Cummins Inc.

Tula Technology, Inc.

Anant Puri

Vivek Anand Sujan

Kenneth M Follen

J Steven Kolhouse

Andrew W Osburn

Apurva Arvind Chunodkar

Fan Zeng

Edmund P Hodzen

Ming-feng Hsieh

Xing Jin

C Larry Bruner

Xiaobo Song

David B Snyder

Martin T Books

Jennifer Kay Light-Holets

Steven M Bellinger

Phanindra V Garimella

Praveen Chitradurga Muralidhar

Christopher R Nelson

Richard A Booth

Adam C Cecil

Avra Brahma

J Stephen Wills

Paul V Moonjelly

Pinak Jayant Tulpule

Kristopher R Bare

Manik Narula

Hoseinali Borhan

Jinyong Luo

Ying Yuan

Timothy Shipp

Aniket Gupta

Gregory M Shaver

Gokul Vishwanathan

Ke Li

Ninad Ghike

Ruigang Zhang

Chunyi Xia

John P Kresse, Iii

Jeremy D Crismore

A system and method used to predict the state of health of a battery in a powertrain of a vehicle including a vehicle route profile generator arranged to generate a vehicle specific rout profile based on historical vehicle driving information, are disclosed. In one example, the system and method also include a powertrain model to convert the vehicle specific route profile to a predicted battery demand profile, and a state of health profile generator to generate a predicted state of health profile of the battery based on the predicted battery demand. In another example, the system further includes a vehicle performance manager arranged to generate a command to modify operation of the powertrain to extend battery life based on the vehicle specific route profile.

System and method of predicting battery state of health

Provided is a system having a hybrid powertrain having a piston internal combustion engine, and a motor/generator, and the motor generator being coupleable to a clutch and thereby a gearbox, the engine further being equipped with a valvetrain control system operable to change the engine valve operation between a first mode in which the engine can operate in a conventional internal combustion mode and a second mode in which pumping losses are reduced when the engine is not operating in a conventional internal combustion mode.

Engine and integrated hybrid powertrain

Methods and systems for a powertrain power management in a vehicle with an electric motor, and an engine are disclosed. The methods and systems involve a powertrain that is operatively coupled to the engine and the electric motor, and an optimizer module operatively coupled to the powertrain. The optimizer module receives an operator information to travel a route from a remote management module, receives current route information for the route from a mapping application in response to the operator information, measures current vehicle status information for the hybrid vehicle, and decides a power management strategy for the vehicle based on the current route information and the current vehicle status information.

Method and system for controlling a powertrain in a hybrid vehicle

A method for managing emissions from a vehicle having an aftertreatment system is provided. The method includes: receiving, by a controller, information indicative of a temperature of an aftertreatment system of the vehicle and a power output of an engine of the vehicle; comparing, by the controller, the temperature of the aftertreatment system to a temperature threshold; comparing, by the controller, the power output to a power output threshold; and responsive to the comparisons, commanding, by the controller, an aftertreatment system heater to selectively engage and disengage to warm the aftertreatment system of the vehicle.

Systems and methods for reducing emissions with smart alternator

A controller for controlling flow of coolant to one or more components of a vehicle is disclosed. The controller determines respective amounts of heat expected to be rejected by the one or more components of the vehicle in a steady state of operation at current operating conditions of the one or more components, and generates a feedforward flow control signal based at least in part on the determined amounts of heat and a target temperature for the one or more components. The controller generates a controller output signal based at least in part on the feedforward control signal, and provides the controller output signal to the cooling system to control flow of coolant to the one or more components of the vehicle from the cooling system in accordance with the determined amounts of heat expected to be rejected by the one or more components of the vehicle.

Systems and method for controlling flow of coolant to components of a vehicle

An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plurality of intake valves, an exhaust system to release exhaust gas from the plurality of cylinders through respective one of a plurality of exhaust valves, an aftertreatment system to treat exhaust emission from the engine, and a controller coupled to at least one sensor and configured to control a cam phaser for thermal management of the aftertreatment system.

Cam phasing control for thermal management

A system includes an aftertreatment system heater of an exhaust aftertreatment system coupled to an engine A controller coupled to the aftertreatment system heater is configured to determine a condition of an exhaust gas from an engine and compare the condition to a predefined threshold. If the condition of the exhaust gas does not meet the predefined threshold, the controller is configured to determine whether an engine operating condition is met for activating a cylinder deactivation operating mode for the engine. If the engine operating condition is met, the controller is configured to operate the engine in the cylinder deactivation operating mode by deactivating a cylinder of a plurality of cylinders. If the engine operating condition is not met, the controller is configured to activate the aftertreatment system heater to heat the exhaust gas.

Systems and methods for coordination of skip-fire and aftertreatment heater operation to maintain exhaust gas temperature

At least some embodiments of the present disclosure are directed to systems and methods for controlling a cylinder deactivation (CDA) operation for an electrified powertrain, the electrified powertrain comprising an engine and an additional power source, the engine having a plurality of cylinders. The method includes the step of operating the electrified powertrain in a CDA mode and deactivating one or more selected cylinders of the plurality of cylinders; receiving measurement data indicative of operating conditions of the electrified powertrain; analyzing the measurement data to determine whether a predetermined operating condition is met; and adjusting the CDA operation by adjusting the duration of the CDA operation or changing a number of deactivated cylinders.

Systems and methods for controlling cylinder deactivation operation in electrified powertrains

A system is provided for performing an automated range estimation process for an electric vehicle using a processor. Included in the system is a range estimator configured to estimate an initial value of an energy required to travel a unit distance for the electric vehicle. The range estimator generates a first estimation model based on a correlation between a maximum all-electric-range and the energy required to travel a unit distance. Then, the first estimation model is adjusted based on one or more predetermined driving conditions. The maximum all-electric-range of the electric vehicle is updated based on the adjusted first estimation model. An estimated range of the electric vehicle is calculated based on the updated maximum all-electric-range of the electric vehicle and a fraction of total energy capability remaining in the electric vehicle. The estimated range of the electric vehicle is outputted and is used to control the electric vehicle.

System and method of performing a range estimation for hybrid and electric vehicles

At least some embodiments of the present disclosure are directed to systems and methods for controlling a cylinder deactivation (CDA) operation for an electrified powertrain, the electrified powertrain comprising an engine and an additional power source, the engine having a plurality of cylinders. The method includes the step of: operating the electrified powertrain in a CDA mode and deactivating one or more selected cylinders of the plurality of cylinders; receiving measurement data indicative of operating conditions of the electrified powertrain; analyzing the measurement data to determine whether a predetermined operating condition is met; and adjusting the CDA operation by adjusting the duration of the CDA operation or changing a number of deactivated cylinders.

An apparatus includes an engine module, an in-cylinder content module, and an engine out NOx module. The engine module is structured to interpret engine in-cylinder data regarding an operating condition within a cylinder of an engine, wherein the engine in-cylinder data includes an engine torque, an engine speed, a rail pressure, and a start-of-injection. The in-cylinder content module is structured to interpret at least one additional in-cylinder data point regarding the operating condition within the cylinder of the engine. The engine out NOx module is structured to determine an engine out NOx amount responsive to the engine in-cylinder data and the at least one additional in-cylinder data point.

System and method for determining engine out NOx based on in-cylinder contents

One exemplary embodiment is a system comprising a multi-fuel engine structured to selectably combust varying proportions of a first type of fuel and a second type of fuel, and an electronic control system structured to control the provision of at least one of the first type of fuel and the second type of fuel to the engine using a multi-factor cost optimization. The multi-factor cost optimization may account for a plurality of factors including one or more environment factors, location factors, mission factors, warranty factors, operator-specified factors and/or fleet-specified factors.

Multi-fuel engine controls including multi-factor cost optimization

Apparatuses, methods, systems and controls including dynamic vehicle parameter determination are disclosed. One embodiment is a method of operating a vehicle system including a powertrain comprising a prime mover structured to propel the vehicle, and an electronic control system in operative communication with the prime mover and the transmission. The method includes estimating a plurality of coefficients of a vehicle loss model, evaluating a convergence criterion for the plurality of estimated coefficients, setting converged values of the plurality of coefficients if the convergence criterion is satisfied, determining a vehicle powertrain command utilizing the converged values of the plurality of coefficients, and transmitting a vehicle powertrain command to control operation of one or more powertrain components.

Vehicle controls including dynamic vehicle parameter determination

An engine starting system and technique include selecting a target engine speed profile from a plurality of engine speed profiles based on operator inputs and operating parameters of the vehicle. A feedback control strategy is used to substantially conform the engine speed with the target speed profile during starting until a target speed is reached in which fueling is initiated to start the engine.

Systems and methods for optimization and control of internal combustion engine starting

Apparatuses, methods and systems comprising vehicle gear shifting controls are disclosed. One embodiment is a method comprising operating a vehicle system comprising an engine structured to output torque, a transmission structured to receive torque from the engine and output torque to one or more ground contacting wheels, and an electronic control system in operative communication with the engine and the transmission. The electronic control system is structured to estimate an engine load parameter using one or more dynamically determined vehicle operating parameters, set an engine load threshold using the engine load parameter, evaluate a current engine load relative to the engine load threshold, and selectably perform an operation to control or influence a shifting event in response to the evaluation.

Growing community of inventors

Columbus, IN, United States of America

Anant Puri