原文传递
Component/Systems Evaluation.
| 题名： | Component/Systems Evaluation. |
| 作者： | Chambon, P. H. |
| 关键词： | Algorithms; Catalysts; Cold Starts; Control Systems; Emission; Engines; Hybrid Electric Powered Vehicles; Implementation; Methodology; Research Projects; Thermal Analysis; Validation |
| 摘要： | Objectives are to: (1) Investigate novel engine control strategies targeted at rapid engine/catalyst warming for the purpose of mitigating tailpipe emissions from plug-in hybrid electric vehicles (PHEV) exposed to multiple engine cold start events; and (2) Validate and optimize hybrid supervisory control techniques developed during previous and on-going research projects by integrating them into the vehicle level control system and complementing them with the modified engine control strategies in order to further reduce emissions during both cold start and engine re-starts. Approach used are: (1) Perform a literature search of engine control strategies used in conventional powertrains to reduce cold start emissions; (2) Develop an open source engine controller providing full access to engine control strategies in order to implement new engine/catalyst warm-up behaviors; (3) Modify engine cold start control algorithms and characterize impact on cold start behavior; and (4) Develop an experimental Engine-In-the-Loop test stand in order to validate control methodologies and verify transient thermal behavior and emissions of the real engine when combined with a virtual hybrid powertrain. |
| 报告类型： | 科技报告 |
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