Electronic Throttle Valve Modeling Considering Nonlinearity of Electrical and Mechanical Parameters Based on Experiments
- Authors
- Park, Jin-Cheol; Ryu, Jun-Yeol; Park, Soo-Hwan; Lim, Myung-Seop
- Issue Date
- Oct-2022
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Brushes; Torque; Springs; Resistance; Valves; Contact resistance; Rotors; Brushed dc motor; nonlinear parameter; throttle valve
- Citation
- IEEE-ASME TRANSACTIONS ON MECHATRONICS, v.27, no.5, pp.3309 - 3314
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE-ASME TRANSACTIONS ON MECHATRONICS
- Volume
- 27
- Number
- 5
- Start Page
- 3309
- End Page
- 3314
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/185828
- DOI
- 10.1109/TMECH.2021.3123137
- ISSN
- 1083-4435
- Abstract
- In this article, the nonlinear parameters of a throttle valve were analyzed and calculated to predict its dynamic characteristics. A mathematical model considering nonlinear parameters is employed to improve the control performance over the throttle valve. Electrical nonlinearity is caused by the brush and commutator. A brush contact resistance is generated due to the contact between the brush and commutator. The brush contact resistance is affected by the rotor speed and the input current. Furthermore, mechanical nonlinearity is caused by the limp-home mode in the spring. The torque produced by the spring varies with the valve angle. As it is difficult to estimate nonlinear parameters accurately, electrical and mechanical parameters were calculated experimentally. In addition, a block diagram considering the nonlinearity of the electrical and mechanical parameters was developed. Finally, the test and simulation results were compared to validate the estimated nonlinear parameters.
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