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1.发明授权公开(公告)号：US11526724B2
公开(公告)日：2022-12-13
申请号：US16546887
申请日：2019-08-21
摘要： Provided is a processor-implemented method and a processor in a vehicle for estimating the value of a quantity for which a physical sensor is not available for measurement. The method includes: receiving a plurality of measured signals representing values of measurable variables; computing, in real-time, time derivatives of the measured signals; and applying a trained feedforward neural network, in real-time, to estimate values for a plurality of unmeasurable variables, the unmeasurable variables being variables that are unmeasurable in real-time, the feedforward neural network having been trained using test data containing time derivatives of values for the measurable variables and values for the unmeasurable variables; wherein the vehicle uses the estimated values for the unmeasurable variables for vehicle operation.
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2.发明申请公开(公告)号：US20210056377A1
公开(公告)日：2021-02-25
申请号：US16546887
申请日：2019-08-21
摘要： Provided is a processor-implemented method and a processor in a vehicle for estimating the value of a quantity for which a physical sensor is not available for measurement. The method includes: receiving a plurality of measured signals representing values of measurable variables; computing, in real-time, time derivatives of the measured signals; and applying a trained feedforward neural network, in real-time, to estimate values for a plurality of unmeasurable variables, the unmeasurable variables being variables that are unmeasurable in real-time, the feedforward neural network having been trained using test data containing time derivatives of values for the measurable variables and values for the unmeasurable variables; wherein the vehicle uses the estimated values for the unmeasurable variables for vehicle operation.
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公开(公告)号：US10519881B2
公开(公告)日：2019-12-31
申请号：US15953854
申请日：2018-04-16
摘要： Embodiments of the present invention described herein include a control system for a vehicle. The control system includes a control module that dynamically computes a first power value (PC) to be generated by a compressor based on an estimation model of the compressor. The control system further includes a power term estimator module that dynamically computes a second power value (PU) based on a measured compressor pressure ratio (βcmeas) of the compressor. The control module further computes an amount of power to be generated by an engine (Ptdes) by adding the first power value and the second power value. The control module further adjusts an actuator position to generate the amount of power to be generated.
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公开(公告)号：US09885297B2
公开(公告)日：2018-02-06
申请号：US14562820
申请日：2014-12-08
CPC分类号： F02D41/0007 , F02B33/40 , F02B37/12 , F02D41/1401 , F02D41/1446 , F02D41/18 , F02D2041/141 , F02D2041/1419 , F02D2200/0402 , F02D2200/0406 , F02D2200/0414 , F02D2200/703 , Y02T10/144
摘要： An internal combustion engine includes an air charging system with a boost air system. A method to control the boost air in the air charging system, decoupled from the air and EGR system controls, includes monitoring a reference boost pressure and operating parameters of the air charging system; creating a turbocharger energy balance model of the air charging system; applying feedback linearization control to the turbocharger energy balance model to create an approximately linearized feedback system; and determining a boost control command for the air charging system using the approximately linearized feedback system based on the monitored reference boost pressure and the monitored operating parameters of the air charging system. The boost air in the air charging system is controlled based upon the boost control command.
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公开(公告)号：US11293366B2
公开(公告)日：2022-04-05
申请号：US16279242
申请日：2019-02-19
IPC分类号： F02D41/14 , G06F9/455 , G06F17/13 , G06F16/9035 , G05B23/02 , F02B37/12 , F02D41/00 , G06N7/00
摘要： A system or method for determining virtual data of a system, relative to a measurement point having a sensor located nearby, is determined by a controller. The system calculates modeled data at the measurement point, filters the modeled data to determine filtered data, and calculates a differential between the modeled data and the filtered data to determine a compensation term. The system also determines raw-sensed data from the sensor at the measurement point, and combines that raw-sensed data with the compensation data to calculate the virtual data at the measurement point. In some configurations, the modeled data is determined from a physics-based model. Furthermore, filtering the modeled data may include using a low-pass filter, and a time constant for the low-pass filter may be calculated based on operating conditions of the system.
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公开(公告)号：US20190316533A1
公开(公告)日：2019-10-17
申请号：US15953854
申请日：2018-04-16
摘要： Embodiments of the present invention described herein include a control system for a vehicle. The control system includes a control module that dynamically computes a first power value (PC) to be generated by a compressor based on an estimation model of the compressor. The control system further includes a power term estimator module that dynamically computes a second power value (PU) based on a measured compressor pressure ratio (βcmeas) of the compressor. The control module further computes an amount of power to be generated by an engine (Ptdes) by adding the first power value and the second power value. The control module further adjusts an actuator position to generate the amount of power to be generated.
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公开(公告)号：US10196956B2
公开(公告)日：2019-02-05
申请号：US15496746
申请日：2017-04-25
发明人： Vincenzo Alfieri , Giuseppe Mazzara Bologna , Giuseppe Conte , Alberto Bemporad , Daniele Bernardini
摘要： A method is disclosed for controlling an injector for injecting a reductant into a selective catalytic reduction system of an internal combustion engine. A value of a concentration of nitrogen-oxides in the exhaust gas aftertreatment system downstream of the selective catalytic reduction system is measured, and a first difference is calculated between the measured value of the nitrogen-oxides concentration and a predetermined reference value thereof. A value of a concentration of ammonia in the exhaust gas aftertreatment system downstream of the selective catalytic reduction system is measured, and a second difference is calculated between the measured value of the ammonia concentration and a predetermined reference value thereof. A quantity of reductant to be injected by the injector is calculated as a function of the calculated first difference and second difference, and the injector is operated to inject the calculated quantity of reductant.
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公开(公告)号：US20180142593A1
公开(公告)日：2018-05-24
申请号：US15359857
申请日：2016-11-23
CPC分类号： F01N3/208 , B01D53/9431 , B01D53/9495 , F01N3/2066 , F01N9/005 , F01N11/007 , F01N13/0093 , F01N2550/02 , F01N2550/05 , F01N2560/026 , F01N2610/02 , F01N2610/146 , F01N2900/0404 , F01N2900/0408 , F01N2900/0601 , F01N2900/1402 , F01N2900/1616 , F01N2900/1621 , F01N2900/1622 , F01N2900/1812
摘要： Disclosed are model predictive control (MPC) systems, methods for using such MPC systems, and motor vehicles with selective catalytic reduction (SCR) employing MPC control. An SCR-regulating MPC control system is disclosed that includes an NOx sensor for detecting nitrogen oxide (NOx) input received by the SCR system, catalyst NOx sensors for detecting NOx output for two SCR catalysts, and catalyst NH3 sensors for detecting ammonia (NH3) slip for each SCR catalyst. The MPC system also includes a control unit programmed to: receive desired can conversion efficiencies for the SCR catalysts; determine desired can NOx outputs for the SCR catalysts; determine maximum NH3 storage capacities for the SCR catalyst; calculate the current can conversion efficiency for each SCR catalyst; calculate an optimized reductant pulse-width and/or volume from the current can conversion efficiencies; and, command an SCR dosing injector to inject a reductant into an SCR conduit based on the calculated pulse-width/volume.
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公开(公告)号：US10519880B2
公开(公告)日：2019-12-31
申请号：US15487150
申请日：2017-04-13
摘要： A torque requesting module generates a torque request for an engine based on driver input. A model predictive control (MPC) module: identifies sets of possible target values based on the torque request, each of the sets of possible target values including target effective throttle area percentage; determines predicted operating parameters for the sets of possible target values, respectively; determines cost values for the sets of possible target values, respectively; selects one of the sets of possible target values based on the cost values; and sets target values based on the possible target values of the selected one of the sets, respectively, the target values including a target pressure ratio across the throttle valve. A target area module determines a target opening area of the throttle valve based on the target effective throttle area percentage ratio. A throttle actuator module controls the throttle valve based on the target opening.
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10.发明授权公开(公告)号：US10253704B2
公开(公告)日：2019-04-09
申请号：US14711382
申请日：2015-05-13
发明人： Giuseppe Conte , Vincenzo Alfieri
摘要： A method of controlling the operation of an air charging system is disclosed. A plurality of output parameters of the air charging system are monitored. An error between each one of the monitored output parameters and a target value thereof is calculated. Each one of the calculated errors is applied to a linear controller that yields a virtual input which is used to calculate a plurality of input parameters for the air charging system. Each one of the input parameters is used to determine the position of a corresponding actuator of the air charging system and operate of the actuators according to the determined position thereof. The inputs parameters are calculated with a non-linear mathematical model of the air charging system configured such that each one of the virtual inputs is in a linear relation with only one of the output parameters.
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