公开(公告)号：US10060828B2

公开(公告)日：2018-08-28

申请号：US15087439

申请日：2016-03-31

Applicant: Caterpillar Inc.

Inventor： Austin Paul Roe ,  Anthony T. Petrou ,  Matthew Rowan ,  Timothy Edward McGreevy

IPC: G01M15/05 ,  G01M15/08 ,  F02D35/02 ,  G05B17/00 ,  F02B77/08

CPC classification number: G01M15/05 ,  F02B77/085 ,  F02D35/023 ,  F02D35/025 ,  G01M15/08 ,  G05B17/00

Abstract: An imbedded control system is disclosed for use with an engine having a combustion chamber and an associated piston. The control system may have at least one sensor configured to generate a signal indicative of a combustion process occurring inside the combustion chamber, and a controller in communication with the at least one sensor. The controller may be configured to determine an amount of heat and a pressure generated inside the combustion chamber based on the signal and a combustion model, to determine a heat flux through the piston based on the amount of heat and a heat flux model, and to determine a temperature at a rim of the piston based on the heat flux and a thermal model. The controller may be further configured to track a time at the temperature and the pressure, and to determine a damage count of the piston based on the time.