A Concept Investigation Simulation Model on Hybrid Powertrains for Handheld Tools

Research output: Contribution to journalConference articlepeer-review


Amid the increasing demand for higher efficiency in combustion driven handheld tools, the recent developments in electric machine technology together with the already existing benefits of small combustion engines for these applications favor the investigation of potential advantages in hybrid powertrain tools. This concept-design study aims to use a fully parametric, system-level simulation model with exchangeable blocks, created with a power-loss approach in Matlab and Simulink, in order to examine the potential of different hybrid configurations for different tool load cycles. After the model introduction, the results of numerous simulations for 36 to 100 cc engine displacement will be presented and compared in terms of overall system efficiency and overall powertrain size. The different optimum hybrid configurations can show a reduction up to 30 % in system's brake specific fuel consumption compared to the baseline combustion engine driven model.

Original languageEnglish
JournalSAE Technical Papers
Issue number2020
Publication statusPublished - 30 Nov 2020
EventSAE 2020 Small Powertrain and Energy Systems Technology Conference: SETC 2020 - Minneapolis, United States
Duration: 10 Nov 202012 Nov 2020

ASJC Scopus subject areas

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering


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