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Open AccessArticle

Development of Test-Bed Controller for Powertrain of HEV

State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China
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Energies 2020, 13(13), 3372; https://doi.org/10.3390/en13133372
Received: 17 May 2020 / Revised: 20 June 2020 / Accepted: 29 June 2020 / Published: 1 July 2020
(This article belongs to the Section Smart Grids and Microgrids)
The dynamic test-bed is a powerful tool for the powertrain integration and control strategy development of a hybrid electric vehicle (HEV). This paper focuses on developing a test-bed controller with driver simulation, road load simulation (RLS), and engine simulation. The main factors that influence the RLS accuracy are analyzed, especially inertia of test-bed and torque signal sampling frequency, and the RLS algorithm with penalty function based on a forward model is proposed. The engine model is developed and permanent magnet synchronous motor (PMSM) is adopted to realize engine start-up/stop, torque control, and inertia simulation. The simulation platform was built in MATLAB/Simulink to verify its accuracy. The simulation results present the developed RLS with a penalty function based on a forward model that can reduce the speed and torque error. The developed controller is applied to the single-axis parallel HEV test-bed. The experiment results show that the developed test-bed controller can precisely emulate the road load and improve the efficiency of the development of HEV powertrain. View Full-Text
Keywords: hybrid electric vehicle; test-bed controller; road load simulation; penalty function; Engine simulation hybrid electric vehicle; test-bed controller; road load simulation; penalty function; Engine simulation
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Liu, P.; Jin, Z.; Hua, Y.; Zhang, L. Development of Test-Bed Controller for Powertrain of HEV. Energies 2020, 13, 3372.

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