-
公开(公告)号：US10961922B2
公开(公告)日：2021-03-30
申请号：US15945556
申请日：2018-04-04
摘要： A power turbine control system for a gas turbine engine may comprise a controller comprising one or more processors in communication with the gas turbine engine. The processors may comprise an engine control module configured to receive a torque request signal and generate a torque achieved signal. A rate of change of power turbine speed estimation module may generate an estimated rate of change of power turbine speed signal. A dynamic inversion power turbine governor module may generate the torque request signal based on the torque achieved signal and estimated rate of change of power turbine speed signal.
-
公开(公告)号：US20200025130A1
公开(公告)日：2020-01-23
申请号：US16377488
申请日：2019-04-08
发明人： Chaohong Cai , Timothy J. Crowley , Mark E. Lacour , David Lei Ma
摘要： 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 nozzle scheduler for determining an exhaust nozzle position goal based on a nozzle schedule of exhaust nozzle positions related to flight conditions. The control system may further include a control module for determining a control command for the gas turbine engine. The control command may include, at least, a fuel flow command and an exhaust nozzle position command and the control command may be based on, at least, the exhaust nozzle position goal and an estimated thrust value. The control system may further include an actuator for controlling the gas turbine engine based on the control command.
-
公开(公告)号：US10253725B2
公开(公告)日：2019-04-09
申请号：US14921019
申请日：2015-10-23
发明人： Chaohong Cai , Timothy J. Crowley , Mark E. Lacour , David L. Ma
摘要： 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 nozzle scheduler for determining an exhaust nozzle position goal based on a nozzle schedule of exhaust nozzle positions related to flight conditions. The control system may further include a control module for determining a control command for the gas turbine engine. The control command may include, at least, a fuel flow command and an exhaust nozzle position command and the control command may be based on, at least, the exhaust nozzle position goal and an estimated thrust value. The control system may further include an actuator for controlling the gas turbine engine based on the control command.
-
4.发明授权Twin-engine rotorcrafts and load power sharing control systems thereof and methods for load power sharing control 有权双发动机旋翼飞机及其负载功率共享控制系统及负载功率共享控制方法公开(公告)号：US09500138B1
公开(公告)日：2016-11-22
申请号：US14828367
申请日：2015-08-17
发明人： Chaohong Cai , Michael H. Levesque , Richard P. Meisner , Timothy J. Crowley , Joshua Adams , Timothy J. Gaudet
CPC分类号： F02C9/54 , B64C27/12 , B64D31/12 , F02C9/42 , F05D2220/329 , F05D2270/052 , F05D2270/301 , F05D2270/3032 , F05D2270/44
摘要： A load power sharing control system for a twin-engine rotorcraft having a first gas turbine engine and a second gas turbine engine is provided.
摘要翻译： 提供了一种具有第一燃气涡轮发动机和第二燃气涡轮发动机的双发旋翼航空器的负载功率共享控制系统。
-
公开(公告)号：US20160208639A1
公开(公告)日：2016-07-21
申请号：US14599921
申请日：2015-01-19
发明人： Chaohong Cai
IPC分类号： F01D21/00 , G05B19/042 , G05B15/02 , F01D17/10 , F01D17/06
CPC分类号： F01D21/003 , F01D17/06 , F01D17/105 , F05D2220/32 , F05D2240/12 , F05D2270/304 , F05D2270/335 , F05D2270/52 , F05D2270/62 , G05B13/048
摘要： A control system for a gas turbine engine including a power turbine is disclosed. The control system may include a control module to receive engine operating goals and an estimated current engine state, wherein the estimated current engine state is produced by a model-based estimation module using a bandwidth signal produced by an adaptation logic module. The control module is operative to determine fuel flow, inlet guide vane schedules and stability bleed schedules based at least in part on the received engine operating goals and the estimated current engine state, 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, inlet guide vane schedules and stability bleed schedules.
摘要翻译： 公开了一种用于包括动力涡轮机的燃气涡轮发动机的控制系统。 控制系统可以包括用于接收发动机操作目标和估计的当前发动机状态的控制模块，其中估计的当前发动机状态由使用由适配逻辑模块产生的带宽信号的基于模型的估计模块产生。 控制模块可操作以至少部分地基于所接收的发动机操作目标和估计的当前发动机状态来确定燃料流量，入口引导叶片计划和稳定性排放计划，并且将信号发送到燃气涡轮发动机的气体发生器 根据确定的燃料流量，入口导向叶片时间表和稳定性排放时间表来控制气体发生器。
-
公开(公告)号：US20210262400A1
公开(公告)日：2021-08-26
申请号：US16797572
申请日：2020-02-21
IPC分类号： F02C9/28
摘要： A control system for limiting a power turbine torque of a gas turbine engine is disclosed. In various embodiments, the control system includes an engine control module configured to output an effector command signal to a gas generator of the gas turbine engine; a power turbine governor module configured to output to the engine control module a power turbine torque request signal; and a power turbine torque limiter module configured to output to the power turbine governor module a power turbine speed rate signal to limit a power turbine speed overshoot of the gas turbine engine.
-
公开(公告)号：US11092136B2
公开(公告)日：2021-08-17
申请号：US15971300
申请日：2018-05-04
摘要： A control system for limiting power turbine torque (QPT) of a gas turbine engine includes a controller including a processor and memory configured to control the gas turbine engine, the controller including an engine control module that provides an effector command signal to a gas generator of the gas turbine engine; a power turbine governor module that outputs a preliminary torque request (QPT_req_pre); and a power turbine torque (QPT) optimal limiter module that outputs a maximum torque topper (QPT_max) to limit a power turbine speed overshoot of the gas turbine engine; wherein the controller outputs a minimum value between the preliminary torque request (QPT_req_pre) and the maximum torque topper (QPT_max) to the engine control module.
-
公开(公告)号：US10316760B2
公开(公告)日：2019-06-11
申请号：US14626163
申请日：2015-02-19
摘要： A system and methods are provided for controlling turboshaft engines. In one embodiment, a method includes receiving input signals for a collective lever angle (CLA) command and real-time power turbine speed (NP) of an engine, determining system data for engine effectors by the control unit based on the input signals for the collective lever angle (CLA) command and the real-time power turbine speed (NP) based on an integrated model for the turboshaft engine including a model of a gas generator section of the turboshaft engine and a model of a power turbine and rotor load section of the turboshaft engine. The method may also include determining control output based on model-based multi-variable control including optimization formulation and a constrained optimization solver. The method may also include outputting one or more control signals for control of the turboshaft engine.
-
公开(公告)号：US09878692B2
公开(公告)日：2018-01-30
申请号：US15262925
申请日：2016-09-12
发明人： Chaohong Cai , Joshua Adams , Richard P. Meisner
CPC分类号： B60T7/12 , F01D17/00 , F02C9/00 , F02C9/52 , F02C9/54 , F04D27/0261 , F05D2260/80 , F05D2260/81 , F05D2260/83 , F05D2270/301 , F05D2270/303 , F05D2270/304 , F05D2270/334 , F05D2270/44 , G06F19/00
摘要： 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.
-
10.发明授权Model-based optimal control for stall margin limit protection in an aircraft engine 有权基于模型的飞机发动机失速边界限制最优控制公开(公告)号：US09441547B2
公开(公告)日：2016-09-13
申请号：US14623063
申请日：2015-02-16
发明人： Chaohong Cai , Joshua Adams , Richard P. Meisner
CPC分类号： B60T7/12 , F01D17/00 , F02C9/00 , F02C9/52 , F02C9/54 , F04D27/0261 , F05D2260/80 , F05D2260/81 , F05D2260/83 , F05D2270/301 , F05D2270/303 , F05D2270/304 , F05D2270/334 , F05D2270/44 , G06F19/00
摘要： 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.
摘要翻译： 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。
-
-
-
-
-
-
-
-
-
搜索结果
26 条记录 (耗时 0.018 秒)
