Cummins Inc.

Cummins Engine Company, Inc.

Patrick J Shook

Joan M Wills

Travis Alva Anderson

J Steve Wills

Pallav Pathak

Thomas Dollmeyer

Renae Christianson

Lorraine H Myers

Neha Chandrachud

Vivek Anand Sujan

Kenneth M Follen

Phanindra V Garimella

Archit N Koti

Apurva Arvind Chunodkar

Jairo Andres Sandoval Leon

Brian P Liimatta

David P Genter

Randall J Johnson

Kevin L Miller

Ramya Vyas Arvind

James Ryan Hyslop

Venkatramanan Jayaraman

Michael Justin Tammen

A system and method for energy management of hybrid power generation systems is provided. In some implementations, an energy power management system (EPMS) may receive information indicating a health event for a hybrid power generation system comprising a battery. The EPMS may modify a battery charging condition based on the information indicating the health event. Further, the EPMS may direct the hybrid power generation system to charge the battery based on a state of charge (SOC) of the battery and the modified battery charging condition. Also, the EPMS may direct the hybrid power generation system to modify one or more system parameters based on the modified battery charging condition.

Method and system for energy management of hybrid power systems

An engine friction monitor uses commanded torque and measured torque to provide a prognostic feature to identify failure modes of an engine that causes the engine from delivering the commanded torque.

Engine friction monitor

A controller includes at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to: perform operations comprising: determining a concentration of a plurality of wear metal particles in a lubricant for an engine system; determining a filtered concentration of the plurality of wear metal particles using a baseline concentration of the plurality of wear metal particles; setting a diagnostic threshold based on the filtered concentration of the wear metal particles; and, responsive to determining that the concentration of the wear metal particles exceeds the diagnostic threshold, providing a notification.

Systems and methods for reliably detecting wear metal particles in lubrication systems to avoid progressive damage

Systems and apparatuses relate to a system comprising a controller comprising at least one processor coupled to a memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform operations comprising: determining a concentration of a plurality of wear metal particles in a lubricant for an engine system; determining a confidence parameter regarding the concentration determination; determining a filtered concentration of the plurality of wear metal particles using a baseline concentration of the plurality of wear metal particles; setting a diagnostic threshold for the plurality of wear metal particles based on the confidence parameter; and, responsive to determining that the diagnostic threshold is exceeded, providing a notification.

Disclosed are various techniques to optimize load delivery management of multiple vehicles along route. The optimization can involve evaluating vehicle-in-front information along with look ahead data to determine a recommended speed target and/or idle stop times and durations. The optimization can also involve determining bottleneck conditions from one or more vehicles and/or one or more infrastructure conditions and providing one or more recommended actions in response thereto.

Multi-vehicle load delivery management systems and methods

An apparatus, system, and method are disclosed for estimating ash accumulation. An interpolation module calculates a first particulate accumulation from an interpolation function. An ash feedback module calculates an ash accumulation as an ash feedback function of the first particulate accumulation and a stored first ash accumulation estimate. In one embodiment, an ash feedforward module calculates an added ash estimate. An ash accumulation module may calculate a second ash accumulation estimate as the sum of the ash accumulation and the added ash estimate. A regeneration module may deep clean the filter if the second ash accumulation estimate exceeds an ash threshold. In one embodiment, a soot calculation module calculates a soot accumulation as a second particulate accumulation minus the second ash accumulation estimate.

Apparatus, system, and method for estimating ash accumulation

An apparatus, system, and method are disclosed for determining the reliability of an estimate such as particulate accumulation on a diesel particulate filter, weighing the estimate according to a function of its reliability, weighing a prediction of particulate accumulation on the filter according to a function of the estimate's reliability, and combining the weighted estimate and weighted prediction to determine a combined particulate load estimate. The degree of reliability can be expressed as a trust factor, and a function of the trust factor can be used in a low-pass filter of the estimate. The trust factor value depends on filter air flow and particulate distribution in one embodiment. Regeneration of the particulate filter may be initiated depending on the value of the combined particulate load estimate.

Apparatus, system, and method for determining and implementing estimate reliability

An apparatus, system, and method are disclosed for providing system feedback from combined input values in a sensor-based control system wherein the reliability of a sensor response is questionable under defined conditions. The apparatus, in one embodiment, is configured to determine an output value. The apparatus may include an input module for receiving input from a sensor configured to provide a sensor response, an estimated expected response value, and a control module for determining an output value based on input from the sensor response and from the expected response value. To determine an output value, the sensor response and the expected response value may be weighted according to a predicted reliability of the sensor response or the model. The system may be embodied in an exhaust gas after-treatment system.

Apparatus, system, and method for providing combined sensor and estimated feedback

An engine system with a gear train to provide engine timing is disclosed. A technique to minimize backlash and noise caused by the gear train is included. An anti-backlash gear assembly useful to reduce backlash in the gear train is also disclosed. One disclosed gear assembly has at least two gear wheels with the circular thickness of the teeth of one gear wheel being less than the circular thickness of the other gear wheel. A gear assembly is also disclosed that has a bias torque of at least about 100 foot-pounds. A device carried on an anti-lash gear assembly to generally align teeth of the assembly for installation is also provided.

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Franklin, IN, United States of America

Patrick J Shook