公开(公告)号：US09054567B2

公开(公告)日：2015-06-09

申请号：US13287207

申请日：2011-11-02

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P6/00 ,  H02K1/24 ,  H02K15/12

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: A power converter having a first switch and a first unidirectional current device that conducts current unidirectionally. The first switch and first unidirectional current device are interconnected such that when interconnected with a dc voltage supply, battery, and first phase winding of an electrical machine: (1) a first operational state exists in which a conductive state of the first switch causes the dc voltage supply to conduct current through the first switch and first phase winding, so as to store energy within the first phase winding and (2) a second operational state exists in which a non-conductive state of the first switch causes the first phase winding to discharge its stored energy by conducting current through the first unidirectional current device and battery, so as to store energy in the battery.

Abstract translation: 具有第一开关和第一单向电流装置的功率转换器，其单向导通电流。 第一开关和第一单向电流装置互连，使得当与电机的直流电压，电池和第一相绕组互连时：（1）存在第一操作状态，其中第一开关的导通状态导致 直流电压供应以通过第一开关和第一相绕组传导电流，以便在第一相绕组内存储能量，以及（2）存在第一操作状态的第二操作状态，其中第一开关的非导通状态导致第一相绕组 通过传导电流通过第一单向电流装置和电池来释放其存储的能量，以便将电能存储在电池中。

公开(公告)号：US20140035490A1

公开(公告)日：2014-02-06

申请号：US13959334

申请日：2013-08-05

Applicant: Krishnan RAMU

Inventor： Krishnan RAMU

IPC: H02P6/14

CPC classification number: H02P6/14 ,  H02K1/14 ,  H02K3/18 ,  H02K2213/03

Abstract: Drive circuits that provide power factor correction and input current waveform shaping for controlling the speed and torque in a switched reluctance machine (SRM). The machine's phase windings are split into two segments, one of which is used for active power factor correction, input ac current waveform shaping and partial torque generation and the other of which is used for torque generation.

Abstract translation: 提供功率因数校正和输入电流波形整形的驱动电路，用于控制开关磁阻电机（SRM）中的速度和转矩。 机器相绕组分为两段，其中一段用于有功功率因数校正，输入交流电流波形整形和部分转矩生成，另一段用于转矩产生。

公开(公告)号：US20130009589A1

公开(公告)日：2013-01-10

申请号：US13460911

申请日：2012-05-01

Applicant: Krishnan RAMU ,  Keunsoo Ha ,  Sung-Yeul Park

Inventor： Krishnan RAMU ,  Keunsoo Ha ,  Sung-Yeul Park

IPC: H02P1/40

CPC classification number: H02P25/092

Abstract: Regulating the speed of a two-phase switched reluctance machine (TPSRM) rotor includes selecting either a motoring mode or braking mode of operation for the TPSRM, regulating the rotor speed, when the motoring mode is selected, using a control signal cooperatively produced by a speed control feedback loop and a current control feedback loop; and regulating the rotor speed, when the braking mode is selected, using a control signal produced by the current control feedback loop without the cooperation of the speed control feedback loop. The speed control feedback loop uses an established speed control signal and a signal indicative of the rotor's speed to dynamically adjust a first parameter governing the control signal. The current control feedback loop uses an established current control signal and a signal indicative of the current flowing through a stator winding of the TPSRM to dynamically adjust a second parameter governing the control signal.

Abstract translation: 调节二相开关磁阻电机（TPSRM）转子的转速包括：选择电机运行模式或TPSRM的制动运行模式，当选择运行模式时，使用协调制作的控制信号来调节转子转速 速度控制反馈回路和电流控制反馈回路; 并且当选择制动模式时，使用由电流控制反馈回路产生的控制信号，而不需要速度控制反馈回路的协调来调节转子速度。 速度控制反馈回路使用已建立的速度控制信号和指示转子速度的信号来动态调整控制控制信号的第一参数。 电流控制反馈回路使用建立的电流控制信号和指示流过TPSRM的定子绕组的电流的信号来动态地调整控制控制信号的第二参数。

公开(公告)号：US20120104984A1

公开(公告)日：2012-05-03

申请号：US13287221

申请日：2011-11-02

Applicant: Krishnan RAMU

Inventor： Krishnan RAMU

IPC: H02P6/14

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: An electrical device has a capacitive storage element and first and second switches. The capacitive storage element and first and second switches are interconnected such that when interconnected with a direct current (dc) voltage supply and first and second windings of an electrical machine: (1) a first operational state exists in which conductive states of the first and second switches cause the dc voltage supply to conduct current through the first winding and the first switch and conduct current through the first and second switches and the second winding, respectively, thereby storing energy within the first and second windings, and (2) a second operational state exists in which non-conductive states of the first and second switches cause each of the first and second windings to discharge stored energy by conducting current through the capacitive storage element, thereby storing energy in the capacitive storage element.

Abstract translation: 电气设备具有电容性存储元件和第一和第二开关。 电容性存储元件和第一和第二开关互连，使得当与直流（dc）电压源和电机的第一和第二绕组互连时：（1）存在第一操作状态，其中第一和第二开关的导电状态 第二开关导致直流电压源通过第一绕组和第一开关导通电流，并分别通过第一和第二开关和第二绕组传导电流，从而在第一和第二绕组内存储能量，以及（2）第二开关 存在操作状态，其中第一和第二开关的非导通状态通过使电流通过电容性存储元件而使第一和第二绕组中的每一个释放存储的能量，从而将能量存储在电容性存储元件中。

公开(公告)号：US20120104982A1

公开(公告)日：2012-05-03

申请号：US13285176

申请日：2011-10-31

Applicant: Krishnan RAMU

Inventor： Krishnan RAMU

IPC: H02K37/04 ,  H02K29/10 ,  H02K11/00

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: An electrical machine rotor includes a flux-conducting portion and a flux-inhibiting portion. The flux-conducting portion is conducive to conveying an electromagnetic flux and has a plurality of salient rotor poles and a portion of back material. The flux-inhibiting portion is less conducive to conveying an electromagnetic flux than the flux-conducting portion and is disposed entirely outside the boundaries of the rotor poles.

Abstract translation: 电机转子包括磁通传导部分和磁通抑制部分。 导磁部分有利于输送电磁通量并具有多个凸极转子极和一部分后部材料。 磁通抑制部分不利于传导电磁通量而不是导磁部分，并且完全设置在转子极的边界之外。

公开(公告)号：US20120104879A1

公开(公告)日：2012-05-03

申请号：US13285150

申请日：2011-10-31

Applicant: Krishnan RAMU

Inventor： Krishnan RAMU

IPC: H02K1/08

CPC classification number: H02K1/32 ,  G01B11/26 ,  H02K1/14 ,  H02K1/146 ,  H02K1/148 ,  H02K1/20 ,  H02K1/24 ,  H02K15/12 ,  Y02T10/641

Abstract: An electrical machine rotor or stator having a plurality of salient poles and a barrier that inhibits the flow of air along an axial path between the environment outside the rotor or stator and the space between adjacent pairs of the poles. The barrier serves to reduce acoustic noise.

Abstract translation: 一种电机转子或定子，具有多个凸极和屏障，其阻止沿着转子或定子外部的环境之间的轴向路径与相邻的极对之间的空间的空气流。 该屏障用于减少声学噪声。

公开(公告)号：US08080964B2

公开(公告)日：2011-12-20

申请号：US11718325

申请日：2005-10-31

Applicant: Christopher Allen Hudson ,  Nimal Lobo ,  Krishnan Ramu

Inventor： Christopher Allen Hudson ,  Nimal Lobo ,  Krishnan Ramu

IPC: B25J9/18 ,  G05B19/19

CPC classification number: H02P23/0077

Abstract: A method for collecting operational parameters of a motor may include controlling the energization of a phase winding of the motor to establish an operating point, monitoring operational parameters of the motor that characterize a relationship between the energization control applied to the motor's phase winding and the motor's response to this control, and collecting information of the operational parameters for the operating point that characterizes the relationship between the applied energization control and the motor's response. The collected information characterizing the relationship between the applied energization control and the motor's response may be employed by a neural network to estimate the regions of operation of the motor. And a system for controlling the operation of motor may employ this information, the neural network, or both to regulate the energization of a motor's phase winding during a phase cycle.

Abstract translation: 用于收集电动机的操作参数的方法可以包括控制电动机的相绕组的通电以建立工作点，监测电动机的操作参数，其表征施加到电动机的相绕组的通电控制与电动机的相位绕组之间的关系 响应于该控制，并且收集表征施加的通电控制和电动机响应之间的关系的操作点的操作参数的信息。 通过神经网络可以采集表征所施加的通电控制和电动机响应之间的关系的收集的信息来估计电动机的操作区域。 并且用于控制电动机的操作的系统可以使用该信息，神经网络或两者来调节在相循环期间电动机的相绕组的通电。

公开(公告)号：US20110234134A1

公开(公告)日：2011-09-29

申请号：US13074513

申请日：2011-03-29

Applicant: Krishnan RAMU

Inventor： Krishnan RAMU

IPC: H02P6/14

CPC classification number: H02K1/14 ,  H02K3/18 ,  H02K2213/03 ,  H02P7/281

Abstract: An inverter for a permanent magnet brushless do machine, having a permanent magnet rotor and a set of stator windings, applies the full dc voltage provided to the inverter to each phase of the machine.

Abstract translation: 用于永磁无刷电机的逆变器具有永磁转子和一组定子绕组，将提供给逆变器的全直流电压施加到机器的每个相。

公开(公告)号：US20110193507A1

公开(公告)日：2011-08-11

申请号：US12672690

申请日：2008-08-13

Applicant: Krishnan Ramu

Inventor： Krishnan Ramu

IPC: H02P6/08 ,  H02P27/08

CPC classification number: H02P25/04 ,  H02P25/089 ,  H02P25/092 ,  H02P25/0925

Abstract: A method for controlling a multi-phase motor includes withholding energization of a first phase of the motor for a non-zero period when the first phase's dwell time begins. Energization of the first phase is activated upon the expiration of the non-zero period. Energization of the first phase is deactivated for the remainder of the dwell time at a deactivation time occurring before or at the expiration of the dwell time.

Abstract translation: 一种用于控制多相电动机的方法包括当第一阶段的停留时间开始时，使非电动机的第一相通电非零时间段。 第一阶段的通电在非零时期到期后被激活。 停留时间的剩余时间在第一阶段的通电在停留时间之前或期间停止时发生停用时间。

公开(公告)号：US07579734B2

公开(公告)日：2009-08-25

申请号：US10549800

申请日：2004-03-17

Applicant: Krishnan Ramu ,  Savio Nimal Lobo

Inventor： Krishnan Ramu ,  Savio Nimal Lobo

IPC: H02K17/42

CPC classification number: C12N13/00 ,  A61K9/0009 ,  C12M1/42 ,  C12M3/00 ,  C12M3/006 ,  C12M3/02 ,  C12M35/02 ,  C12M45/07 ,  C12N15/87 ,  H02K1/146 ,  H02K1/246 ,  H02K19/103

Abstract: A TPSRM may include a stator, having a plurality of poles and a ferromagnetic or iron back material, and a rotor having a plurality of poles and a ferromagnetic or iron back material. A current flowing through coils wound around a first set of the plurality of stator poles induces a flux flow through the first set of stator poles and portions of the stator back material during a first excitation phase. A current flowing through coils wound around a second set of the plurality of stator poles induces a flux flow through the second set of stator poles and portions of the stator back material during a second excitation phase. The numbers of stator and rotor poles for this TPSRM are selected such that substantially no flux reversal occurs in any part of the stator back material as a result of transitioning between the first and second excitation phases.

Abstract translation: TPSRM可以包括具有多个极和铁磁或铁背材料的定子，以及具有多个极和铁磁或铁背材料的转子。 在第一激励阶段期间，流过卷绕在第一组多个定子极上的线圈的电流在第一组定子极和定子背材料的部分引起磁通流。 在第二激励阶段期间，流过绕第二组定子极的线圈的电流在第二组定子极和定子背材料的一部分引起磁通流。 选择该TPSRM的定子和转子极数，使得在第一和第二激发相之间的转变的结果，基本上不会在定子背材料的任何部分发生磁通反转。