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1. 发明公开

US20230283079A1 Wind turbine power phase control with DC collection bus for onshore/offshore windfarms 审中-公开
公开(公告)号：US20230283079A1
公开(公告)日：2023-09-07
申请号：US17684665
申请日：2022-03-02
申请人： National Technology & Engineering Solutions of Sandia, LLC , Michigan Technological University
发明人： Wayne W. Weaver , David G. Wilson , Rush D. Robinett, III
IPC分类号： H02J3/38 , F03D9/25 , F03D9/11
CPC分类号： H02J3/381 , F03D9/257 , F03D9/11 , H02J2300/28
摘要： A DC bus collection system for a wind farm reduces the overall required number of converters and minimizes the energy storage system requirements. The DC bus collection system implements a power phasing control method between wind turbines that filters the variations and improves power quality. The phasing control method takes advantage of a novel power packet network concept with nonlinear power flow control design techniques that guarantees both stable and enhanced dynamic performance.

2. 发明申请

US20230133443A1 SYSTEM FOR AND METHOD OF PRODUCING A WELD ARC ADDITIVE MANUFACTURING PART WITH GRANULAR SUPPORT 有权
公开(公告)号：US20230133443A1
公开(公告)日：2023-05-04
申请号：US17912249
申请日：2021-03-19
申请人： Michigan Technological University
发明人： Gerald C. Anzalone
IPC分类号： B23K9/04 , B22F10/38 , B22F10/43 , B22F5/10 , B22F10/68 , B22F10/73 , B22F12/60 , B22F10/36 , B22F10/85
摘要： The invention is a system for and method of manufacturing metallic parts through weld arc additive manufacturing with conductive granular media as support, to manufacture parts which have overhangs, hollow sections, a plurality of openings, a geometry having a discontinuous structure when formed by additive manufacturing steps that is joined, or a combination of geometries known in the art of manufacturing that could heretofore only be produced by cutting and assembling a variety of different parts. The system and method of the invention contemplate use of conductive granular media support material which may become at least partially incorporated in, or part of, a final part produced using the system or method of the invention.

3. 发明申请

US20210122643A1 SALT PRODUCTION VIA HYDROHALITE DECOMPOSITION 有权
公开(公告)号：US20210122643A1
公开(公告)日：2021-04-29
申请号：US17039481
申请日：2020-09-30
申请人： MICHIGAN TECHNOLOGICAL UNIVERSITY
发明人： Tim Eisele
IPC分类号： C01D3/06 , C01D3/14 , C01B9/02 , C01B6/34
摘要： Salt production can include preparing hydrohalite particles by crystallization from saturated brine, adding the hydrohalite particles to a salt brine, thereby forming a hydrohalite-salt brine mixture, agitating the hydrohalite-salt brine mixture until the hydrohalite particles have decomposed into NaCl crystals, and filtering out the NaCl crystals from the salt brine. In some instances, an initial temperature of the salt brine prior to adding the hydrohalite particles is at least 0° C. In some instances, a ratio of salt brine to hydrohalite particles, by weight, is from 0.4 to 29.

4. 发明申请

US20210079918A1 Exergy Surface Shaping and Thermodynamic Flow Control of Electro-Mechanical-Thermal Systems 有权
公开(公告)号：US20210079918A1
公开(公告)日：2021-03-18
申请号：US17019217
申请日：2020-09-12
申请人： National Technology & Engineering Solutions of Sandia, LLC , Michigan Technological University
发明人： Wayne W. Weaver , Rush D. Robinett, III , David G. Wilson
IPC分类号： F04D13/06 , H02N3/00 , H02K7/14
摘要： This invention is directed to exergy surface shaping and thermodynamic flow control (ESSTFC) for electro-mechanical-thermal (EMT) systems (i.e., irreversible work processes with heat and mass flows). Extended irreversible thermodynamics are utilized to produce consistent thermal equations-of-motion that directly include the exergy destruction terms. A simplified EMT system that models the EMT dynamics of a ship equipped with a railgun is used to demonstrate the application of ESSTFC for designing high performance, stable nonlinear controllers for EMT systems.

5. 发明授权

US10823134B2 Nonlinear controller for nonlinear wave energy converters 有权
公开(公告)号：US10823134B2
公开(公告)日：2020-11-03
申请号：US16534746
申请日：2019-08-07
申请人： National Technology & Engineering Solutions of Sandia, LLC , Michigan Technological University
发明人： David G. Wilson , Giorgio Bacelli , Rush D. Robinett, III , Ossama Abdelkhalik
IPC分类号： F03B13/14
摘要： The present invention is directed to a nonlinear controller for nonlinear wave energy converters (WECs). As an example of the invention, a nonlinear dynamic model is developed for a geometrically right-circular cylinder WEC design for the heave-only motion, or a single degree-of-freedom (DOF). The linear stiffness term is replaced by a nonlinear cubic hardening spring term to demonstrate the performance of a nonlinear WEC as compared to an optimized linear WEC. By exploiting the nonlinear physics in the nonlinear controller, equivalent power and energy capture, as well as simplified operational performance is observed for the nonlinear cubic hardening spring controller when compared to an optimized linear controller.

6. 发明授权

US10197040B2 Optimal control of wave energy converters 有权
公开(公告)号：US10197040B2
公开(公告)日：2019-02-05
申请号：US15466605
申请日：2017-03-22
申请人： National Technology & Engineering Solutions of Sandia, LLC , Michigan Technological University , South Dakota Board of Regents
发明人： Ossama Abdelkhalik , Rush D. Robinett, III , Shangyan Zou , Giorgio Bacelli , David G. Wilson , Umesh Korde
IPC分类号： F03B13/16 , G05B19/406 , F03B15/00
摘要： A wave energy converter and method for extracting energy from water waves maximizes the energy extraction per cycle by estimating an excitation force of heave wave motion on the buoy, computing a control force from the estimated excitation force using a dynamic model, and applying the computed control force to the buoy to extract energy from the heave wave motion. Analysis and numerical simulations demonstrate that the optimal control of a heave wave energy converter is, in general, in the form of a bang-singular-bang control; in which the optimal control at a given time can be either in the singular arc mode or in the bang-bang mode. The excitation force and its derivatives at the current time can be obtained through an estimator, for example, using measurements of pressures on the surface of the buoy in addition to measurements of the buoy position. A main advantage of this approximation method is the ease of obtaining accurate measurements for pressure on the buoy surface and for buoy position, compared to wave elevation measurements.

7. 发明申请

US20180031384A1 AUGMENTED ROAD LINE DETECTION AND DISPLAY SYSTEM 审中-公开
公开(公告)号：US20180031384A1
公开(公告)日：2018-02-01
申请号：US15222424
申请日：2016-07-28
申请人： TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. , MICHIGAN TECHNOLOGICAL UNIVERSITY
发明人： Jae Seung LEE , Paul Donald SCHMALENBERG , Nikola Stevan SUBOTIC
IPC分类号： G01C21/36 , G06T19/00 , G05D1/02 , B60R1/00 , G01C21/28 , G01C21/16
CPC分类号： G01C21/365 , B60R1/00 , B60R2300/205 , B60R2300/305 , B60R2300/308 , B60R2300/8086 , G01C21/3602 , G06K9/00671 , G06K9/00791 , G06K9/00805 , G06T19/006
摘要： An augmented road line display system that includes one or more sensors installed on a vehicle, one or more external databases, and processing circuitry. The processing circuitry is configured to receive inputs from the one or more databases, sensors of the vehicle, and a sub-system of the vehicle, build and validate a road line model to detect or predict a road line based on the inputs received, determine environmental conditions based on the inputs from one or more of the databases, and a sub-system of the vehicle, assign weights to the inputs received based on the environmental conditions to generate weighted inputs, and execute the road line model to determine the road line based on the weighted inputs.

8. 发明授权

US09243023B2 Purification of synthetic oligonucleotides 有权
标题翻译：合成寡核苷酸的纯化
公开(公告)号：US09243023B2
公开(公告)日：2016-01-26
申请号：US13876201
申请日：2011-09-27
申请人： Shiyue Fang
发明人： Shiyue Fang
IPC分类号： C07H21/00 , C07H1/06 , C07H19/073 , C07F7/18 , C07F9/22 , C07H19/10 , C07H23/00
CPC分类号： C07H21/00 , C07F7/1804 , C07F9/222 , C07H1/06 , C07H19/073 , C07H19/10 , C07H23/00
摘要： This invention provides a method for purifying synthetic oligonucleotides comprising capping, polymerizing and separating any failure sequences produced during oligonucleotide synthesis. The invention also provides a method for purifying synthetic oligonucleotides comprising reacting a full length oligonucleotide with a compound to attach a polymerizable functional group to an end of the full length oligonucleotide, polymerizing the full length oligonucleotides and removing the failure sequences, and recovering the full length oligonucleotides. The invention also provides novel capping agents having a polymerizable functional group, and kits comprising at least one composition of the present invention.
摘要翻译：本发明提供了纯化合成寡核苷酸的方法，其包括封端，聚合和分离在寡核苷酸合成期间产生的任何故障序列。本发明还提供了纯化合成寡核苷酸的方法，其包括使全长寡核苷酸与化合物反应以将可聚合官能团连接到全长寡核苷酸的末端，聚合全长寡核苷酸并除去失效序列，并回收全长寡核苷酸。本发明还提供了具有可聚合官能团的新型封端剂，以及包含至少一种本发明组合物的试剂盒。

9. 发明授权

US09116242B2 Map aware adaptive automotive radar 有权
标题翻译：地图识别自适应汽车雷达
公开(公告)号：US09116242B2
公开(公告)日：2015-08-25
申请号：US13787092
申请日：2013-03-06
申请人： Toyota Motor Engineering & Manufacturing North America, Inc. , Michigan Technological University
发明人： Jae Seung Lee , Nikola Stevan Subotic , James Paul Ebling , Helen Kourous Harrigan
IPC分类号： G01S13/86 , G01S13/93 , G01S13/00
CPC分类号： G01S13/931 , G01S13/86
摘要： A dedicated short range radar system is provided for use with a GPS system. The radar system includes a transmitter which transmits a microwave radio signal. A receiver is coupled to a horizontally scanning receiver antenna array which receives an echo, if present, from the radio signal transmitted by the transmitter. The radio receiver then generates an output signal representative of the echo. A control circuit then receives the output signal from the antenna array as well as the output signal from the GPS system. The control circuit then varies the mode of operation of the receiver and/or the transmitter as a function of the type of roadway for optimal radar performance.
摘要翻译：提供专用的短距离雷达系统，用于GPS系统。雷达系统包括发射微波无线电信号的发射机。接收器耦合到水平扫描接收机天线阵列，其从发射机发射的无线电信号接收回波（如果存在）。无线电接收机然后产生表示回波的输出信号。然后控制电路接收来自天线阵列的输出信号以及来自GPS系统的输出信号。然后，控制电路根据用于最佳雷达性能的道路类型来改变接收机和/或发射机的操作模式。

10. 发明授权

US08666682B2 Rotational torque measurement device 有权
标题翻译：旋转扭矩测量装置
公开(公告)号：US08666682B2
公开(公告)日：2014-03-04
申请号：US12837253
申请日：2010-07-15
申请人： Paul A. LaVigne , Daniel R. Kemppainen , Glen L. Barna
发明人： Paul A. LaVigne , Daniel R. Kemppainen , Glen L. Barna
IPC分类号： G01L1/00
CPC分类号： G01L3/109 , G01L3/12
摘要： A device for measuring torque applied through a rotating member. A first torsion reference member is fixedly coupled to the rotating member at a first axial position and a second torsion reference member is fixedly coupled to the rotating member at a second axial position. A first detector detects the passage of the first torsion reference member past the first detector upon each full rotation of the rotating member and to generate a first signal upon each passage of the first torsion reference member. A second detector detects the passage of the second torsion reference member past the second detector upon each full rotation of the rotating member and to generate a second signal upon each passage of the second torsion reference member. A controller calculates a phase difference between the first signal and the second signal relative during rotation of the rotating member under a torsional load.
摘要翻译：用于测量通过旋转构件施加的扭矩的装置。第一扭转参考构件在第一轴向位置处固定地联接到旋转构件，并且第二扭转参考构件在第二轴向位置处固定地联接到旋转构件。第一检测器在旋转构件的每次完全旋转时检测第一扭转基准构件经过第一检测器的通过，并且在第一扭转参考构件的每次通过时产生第一信号。第二检测器在旋转构件的每次完全旋转时检测第二扭转基准构件通过第二检测器，并且在第二扭转参考构件的每次通过时产生第二信号。控制器在旋转构件在扭转载荷下旋转期间计算第一信号和第二信号之间的相位差。

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