Compact Aero-Thermo Model Base Point Linear System Based State Estimator
    41.
    发明申请
    Compact Aero-Thermo Model Base Point Linear System Based State Estimator 审中-公开
    基于航空热模型的基点线性系统状态估计器

    公开(公告)号:US20150370233A1

    公开(公告)日:2015-12-24

    申请号:US14767995

    申请日:2014-03-14

    Abstract: Systems and methods for controlling a fluid based engineering system are disclosed. The systems and methods may include a model processor for generating a model output, the model processor including a set state module for setting dynamic states of the model processor, the dynamic states input to an open loop model based on the model operating mode. The model processor may further include an estimate state module for determining an estimated state of the model based on a prior state model output and the current state model of the open loop model, the estimate state module determining estimator gain associated with the current state model and applying the estimator gain to determine the estimated state of the model.

    Abstract translation: 公开了用于控制基于流体的工程系统的系统和方法。 系统和方法可以包括用于生成模型输出的模型处理器,模型处理器包括用于设置模型处理器的动态状态的设置状态模块,基于模型操作模式输入到开环模型的动态状态。 模型处理器还可以包括估计状态模块,用于基于先前状态模型输出和开环模型的当前状态模型来确定模型的估计状态,估计状态模块确定与当前状态模型相关联的估计器增益,以及 应用估计器增益来确定模型的估计状态。

    Model-Based Optimal Control For Stall Margin Limit Protection in an Aircraft Engine
    42.
    发明申请
    Model-Based Optimal Control For Stall Margin Limit Protection in an Aircraft Engine 有权
    基于模型的最优控制飞机发动机失速保护限制

    公开(公告)号:US20150345403A1

    公开(公告)日:2015-12-03

    申请号:US14623063

    申请日:2015-02-16

    Abstract: A control system for a gas turbine engine, a method for controlling a gas turbine engine, and a gas turbine engine are disclosed. The control system may include a hybrid model predictive control (HMPC) module, the HMPC module receiving power goals and operability limits and determining a multi-variable control command for the gas turbine engine, the multi-variable control command determined using the power goals, the operability limits, actuator goals, sensor signals, and synthesis signals. The control system may further include system sensors for determining the sensor signals and a non-linear engine model for estimating corrected speed signals and synthesis signals using the sensor signals, the synthesis signals including an estimated stall margin remaining. The control system may further include a goal generation module for determining actuator goals for the HMPC module using the corrected speed signals and an actuator for controlling the gas turbine engine based on the multivariable control command.

    Abstract translation: 公开了一种燃气轮机的控制系统,燃气轮机的控制方法和燃气轮机。 控制系统可以包括混合模型预测控制(HMPC)模块,HMPC模块接收功率目标和可操作性限制,并且确定用于燃气涡轮发动机的多变量控制命令,使用功率目标确定的多变量控制命令, 可操作性限制,执行器目标,传感器信号和合成信号。 控制系统还可以包括用于确定传感器信号的系统传感器和用于使用传感器信号估计校正的速度信号和合成信号的非线性发动机模型,所述合成信号包括剩余的估计失速余量。 控制系统还可以包括目标产生模块,用于使用校正的速度信号确定HMPC模块的致动器目标,以及基于多变量控制命令来控制燃气涡轮发动机的致动器。

    Cascaded Multi-Variable Control System for a Turboshaft Engine
    43.
    发明申请
    Cascaded Multi-Variable Control System for a Turboshaft Engine 审中-公开
    用于涡轮轴发动机的级联多变量控制系统

    公开(公告)号:US20150113996A1

    公开(公告)日:2015-04-30

    申请号:US14282544

    申请日:2014-05-20

    CPC classification number: F02C9/54 F02C9/28 F05D2220/329 F05D2270/052

    Abstract: A control system for a gas turbine engine is disclosed. The control system may include a computer processor. The control system may also include an outer loop control module programmed into the computer processor to determine a torque request based at least in part on a real-time collective lever angle command. The control system may also include an inner loop control module programmed into the computer processor to receive the torque request from the outer loop control module, to determine fuel flow and inlet guide vane schedules based at least in part on the received torque request, and to send signals to a gas generator of the gas turbine engine in order to control the gas generator according to the determined fuel flow and inlet guide vane schedules.

    Abstract translation: 公开了一种用于燃气涡轮发动机的控制系统。 控制系统可以包括计算机处理器。 控制系统还可以包括被编程到计算机处理器中以至少部分地基于实时集体杠杆角度命令来确定扭矩请求的外环控制模块。 控制系统还可以包括内部循环控制模块,该内部循环控制模块被编程到计算机处理器中以接收来自外部循环控制模块的扭矩请求,以至少部分地基于所接收的扭矩请求来确定燃料流量和入口引导叶片计划,并且 将信号发送到燃气涡轮发动机的气体发生器,以便根据确定的燃料流量和入口引导叶片时间表来控制气体发生器。

    REAL TIME MODEL BASED COMPRESSOR CONTROL
    44.
    发明申请
    REAL TIME MODEL BASED COMPRESSOR CONTROL 有权
    基于实时模型的压缩机控制

    公开(公告)号:US20140093350A1

    公开(公告)日:2014-04-03

    申请号:US13631436

    申请日:2012-09-28

    Abstract: A gas turbine engine comprises a compressor, a combustor, a turbine, and an electronic engine control system. The compressor, combustor, and turbine are arranged in flow series. The electronic engine control system is configured to generate a real-time estimate of compressor stall margin from an engine model, and command engine actuators to correct for the difference between the real time estimate of compressor stall margin and a required stall margin.

    Abstract translation: 燃气涡轮发动机包括压缩机,燃烧器,涡轮机和电子发动机控制系统。 压缩机,燃烧器和涡轮机以流动系列布置。 电子发动机控制系统被配置为从发动机模型生成压缩机失速余量的实时估计,以及指令发动机执行器,以校正压缩机失速余量的实时估计与所需失速余量之间的差异。

    Adaptive model predictive control for hybrid electric propulsion

    公开(公告)号:US11555455B2

    公开(公告)日:2023-01-17

    申请号:US16783512

    申请日:2020-02-06

    Abstract: A hybrid electric propulsion system includes a gas turbine engine having at least one compressor section and at least one turbine section operably coupled to a shaft. The hybrid electric propulsion system includes an electric motor configured to augment rotational power of the shaft of the gas turbine engine. A controller is operable to determine an estimate of hybrid electric propulsion system parameters based on a composite system model and sensor data, determine a model predictive control state and a prediction based on the hybrid electric propulsion system parameters and the composite system model, determine a model predictive control optimization for a plurality of hybrid electric system control effectors based on the model predictive control state and the prediction using a plurality of reduced-order partitions of the composite system model, and actuate the hybrid electric system control effectors based on the model predictive control optimization.

    On-board estimator sensor drift detection in engine control

    公开(公告)号:US11319834B2

    公开(公告)日:2022-05-03

    申请号:US15879849

    申请日:2018-01-25

    Abstract: An engine control system includes an electronic hardware engine controller in signal communication with at least one engine sensor, which measures an engine operating parameter (Ycrtr_t). The engine controller generates a synthesized engine operating parameter (Ycrtr) calculates an error (ERRcrtr) between the engine operating parameter (Ycrtr_t) and the synthesized engine operating parameter (Ycrtr). The engine controller further determines a corrector error parameter (Xcrtr) and determines a faulty sensor among the at least one engine sensor based on a comparison between the error value (ERRcrtr) and the corrector error parameter (Xcrtr).

    ADAPTIVE MODEL PREDICTIVE CONTROL FOR HYBRID ELECTRIC PROPULSION

    公开(公告)号:US20200347787A1

    公开(公告)日:2020-11-05

    申请号:US16783512

    申请日:2020-02-06

    Abstract: A hybrid electric propulsion system includes a gas turbine engine having at least one compressor section and at least one turbine section operably coupled to a shaft. The hybrid electric propulsion system includes an electric motor configured to augment rotational power of the shaft of the gas turbine engine. A controller is operable to determine an estimate of hybrid electric propulsion system parameters based on a composite system model and sensor data, determine a model predictive control state and a prediction based on the hybrid electric propulsion system parameters and the composite system model, determine a model predictive control optimization for a plurality of hybrid electric system control effectors based on the model predictive control state and the prediction using a plurality of reduced-order partitions of the composite system model, and actuate the hybrid electric system control effectors based on the model predictive control optimization.

    MODEL PREDICTIVE CONTROL SUB-SYSTEM HYDRAULIC FLOW MANAGEMENT

    公开(公告)号:US20200123927A1

    公开(公告)日:2020-04-23

    申请号:US16163292

    申请日:2018-10-17

    Abstract: A system for controlling a plurality of hydraulic effectors operably connected to an engine to control engine parameters. The system also includes a plurality of sensors operably connected to measure a state or parameter of each effector, a pump configured to supply fluid to the plurality of effectors, and a controller operably connected to the plurality of sensors, the plurality of effectors, and the pump. The controller executes a method for an adaptive model-based control for controlling each effector, The method includes receiving a request indicative of a desired state for each effector, receiving a weighting associated each request, obtaining information about a current state of each effector, and updating an adaptive model based control (MBC) based upon the information. The method also includes generating a control command for an effector based upon the adaptive MBC and commanding the effector based upon the control command.

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