位置。 可以至少部分地基于所计算的初始位置,到每个参考无线网络设备的距离以及初始距离校准常数来估计无线网络设备的位置。
    • 5. 发明申请
    • HYBRID TDOA AND TOA BASED POSITIONING SYSTEM
    • 混合TDOA和TOA基定位系统
    • US20130072220A1
    • 2013-03-21
    • US13236259
    • 2011-09-19
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W64/00
    • G01S5/021G01S5/0268
    • A hybrid TDOA-TOA positioning system can be implemented to improve location estimation of a wireless network device. An initial location of the wireless network device can be calculated based on locations of a plurality of reference network devices. An intermediate location of the wireless network device can be determined based, at least in part, on the initial location of the wireless network device and distance differences between the wireless network device and each pair of the reference network devices. A second intermediate location of the wireless network device and a distance calibration constant can be calculated based on the locations of the reference network devices, the intermediate location, and/or round trip transit times between the wireless network device and each reference network device. The location of the wireless network device can be iteratively estimated based, at least in part, on the second intermediate location and the distance calibration constant.
    • 可以实现混合TDOA-TOA定位系统,以改善无线网络设备的位置估计。 可以基于多个参考网络设备的位置来计算无线网络设备的初始位置。 可以至少部分地基于无线网络设备的初始位置和无线网络设备与每对参考网络设备之间的距离差来确定无线网络设备的中间位置。 可以基于无线网络设备和每个参考网络设备之间的参考网络设备的位置,中间位置和/或往返行驶时间来计算无线网络设备的第二中间位置和距离校准常数。 可以至少部分地基于第二中间位置和距离校准常数迭代地估计无线网络设备的位置。
    • 6. 发明申请
    • HYBRID TIME OF ARRIVAL BASED POSITIONING SYSTEM
    • 基于定位系统的混合时间
    • US20130072219A1
    • 2013-03-21
    • US13236232
    • 2011-09-19
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W64/00
    • G01S5/021G01S5/0268G01S5/0289G01S5/14
    • A hybrid TOA positioning system can be implemented to improve location estimation of a wireless network device. An initial location of the wireless network device can be calculated based on locations of a plurality of reference network devices. A first intermediate location of the wireless network device and an intermediate distance calibration constant can be determined based, at least in part, on the initial location of the wireless network device and distance between the wireless network device and each of the reference network devices. A second intermediate location of the wireless network device and a target distance calibration constant can be calculated based on the locations of the reference network devices, the first intermediate location, and/or the intermediate distance calibration constant. The location of the wireless network device can be iteratively estimated based, at least in part, on the second intermediate location and the target distance calibration constant.
    • 可以实现混合TOA定位系统以改善无线网络设备的位置估计。 可以基于多个参考网络设备的位置来计算无线网络设备的初始位置。 可以至少部分地基于无线网络设备的初始位置以及无线网络设备与每个参考网络设备之间的距离来确定无线网络设备的第一中间位置和中间距离校准常数。 可以基于参考网络设备的位置,第一中间位置和/或中间距离校准常数来计算无线网络设备的第二中间位置和目标距离校准常数。 可以至少部分地基于第二中间位置和目标距离校准常数来迭代地估计无线网络设备的位置。
    • 8. 发明申请
    • Method and Apparatus for Displaying Cascading Menu
    • 显示级联菜单的方法和装置
    • US20120124523A1
    • 2012-05-17
    • US12863374
    • 2010-04-29
    • Xiaoxin ZhangChangyuan Yang
    • Xiaoxin ZhangChangyuan Yang
    • G06F3/048
    • G06F3/0482G06F3/04817G06F3/04842G06F9/451
    • The present disclosure discloses a method of displaying a cascading menu that includes a plurality of submenus. The method determines a first submenu as indicated for browsing by a user based on a clicking event of the user. When an operation interface of the first submenu is in a collapsed mode, a number of submenus that are currently in an expanded mode within an operation interface of the cascading menu is counted. When the number of submenus that are currently in the expanded mode reaches a defined threshold, at least a second submenu is selected from the submenus that are currently in the expanded mode, and an operation interface of the second submenu is shrunk. The operation interface of the first submenu is expanded. Therefore, a size of the operation interface of the cascading menu will not increase as the number of the expanded submenus increases. As such, the amount of a page space occupied by the cascading menu is reduced and utilization of the page space is improved. The present disclosure further discloses a terminal apparatus.
    • 本公开公开了一种显示包括多个子菜单的级联菜单的方法。 该方法基于用户的点击事件来确定由用户浏览指示的第一子菜单。 当第一子菜单的操作界面处于折叠模式时,对级联菜单的操作界面当前处于扩展模式的子菜单进行计数。 当当前处于扩展模式的子菜单的数量达到定义的阈值时,从当前处于扩展模式的子菜单中选择至少第二子菜单,并且第二子菜单的操作界面缩小。 扩展第一个子菜单的操作界面。 因此,随着扩展子菜单的数量增加,级联菜单的操作界面的大小将不会增加。 因此,级联菜单占用的页面空间量减少,页面空间的利用率得到改善。 本公开进一步公开了一种终端装置。