# US 2019/0168753 A1 · System and method for predictive engine and aftertreatment system control > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168753 A1 - Document ID: US20190168753A1 - Status: Published application - Kind: A1 - Application number: 15/833,775 - Filed: 2017-12-06 - Published: 2019-06-06 - Earliest claimed: 2017-12-06 - Assignees: Cummins Inc. - Applicants: Cummins, Inc. - Inventors: Hoseinali Borhan; Akash S. Desai; Edmund P. Hodzen; Pinak Jayant Tulpule; Bibin N. Pattel - Web page: https://patentgrep.com/patent/US20190168753A1 ## CPC - B60W 30/143: {Speed control (B60W30/16 takes precedence)} - F01N 3/2066: {Selective catalytic reduction [SCR]} - B60W 40/076: Slope angle of the road - F01N 3/208: {Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent} - F01N 9/00: Electrical control of exhaust gas treating apparatus (monitoring or diagnostic devices for exhaust-gas treatment apparatus F01N11/00; conjoint electrical control of two or more combustion engine functions F02D43/00) - F02D 29/02: peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers - F02D 41/0235: {in relation with the state of the exhaust gas treating apparatus (control of exhaust gas treating apparatus per se F01N)} - F02D 41/123: {the fuel injection being cut-off} - B60W 2510/285: Temperature - B60W 2530/209: Fuel quantity remaining in tank - B60W 2552/15: Road slope, i.e. the inclination of a road segment in the longitudinal direction - F01N 2430/00: Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics - F01N 2900/08: said parameters being related to the engine - F02D 2041/1412: {using a predictive controller} - F02D 2200/0414: Air temperature - F02D 2200/0625: Fuel consumption, e.g. measured in fuel liters per 100 kms or miles per gallon - F02D 2200/08: Exhaust gas treatment apparatus parameters - F02D 2200/70: said parameters being related to the vehicle exterior - Y02A 50/20: Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters - Y02T 10/12: Improving ICE efficiencies - Y02T 10/40: Engine management systems - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - F01N: GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES (arrangements in connection with gas exhaust of propulsion units in vehicles B60K13/00; combustion-air intake silencers specially adapted for, or arranged on, internal-combustion engines F02M35/00; protecting against, or damping, noise in general G10K11/16) - F02D: CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract Systems and apparatuses include a controller structured to: receive information indicative of an operating condition of a vehicle subsystem, receive information indicative of an external static condition, and receive information indicative of an external dynamic condition. The system is further configured to predict a fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition. Responsive to predicting a fuel cut event, the controller is structured to modulate at least one of a torque or a speed of the engine based on the operating condition of the vehicle subsystem and at least one of the information indicative of the external static condition and the external dynamic condition. ## Claims ### Claim 1 A system, comprising: a controller structured to: receive information indicative of an operating condition of a vehicle subsystem; receive information indicative of an external static condition; receive information indicative of an external dynamic condition; predict a fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; and responsive to predicting a fuel cut event, modulate at least one of a torque or a speed of the engine based on the operating condition of the vehicle subsystem and at least one of the external static condition and the external dynamic condition. ### Claim 2 (depends on 1) The system of claim 1, wherein the vehicle subsystem is an exhaust aftertreatment system in exhaust-gas receiving communication with the engine and wherein the operating condition of the vehicle subsystem is a temperature of the exhaust aftertreatment system. ### Claim 3 (depends on 2) The system of claim 2, wherein responsive to predicting a low temperature of the exhaust aftertreatment system based on at least one of the operating condition of the vehicle subsystem, the external static condition, or the external dynamic condition, modulating at least one of a torque or a speed of the engine to increase the temperature of the exhaust aftertreatment system. ### Claim 4 (depends on 2) The system of claim 2, wherein the controller is further structured to: predict a duration of the fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; predict the temperature of the exhaust aftertreatment system during the fuel cut event based on the predicted duration of the fuel cut event; and responsive to the predicted temperature of the exhaust aftertreatment system during the fuel cut event being above a predetermined temperature threshold, modulating at least one of the torque or the speed of the engine to reduce a load on the engine during the fuel cut event. ### Claim 5 (depends on 1) The system of claim 1, wherein: the external static condition includes grade data for a route of a vehicle; and the external dynamic condition includes information for a route that changes as a function of time. ### Claim 6 (depends on 1) The system of claim 1, wherein the controller is configured to operate in a driver assist mode in which the controller is structured modulate at least one of the torque or the speed of the engine to reduce at least one of a number or a duration of fuel cut events. ### Claim 7 (depends on 1) The system of claim 1, wherein the controller is structured to operate in a driver assist mode in which the controller is structured to receive a command indicative of a target speed and to operate the engine so that the speed of the engine is within a predetermined range of the target speed responsive to predicting the fuel cut event. ### Claim 8 An apparatus, comprising: an internal information circuit structured to receive information indicative of an operating condition of a subsystem of a vehicle; an external dynamic information circuit structured to receive information indicative of an external dynamic condition of the vehicle; an external static information circuit structured to receive information indicative of an external static condition of the vehicle; a drive assist circuit structured to: predict a fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; and modulate at least one of a torque or a speed of an engine of the vehicle in response to the operating condition of the vehicle subsystem and at least one of the external static condition and the external dynamic condition. ### Claim 9 (depends on 8) The apparatus of claim 8, wherein the vehicle subsystem is an exhaust aftertreatment system in exhaust-gas receiving communication with the engine and wherein the operating condition of the vehicle subsystem is a temperature of the exhaust aftertreatment system. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein responsive to predicting a predetermined temperature threshold of the exhaust aftertreatment system based on at least one of the operating condition of the vehicle subsystem, the external static condition, or the external dynamic condition, the drive assist circuit is structured to modulate at least one of a torque or a speed of the engine to increase the temperature of the exhaust aftertreatment system. ### Claim 11 (depends on 9) The apparatus of claim 9, wherein the drive assist circuit is further structured to: predict a duration of the fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; predict the temperature of the exhaust aftertreatment system during the fuel cut event based on the predicted duration of the fuel cut event; and responsive to the predicted temperature of the exhaust aftertreatment system during the fuel cut event being above a predetermined temperature threshold, modulating at least one of the torque or the speed of the engine to reduce a load on the engine during the fuel cut event. ### Claim 12 (depends on 8) The apparatus of claim 8, wherein: the external static condition includes grade data for a route of a vehicle; and the external dynamic condition includes information for the route of the vehicle that changes as a function of time. ### Claim 13 (depends on 8) The apparatus of claim 8, wherein the drive assist circuit is structured to modulate at least one of the torque or the speed of the engine to reduce one of a number of or a duration of fuel cut events. ### Claim 14 (depends on 8) The apparatus of claim 8, further comprising an input circuit structured to receive a command indicative of a target speed, and wherein the drive assist circuit is structured to operate the engine to so that the speed of the engine is within a predetermined range of the target speed responsive to predicting the fuel cut event. ### Claim 15 A method, comprising: receiving information indicative of an operating condition of a subsystem of a vehicle; receiving information indicative of an external static condition of a route of the vehicle, the external static condition including grade data for the route of the vehicle; receiving information indicative of an external dynamic condition of the route of the vehicle, the external dynamic condition including information for the route of the vehicle that changes as a function of time; predicting a fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; and modulating at least one of a torque or a speed of an engine of the vehicle in response to the operating condition of the vehicle subsystem and at least one of the external static condition and the external dynamic condition. ### Claim 16 (depends on 15) The method of claim 15, wherein the vehicle subsystem is an exhaust aftertreatment system in exhaust-gas receiving communication with the engine and wherein the operating condition of the vehicle subsystem is a temperature of the exhaust aftertreatment system. ### Claim 17 (depends on 16) The method of claim 16, further comprising: predicting a low temperature of the exhaust aftertreatment system based on at least one of the operating condition of the vehicle subsystem, the external static conditions, and the external dynamic conditions; and modulating at least one of a torque or a speed of the engine to increase the temperature of the exhaust aftertreatment system. ### Claim 18 (depends on 16) The method of claim 16, further comprising: predicting a duration of the fuel cut event based on at least one of the operating condition of the vehicle subsystem, the external static condition, and the external dynamic condition; predicting the temperature of the exhaust aftertreatment system during the fuel cut event based on the predicted duration of the fuel cut event; and responsive to the predicted temperature of the exhaust aftertreatment system during the fuel cut event being above a predetermined temperature threshold, modulating at least one of the torque or the speed of the engine to reduce a load on the engine during the fuel cut event. ### Claim 19 (depends on 15) The method of claim 15, further comprising modulating at least one of the torque or the speed of the engine of the vehicle to reduce one of a number of or a duration of fuel cut events. ### Claim 20 (depends on 15) The method of claim 15, further comprising: receiving a command indicative of a target speed; and operating the engine in a driver assist mode so that the speed of the engine is within a predetermined range of the target speed.