Optimal Hybridization of Conventional ICE Vehicles
Most commercially available hybrid electric vehicle (HEV) drivetrains are made of small internal combustion (IC) engines and large electric drives to improve fuel economy. They usually have higher cost than the conventional IC-engine-based vehicles because of the high costs of the electric drives. T...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-11-01
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| Series: | Eng |
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| Online Access: | https://www.mdpi.com/2673-4117/2/4/37 |
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| author | Zhemin Hu Ramin Tafazzoli Mehrjardi Lin Lai Mehrdad Ehsani |
| author_facet | Zhemin Hu Ramin Tafazzoli Mehrjardi Lin Lai Mehrdad Ehsani |
| author_sort | Zhemin Hu |
| collection | DOAJ |
| description | Most commercially available hybrid electric vehicle (HEV) drivetrains are made of small internal combustion (IC) engines and large electric drives to improve fuel economy. They usually have higher cost than the conventional IC-engine-based vehicles because of the high costs of the electric drives. This paper proposes a hybridized powertrain composed of the original full-size engine of the vehicle and a universally optimum size parallel electric drive. The dynamic programming (DP) algorithm was used to obtain the sensitivity of the maximum miles per gallon (MPG) values versus the power rating of the electric drive. This sensitivity was then analyzed to determine the optimal window of the electric drive power ratings. This was proven to be universal for all passenger cars of various masses and engine powers. The fuel economy and vehicle performance of this HEV was compared with those of the 2019 Toyota Corolla, a conventional IC-engine-based vehicle, and the 2019 Toyota Prius, a commercially available HEV. The results showed that the proposed universally optimized HEV powertrain achieved better fuel economy and vehicle performance than both the original ICE and HEV vehicles, at low additional vehicle cost. |
| first_indexed | 2024-03-10T04:12:36Z |
| format | Article |
| id | doaj.art-e8f7b7cd07ec46d79d3677817ed58695 |
| institution | Directory Open Access Journal |
| issn | 2673-4117 |
| language | English |
| last_indexed | 2024-03-10T04:12:36Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Eng |
| spelling | doaj.art-e8f7b7cd07ec46d79d3677817ed586952023-11-23T08:09:46ZengMDPI AGEng2673-41172021-11-012459260710.3390/eng2040037Optimal Hybridization of Conventional ICE VehiclesZhemin Hu0Ramin Tafazzoli Mehrjardi1Lin Lai2Mehrdad Ehsani3Department of Electrical Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical Engineering, Texas A&M University, College Station, TX 77840, USADepartment of Electrical Engineering, Texas A&M University, College Station, TX 77840, USAMost commercially available hybrid electric vehicle (HEV) drivetrains are made of small internal combustion (IC) engines and large electric drives to improve fuel economy. They usually have higher cost than the conventional IC-engine-based vehicles because of the high costs of the electric drives. This paper proposes a hybridized powertrain composed of the original full-size engine of the vehicle and a universally optimum size parallel electric drive. The dynamic programming (DP) algorithm was used to obtain the sensitivity of the maximum miles per gallon (MPG) values versus the power rating of the electric drive. This sensitivity was then analyzed to determine the optimal window of the electric drive power ratings. This was proven to be universal for all passenger cars of various masses and engine powers. The fuel economy and vehicle performance of this HEV was compared with those of the 2019 Toyota Corolla, a conventional IC-engine-based vehicle, and the 2019 Toyota Prius, a commercially available HEV. The results showed that the proposed universally optimized HEV powertrain achieved better fuel economy and vehicle performance than both the original ICE and HEV vehicles, at low additional vehicle cost.https://www.mdpi.com/2673-4117/2/4/37fuel optimizationlow cost HEVoptimum hybridization |
| spellingShingle | Zhemin Hu Ramin Tafazzoli Mehrjardi Lin Lai Mehrdad Ehsani Optimal Hybridization of Conventional ICE Vehicles Eng fuel optimization low cost HEV optimum hybridization |
| title | Optimal Hybridization of Conventional ICE Vehicles |
| title_full | Optimal Hybridization of Conventional ICE Vehicles |
| title_fullStr | Optimal Hybridization of Conventional ICE Vehicles |
| title_full_unstemmed | Optimal Hybridization of Conventional ICE Vehicles |
| title_short | Optimal Hybridization of Conventional ICE Vehicles |
| title_sort | optimal hybridization of conventional ice vehicles |
| topic | fuel optimization low cost HEV optimum hybridization |
| url | https://www.mdpi.com/2673-4117/2/4/37 |
| work_keys_str_mv | AT zheminhu optimalhybridizationofconventionalicevehicles AT ramintafazzolimehrjardi optimalhybridizationofconventionalicevehicles AT linlai optimalhybridizationofconventionalicevehicles AT mehrdadehsani optimalhybridizationofconventionalicevehicles |