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    • 71. 发明授权
    • Methods and apparatus for simulating resistive loads
    • 用于模拟电阻负载的方法和装置
    • US08026673B2
    • 2011-09-27
    • US11836568
    • 2007-08-09
    • Ihor A. Lys
    • Ihor A. Lys
    • G05F1/00
    • H05B33/0815H05B33/0824
    • Methods and apparatus for simulating resistive loads, and facilitating series, parallel, and/or series-parallel connections of multiple loads to draw operating power. Current-to-voltage characteristics of loads are altered in a predetermined manner so as to facilitate a predictable and/or desirable behavior of multiple loads drawing power from a power source. Exemplary loads include LED-based light sources and LED-based lighting units. Altered current-to-voltage characteristics may cause a load to appear as a substantially linear or resistive element to the power source, at least over some operating range. In connections of multiple such loads, the voltage across each load is relatively more predictable. In one example, a series connection of multiple loads with altered current-to-voltage characteristics may be operated from a line voltage without requiring a transformer.
    • 用于模拟电阻负载的方法和装置,并且促进多个负载的串联,并联和/或串联并联连接以绘制操作功率。 负载的电流 - 电压特性以预定的方式改变,以便于从电源引出功率的多个负载的可预测和/或期望的行为。 示例性负载包括基于LED的光源和基于LED的照明单元。 改变的电流 - 电压特性可能导致负载至少在一些工作范围内作为基本线性或电阻元件出现在电源上。 在多个这样的负载的连接中,每个负载上的电压是相对更可预测的。 在一个示例中,具有改变的电流 - 电压特性的多个负载的串联连接可以从线路电压操作而不需要变压器。
    • 72. 发明授权
    • LED power control methods and apparatus
    • LED电源控制方法和装置
    • US07737643B2
    • 2010-06-15
    • US11780574
    • 2007-07-20
    • Ihor A. Lys
    • Ihor A. Lys
    • H05B37/02
    • H05B33/0815F21S45/43F21S45/47H02M1/4225H02M1/425H02M3/155H02M3/156H02M3/157H02M3/33561H02M2001/0012H02M2001/0019H02M2001/008H02M2001/4291H05B33/0803H05B33/0818H05B33/0842H05B33/0848H05B33/0866Y02B70/126
    • Methods and apparatus for providing and controlling power to loads including one or more LEDs. In one example, a controlled predetermined power is provided to a load without requiring any feedback information from the load (i.e., without monitoring a load voltage and/or load current). In another example, a “feed-forward” power driver for an LED-based light source combines the functionality of a DC-DC converter and a light source controller, and is configured to control the intensity of light generated by the light source based on modulating the average power delivered to the light source in a given time period, without monitoring and/or regulating the voltage or current provided to the light source. In various examples, significantly streamlined circuits having fewer components, higher overall power efficiencies, and smaller space requirements are realized. Based on various power driver configurations, lighting apparatus incorporating one or more power drivers for one or more LED-based loads may be implemented, and multiple such lighting apparatus may be coupled together to form a lighting network in which operating power is efficiently provided throughout the network.
    • 用于为包括一个或多个LED的负载提供和控制功率的方法和装置。 在一个示例中,将受控的预定功率提供给负载,而不需要来自负载的任何反馈信息(即,不监视负载电压和/或负载电流)。 在另一示例中,用于基于LED的光源的“前馈”功率驱动器组合DC-DC转换器和光源控制器的功能,并且被配置为基于以下方式来控制由光源产生的光的强度: 调制在给定时间段内递送到光源的平均功率,而不监视和/或调节提供给光源的电压或电流。 在各种示例中,实现了具有更少组件,更高的总体功率效率和更小的空间要求的显着简化的电路。 基于各种功率驱动器配置,可以实现结合用于一个或多个基于LED的负载的一个或多个功率驱动器的照明装置,并且可以将多个这样的照明装置耦合在一起以形成照明网络,其中在所有照明网络中有效地提供工作功率 网络。
    • 75. 发明授权
    • LED-based lighting network power control methods and apparatus
    • 基于LED的照明网络功率控制方法和装置
    • US07233115B2
    • 2007-06-19
    • US11079928
    • 2005-03-14
    • Ihor A. Lys
    • Ihor A. Lys
    • G05F1/00
    • H05B33/0815F21S45/43F21S45/47H02M1/4225H02M1/425H02M3/155H02M3/156H02M3/157H02M3/33561H02M2001/0012H02M2001/0019H02M2001/008H02M2001/4291H05B33/0803H05B33/0818H05B33/0842H05B33/0848H05B33/0866Y02B70/126
    • Multiple lighting apparatus coupled together to form a lighting network, in which operating power is efficiently provided throughout the network based on a distributed DC voltage or a distributed AC voltage. Based on various power driver configurations, each lighting apparatus incorporates one or more power drivers for one or more LED-based loads. In one example, a controlled predetermined power is provided to a load without requiring any feedback information from the load (i.e., without monitoring a load voltage and/or load current). In another example, a “feed-forward” power driver for an LED-based light sources combines the functionality of a DC-DC converter and a light source controller, and is configured to control the intensity of light generated by the light source based on modulating the average power delivered to the light source in a given time period, without monitoring and/or regulating the voltage or current provided to the light source. In various examples, significantly streamlined circuits having fewer components, higher overall power efficiencies, and smaller space requirements are realized.
    • 耦合在一起以形成照明网络的多个照明装置,其中基于分布式DC电压或分布式AC电压在整个网络中有效地提供工作功率。 基于各种功率驱动器配置,每个照明装置包括用于一个或多个基于LED的负载的一个或多个功率驱动器。 在一个示例中,将受控的预定功率提供给负载,而不需要来自负载的任何反馈信息(即,不监视负载电压和/或负载电流)。 在另一示例中,用于基于LED的光源的“前馈”功率驱动器组合DC-DC转换器和光源控制器的功能性,并且被配置为基于光源控制由光源产生的光的强度 调制在给定时间段内递送到光源的平均功率,而不监视和/或调节提供给光源的电压或电流。 在各种示例中,实现了具有更少组件,更高的总体功率效率和更小的空间要求的显着简化的电路。
    • 76. 发明授权
    • Power control methods and apparatus for variable loads
    • 用于可变负载的功率控制方法和装置
    • US07542257B2
    • 2009-06-02
    • US11225377
    • 2005-09-12
    • Kevin McCormickIhor A. Lys
    • Kevin McCormickIhor A. Lys
    • H02H3/20H02H9/04H02H3/00
    • H05B33/0815H02M1/4258H02M2001/0032H05B33/0818Y02B20/346Y02B70/126Y02B70/16
    • A switching power supply is modified to mitigate potentially adverse effects of near zero loads on power delivery. In one example, a processor-controlled dummy load is coupled to the power supply output in addition to an actual load. The dummy load is controlled so that at least some minimal load is presented to the power supply when the actual load is drawing low or near zero power. In another example, the feedback loop of the switching power supply is modified to mitigate the effects of a potential overvoltage condition in a bias supply from which the switch controller of the power supply draws power, which condition may occur at low or near zero load power. A lighting system may include a switching power supply thusly modified to provide power to a variable load that includes one or more LED-based lighting apparatus.
    • 修改开关电源以减轻近零负载对电力输送的潜在不利影响。 在一个示例中,处理器控制的虚拟负载除了实际负载之外还耦合到电源输出。 控制虚拟负载,使得当实际负载拉低或接近零功率时,至少一些最小负载被呈现给电源。 在另一示例中,修改开关电源的反馈回路以减轻电源的开关控制器从其中获取电力的偏置电源中的电位过电压状况的影响,该状态可能在低或接近零负载功率下发生 。 照明系统可以包括由此被修改以向包括一个或多个基于LED的照明装置的可变负载提供电力的开关电源。
    • 77. 发明授权
    • Power control methods and apparatus
    • 电源控制方法和装置
    • US07459864B2
    • 2008-12-02
    • US11079461
    • 2005-03-14
    • Ihor A. Lys
    • Ihor A. Lys
    • H05B37/02
    • H05B33/0815F21S45/43F21S45/47H02M1/4225H02M1/425H02M3/155H02M3/156H02M3/157H02M3/33561H02M2001/0012H02M2001/0019H02M2001/008H02M2001/4291H05B33/0803H05B33/0818H05B33/0842H05B33/0848H05B33/0866Y02B70/126
    • Methods and apparatus for providing and controlling power to at least some types of loads. In one example, a controlled predetermined power is provided to a load without requiring any feedback information from the load (i.e., without monitoring a load voltage and/or load current). In another example, a “feed-forward” power driver for an LED-based light source combines the functionality of a DC-DC converter and a light source controller, and is configured to control the intensity of light generated by the light source based on modulating the average power delivered to the light source in a given time period, without monitoring and/or regulating the voltage or current provided to the light source. In various examples, significantly streamlined circuits having fewer components, higher overall power efficiencies, and smaller space requirements are realized. Based on various power driver configurations, lighting apparatus incorporating one or more power drivers for one or more LED-based loads may be implemented, and multiple such lighting apparatus may be coupled together to form a lighting network in which operating power is efficiently provided throughout the network.
    • 用于向至少一些类型的负载提供和控制功率的方法和装置。 在一个示例中,将受控的预定功率提供给负载,而不需要来自负载的任何反馈信息(即,不监视负载电压和/或负载电流)。 在另一示例中,用于基于LED的光源的“前馈”功率驱动器组合DC-DC转换器和光源控制器的功能,并且被配置为基于以下方式来控制由光源产生的光的强度: 调制在给定时间段内递送到光源的平均功率,而不监视和/或调节提供给光源的电压或电流。 在各种示例中,实现了具有更少组件,更高的总体功率效率和更小的空间要求的显着简化的电路。 基于各种功率驱动器配置,可以实现结合用于一个或多个基于LED的负载的一个或多个功率驱动器的照明装置,并且可以将多个这样的照明装置耦合在一起以形成照明网络,其中在所有照明网络中有效地提供工作功率 网络。
    • 79. 发明授权
    • Power factor correction control methods and apparatus
    • 功率因数校正控制方法及装置
    • US07358706B2
    • 2008-04-15
    • US11079905
    • 2005-03-14
    • Ihor A. Lys
    • Ihor A. Lys
    • G05F1/10G05F1/40
    • H05B33/0815F21S45/43F21S45/47H02M1/4225H02M1/425H02M3/155H02M3/156H02M3/157H02M3/33561H02M2001/0012H02M2001/0019H02M2001/008H02M2001/4291H05B33/0803H05B33/0818H05B33/0842H05B33/0848H05B33/0866Y02B70/126
    • Power factor correction control methods and apparatus based on knowing in advance some information relating to anticipated load conditions (e.g., a desired power to be provided to a load). Based on “feeding-forward” known information about anticipated load conditions, power factor correction control loop response is significantly improved, particularly in situations in which the load power traverses a wide range in a short time period (e.g., load full off to load full on, or vice versa). As a result of improved control loop stability, smaller circuit components may be employed based on more predictable expectations for signal values, thereby reducing the cost and/or size of the implemented circuits. In one example, a processor controls both a feed-forward power factor correction apparatus and a feed-forward power driver for an LED-based light source to provide an efficient source of radiation using significantly streamlined circuits having fewer components and smaller space requirements.
    • 基于事先知道与预期负载条件相关的信息(例如,要提供给负载的期望功率)的功率因数校正控制方法和装置。 基于关于预期负载条件的“前馈”已知信息,功率因数校正控制回路响应得到显着改善,特别是在负载功率在短时间段内横穿宽范围(例如,负载满载到满载 或反之亦然)。 作为改进的控制环路稳定性的结果,可以基于对信号值的更可预测的期望来采用较小的电路部件,从而降低所实施的电路的成本和/或尺寸。 在一个示例中,处理器控制前馈功率因数校正装置和用于基于LED的光源的前馈功率驱动器,以使用具有较少组件和较小空间要求的显着流线型的电路来提供有效的辐射源。