A Hardware-in-the-Loop (HIL) Bench Test of a GT-Power Fast Running Model for Rapid Control Prototyping (RCP) Verification

Paper #:
  • 2016-01-0549

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0549
Citation:
Wu, H. and Li, M., "A Hardware-in-the-Loop (HIL) Bench Test of a GT-Power Fast Running Model for Rapid Control Prototyping (RCP) Verification," SAE Technical Paper 2016-01-0549, 2016, doi:10.4271/2016-01-0549.
Author(s):
Affiliated:
Pages:
7
Abstract:
A GT-Power Fast Run Model simplified from detail model for HIL is verified with a bench test using the dSPACE Simulator. Firstly, the conversion process from a detailed model to FRM model is briefly described. Then, the spark timing, fuel pulse with control for FAR, and torque level control are developed for proof of concept. Moreover a series of FRM/Simulink co-simulation and HIL tests are conducted. In the summary, the test results are presented and compared with GT detailed model simulations. The test results show that the FRM/dSPACE HIL stays consistent in most variables of interest under 0.7-0.9 real-time factor condition between 1000 - 5000 RPM. The same steady-state can be reached by RCP controllers or with GT-Power internal controllers. The transient states are close using different control algorithm. The main purpose of HIL application is achieved, despite inconsistencies in performance data like fuel consumption. These inconsistencies are the result of simplifications and discretization, and are not the focus of the HIL application. The real-time capability of FRM/dSPACE along with inheritance, reusability and conversion features make this process and platform feasible from test-cell RCP development to production and ECU verification.
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