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公开(公告)号：US07680234B2
公开(公告)日：2010-03-16
申请号：US10785837
申请日：2004-02-24
IPC分类号： H03D3/24
CPC分类号： H03L7/08 , H02M7/53806
摘要： A phase locked loop (PLL) circuit provides ac devices, such as power inverters and power measurement devices, with a reliable means for synchronizing to ac electrical systems. In an exemplary embodiment, the PLL circuit is configured for operation with single-phase electrical systems and offers substantial noise immunity by basing its locking operations on measured fundamental components, i.e., measured x-y phasors, of the electrical system voltage. Further, with its phasor-based locking operations and with its timer/counter-based operation, the PLL circuit can be implemented partly or wholly in digital processing logic.
摘要翻译： 锁相环（PLL）电路提供诸如电力逆变器和功率测量装置之类的交流装置，具有用于与交流电系统同步的可靠装置。 在示例性实施例中，PLL电路被配置为使用单相电气系统进行操作，并且通过将其锁定操作基于测量的电气系统电压的基本分量即测量的x-y相量来提供实质的抗噪声能力。 此外，通过其基于相量的锁定操作和其基于定时器/计数器的操作，PLL电路可以部分地或全部地实现在数字处理逻辑中。
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公开(公告)号：US07015597B2
公开(公告)日：2006-03-21
申请号：US10662004
申请日：2003-09-11
IPC分类号： H02J3/16
CPC分类号： H02M7/53803 , H02J3/1835 , H02J3/48 , H02J2003/388 , Y02E40/30 , Y10T307/406 , Y10T307/544 , Y10T307/735
摘要： A power inverter includes a regulator circuit that controls real and reactive power output by the inverter. The regulator measures real and reactive output power by calculating x-phasor components of the inverter's voltage and current output waveforms. Phasor calculation can be adapted for one or more pairs of single-phase voltages and currents. Determining the fundamental in-phase and quadrature components of output voltage and current reduces computational complexity by permitting the regulator to perform its power control processing largely in a dc signal domain, and enables separate real and reactive power control. The power inverter can include islanding detection logic, which exploits the ability to separately control reactive power. Exemplary islanding detection logic is based on determining whether changing the amount of reactive power output by the inverter induces an output frequency shift.
摘要翻译： 电力逆变器包括调节器电路，其控制由逆变器输出的实际和无功功率。 调节器通过计算逆变器电压和电流输出波形的x相量分量来测量实际和无功输出功率。 相量计算可以适应一对或多对单相电压和电流。 确定输出电压和电流的基本同相和正交分量通过允许调节器在大直径信号域中执行其功率控制处理来降低计算复杂度，并且实现单独的有功和无功功率控制。 功率逆变器可以包括孤岛检测逻辑，其利用单独控制无功功率的能力。 示例性孤岛检测逻辑基于确定是否改变由逆变器输出的无功功率的量引起输出频移。
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公开(公告)号：US07183667B2
公开(公告)日：2007-02-27
申请号：US10741905
申请日：2003-12-19
IPC分类号： H02J3/16
CPC分类号： H02J3/42 , H02M7/53832 , H02M7/5395 , H02M2001/0012 , Y10T307/313 , Y10T307/406 , Y10T307/544
摘要： A control circuit synchronizes an ac power inverter to the mains voltage of an electrical grid by matching the fundamental phasor components of the inverter's output voltage to the fundamental phasor components of the mains voltage. Once such matching meets an acceptable voltage error threshold, the control circuit initiates contactor closure, verifies contactor closure, and then initiates a changeover from voltage-mode control used in synchronization operations to a current-mode control of the inverter's output. The control circuit provides corresponding disconnection control when disconnection from the grid is desired, wherein the regulated power of the inverter is ramped down in controlled fashion until it reaches a lower threshold whereupon contactor opening is initiated. Once contactor opening is verified, regulation control reverts to stand-alone voltage mode control or to shut down, as needed or desired.
摘要翻译： 控制电路通过将逆变器的输出电压的基本相量分量与电源电压的基本相量分量相匹配来将交流功率逆变器与电网的电源电压同步。 一旦这种匹配满足可接受的电压误差阈值，控制电路启动接触器闭合，验证接触器闭合，然后启动从同步操作中使用的电压模式控制切换到变频器输出的电流模式控制。 当期望从电网断开时，控制电路提供对应的断开控制，其中逆变器的调节功率以受控的方式下降，直到其达到较低的阈值，从而开启接触器的开启。 一旦验证接触器打开，调节控制就会根据需要或需要恢复到独立的电压模式控制或关闭。
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4.发明授权公开(公告)号：US08744630B2
公开(公告)日：2014-06-03
申请号：US12981740
申请日：2010-12-30
CPC分类号： G05B15/02
摘要： A system and method of measuring atmospheric parameters in an enclosed space using instrumented objects having measurement sensors. The instrumented objects travel through the space randomly or along defined flight paths. As the instrumented objects travel through the space, the measurement sensors measure atmospheric parameters and store the measurements to a memory. The devices periodically upload the measured atmospheric parameters to a controller circuit. By using self-propelled objects to carry measurement sensors, the system and method disclosed herein allow for periodically sampling atmospheric parameters in the interior of an enclosed space at a number of locations greater than the number of measurement devices employed. With data points taken from various locations within a volume of an enclosed space, the system and method can realize a more efficient utilization of energy by adjusting mechanical controls of an HVAC system or a ventilation system, for example.
摘要翻译： 使用具有测量传感器的仪器对象测量封闭空间中的大气参数的系统和方法。 仪器对象随机或沿着定义的飞行路径行进。 随着仪器对象行进通过该空间，测量传感器测量大气参数并将测量值存储到存储器中。 设备周期性地将测量的大气参数上传到控制器电路。 通过使用自推进物体来承载测量传感器，本文公开的系统和方法允许在大于所使用的测量装置的数量的位置的数量的位置周期性地在封闭空间的内部采样大气参数。 利用从封闭空间体积内的各个位置获取的数据点，例如，通过调整HVAC系统或通风系统的机械控制，该系统和方法可以实现更有效地利用能量。
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5.发明申请公开(公告)号：US20120173026A1
公开(公告)日：2012-07-05
申请号：US12981740
申请日：2010-12-30
CPC分类号： G05B15/02
摘要： A system and method of measuring atmospheric parameters in an enclosed space using instrumented objects having measurement sensors. The instrumented objects travel through the space randomly or along defined flight paths. As the instrumented objects travel through the space, the measurement sensors measure atmospheric parameters and store the measurements to a memory. The devices periodically upload the measured atmospheric parameters to a controller circuit. By using self-propelled objects to carry measurement sensors, the system and method disclosed herein allow for periodically sampling atmospheric parameters in the interior of an enclosed space at a number of locations greater than the number of measurement devices employed. With data points taken from various locations within a volume of an enclosed space, the system and method can realize a more efficient utilization of energy by adjusting mechanical controls of an HVAC system or a ventilation system, for example.
摘要翻译： 使用具有测量传感器的仪器对象测量封闭空间中的大气参数的系统和方法。 仪器对象随机或沿着定义的飞行路径行进。 随着仪器对象行进通过该空间，测量传感器测量大气参数并将测量值存储到存储器中。 设备周期性地将测量的大气参数上传到控制器电路。 通过使用自推进物体来承载测量传感器，本文公开的系统和方法允许在大于所使用的测量装置的数量的位置的数量的位置周期性地在封闭空间的内部采样大气参数。 利用从封闭空间体积内的各个位置取得的数据点，例如，通过调整HVAC系统或通风系统的机械控制，该系统和方法可以实现更有效地利用能量。
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6.发明授权Devices and methods for determining the amount of individual usage of a shared commodity 有权用于确定共享商品的个人使用量的设备和方法公开(公告)号：US07766231B2
公开(公告)日：2010-08-03
申请号：US11166820
申请日：2005-06-24
CPC分类号： G06Q30/04 , G01D4/006 , G06Q50/06 , Y02B90/243 , Y02B90/245 , Y04S20/325 , Y04S20/40
摘要： Devices and methods of commodity usage monitoring determine the amount of commodity used by individual elements of multi-element systems having a common source. An amount of commodity drawn from the source by all the users is determined. A user-state that indicates use of the commodity by each user is determined. Individual user consumption of the commodity for each of the users is determined using repeated determinations of the amount of the commodity and the user-state, for a number of repetitions greater than or equal to the number of users. Determining individual consumption can be performed using minimum least square estimation, singular value decomposition, discriminant function analysis, or other computational or analytical solution method. Duration and consumption information can be used to calculate the total amount of the commodity consumed by the particular user. Useful commodities include, but are not limited to, gas, electricity, mechanical, pneumatic, hydraulic, and water.
摘要翻译： 商品使用监控的装置和方法确定具有共同来源的多元件系统的各个元件使用的商品的数量。 确定所有用户从源头抽取的商品数量。 确定由用户指示使用商品的用户状态。 对于大于或等于用户数量的重复次数，通过重复确定商品数量和用户状态来确定每个用户的商品的个人用户消费。 可以使用最小二乘估计，奇异值分解，判别函数分析或其他计算或分析解法来确定个体消费。 持续时间和消费信息可用于计算特定用户消费的商品总量。 有用的商品包括但不限于天然气，电力，机械，气动，液压和水。
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7.发明授权Automatic fine tuning of rotor time constant in field-oriented elevator motor drive 失效现场定向电梯电机驱动中转子时间常数的自动微调
公开(公告)号：US5896954A
公开(公告)日：1999-04-27
申请号：US996263
申请日：1997-12-22
CPC分类号： B66B1/30 , B66B19/007
摘要： An elevator controller 7 is provided with logic 48 which automatically calculates a motor time constant (.tau..sub.R) for a field-oriented current regulator/motor drive 20 by running the elevator up and down while computing an average of a sign-adjusted error signal DXD.sub.ERR for the up/down run and while varying .tau..sub.R and determining the value of .tau..sub.R at which the average of DXD.sub.ERR for the up and down runs equals zero within a predetermined tolerance. Alternatively, instead of computing the average of DXD.sub.ERR, a single elevator run may be used to determine the value of .tau..sub.R at which DXD.sub.ERR equals zero within a predetermined tolerance.
摘要翻译： 电梯控制器7设置有逻辑48，其通过在计算平均值的符号调整误差信号DXDERR的同时上下运行电梯来自动计算面向磁场的调节器/电动机驱动器20的电动机时间常数（τR） 用于上/下运行，同时改变τR并确定在预定公差内上下运行的DXDERR的平均值等于零的τR的值。 或者，代替计算DXDERR的平均值，可以使用单个电梯运行来确定在预定公差内DXDERR等于零的τR的值。
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8.发明授权Automatic calibration of current regulator control compensation for an elevator motor drive with locked rotor 失效自动校准具有锁定转子的电梯电机驱动器的电流调节器控制补偿
公开(公告)号：US5880415A
公开(公告)日：1999-03-09
申请号：US996234
申请日：1997-12-22
CPC分类号： B66B1/30 , H02P21/16 , B66B19/007
摘要： An elevator controller 7 is provided with logic 48 which automatically calculates a proportional gain (K.sub.P), an integral gain (K.sub.I), and an overall gain (Gc) for a current regulator/motor drive 20 by injecting a sinewave having a predetermined test frequency (F.sub.OL, F.sub.CL) into a reference current I.sub.qREF, measuring the open and closed loop transfer functions and adjusting K.sub.P and K.sub.I until the desired open and closed loop responses are achieved with Gc set based on F.sub.OL. First, with the test frequency at F.sub.OL, K.sub.I is set to zero and K.sub.P is varied until the open loop gain response at F.sub.OL is equal to one. Then, with the test frequency at F.sub.CL and K.sub.P set per the previous step, K.sub.I is varied until the closed loop gain response at F.sub.CL is equal to one. The procedure is performed with the rotor locked.
摘要翻译： 电梯控制器7设置有逻辑48，其通过注入具有预定测试频率的正弦波来自动计算电流调节器/电动机驱动器20的比例增益（KP），积分增益（KI）和总增益（Gc） （FOL，FCL）转换为参考电流IqREF，测量开环和闭环传递函数，并调整KP和KI，直到基于FOL的Gc设定达到所需的开环和闭环响应。 首先，测试频率为FOL，KI设置为零，KP变化，直到FOL处的开环增益响应等于1。 然后，根据前一步骤的FCL和KP设置的测试频率，KI变化，直到FCL处的闭环增益响应等于1。 在转子锁定的情况下执行该过程。
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9.发明授权Method of automatically detecting an anomalous condition relative to a nominal operating condition in a vapor compression system 有权在蒸气压缩系统中自动检测相对于标称操作条件的异常状态的方法公开(公告)号：US08800309B2
公开(公告)日：2014-08-12
申请号：US12636929
申请日：2009-12-14
CPC分类号： F25B49/005 , F25B2500/19 , F25B2700/151 , F25B2700/21161 , F25B2700/21172 , F25B2700/21173
摘要： A method of automatically detecting an anomalous condition relative to a nominal operating condition in a vapor compression system. An expected input power function in the form of a hyperplane is calculated based on three temperature readings: an intake temperature from an intake area of the condenser unit, a return temperature from an intake area of an evaporator unit, and a supply temperature from a supply output area of the evaporator unit. The function produces an estimate of the expected input power consumed by the compressor unit, and this expected input power is compared with an actual input power measured from the compressor unit. If the expected input power deviates from the measured input power by more than a predetermined tolerance, an indication is stored and communicated that an anomalous condition, such as a refrigerant loss, condenser unit fouling, or a malfunctioning fan, exists in the vapor compression system.
摘要翻译： 一种在蒸气压缩系统中自动检测相对于标称操作条件的异常状态的方法。 以超平面形式的预期输入功率功能是基于三个温度读数计算的：来自冷凝器单元的进气区域的进气温度，来自蒸发器单元的进气区域的返回温度和来自供应器的供应温度 蒸发器单元的输出面积。 该功能产生对压缩机单元消耗的预期输入功率的估计，并将该预期输入功率与从压缩机单元测量的实际输入功率进行比较。 如果预期输入功率偏离测量的输入功率超过预定公差，则指示被存储和传达，在蒸汽压缩系统中存在诸如制冷剂损失，冷凝器单元结垢或故障风扇之类的异常状况 。
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公开(公告)号：US06452360B1
公开(公告)日：2002-09-17
申请号：US09454048
申请日：1999-12-03
申请人： Roy Stephen Colby
发明人： Roy Stephen Colby
IPC分类号： H02P528
CPC分类号： H02P21/16 , H02P2207/01
摘要： A method for calculating a first and second gain for a controller circuit for a plant is disclosed. The method comprises the steps of providing a reference model circuit with desired circuit characteristics, providing a reference model adaptive circuit, setting the second gain to zero, supplying a spectrally rich input signal to the reference model and to the controller circuit, determining the first gain by continuously adjusting the first gain until an output of the reference model and an output of the controller circuit are substantially equal, setting the first gain to the previously determined value, determining the second gain by continuously adjusting the second gain until an output of the reference model and an output of the controller circuit are substantially equal and setting the second gain to the previously determined value.
摘要翻译： 公开了一种用于计算植物的控制器电路的第一和第二增益的方法。 该方法包括以下步骤：提供具有期望电路特性的参考模型电路，提供参考模型自适应电路，将第二增益设置为零，将频谱丰富的输入信号提供给参考模型和控制器电路，确定第一增益 通过连续调整第一增益直到参考模型的输出和控制器电路的输出基本相等，将第一增益设置为先前确定的值，通过连续调整第二增益来确定第二增益，直到参考的输出 模型和控制器电路的输出基本相等，并将第二增益设置为先前确定的值。
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