Integrated system for electrical generation and boosting (iSGB)

This paper deals with applying synchronous permanent magnet machine technology to enable the design and unique packaging of an integrated system. The system provides electrical generation, stop/start, tractive effort and transient electrical boosting of engine inlet pressure. Regulations for increasing fuel economy, and thus reducing CO₂ emissions, along with current market trends, which include stop/start, downsizing/boosting and “effective” vehicle electrification, will be discussed and highlighted as the motivation for this advanced technology. This paper will describe the various motor technologies considered for this integrated system and the criteria used to down-select and design the two synchronous permanent magnet machines and their associated power electronics. The various system architectures being considered, along with their advantages and disadvantages, will also be described. The intent of this system is to fulfill the objectives of positively influencing fuel economy, emissions and performance.