Optimal Disturbance Rejection with Zero Steady-State Error for Nonlinear Vehicle Suspension Systems under Persistent Road Disturbances
| العنوان: | Optimal Disturbance Rejection with Zero Steady-State Error for Nonlinear Vehicle Suspension Systems under Persistent Road Disturbances |
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| المؤلفون: | Yuan-Lin Guan, Xi-Xin Yang, Shiyuan Han, Xiao-Fang Zhong, Jin Zhou |
| المصدر: | Shock and Vibration, Vol 2018 (2018) |
| بيانات النشر: | Hindawi Limited, 2018. |
| سنة النشر: | 2018 |
| مصطلحات موضوعية: | 0209 industrial biotechnology, Article Subject, Computer science, Mechanical Engineering, Internal model, Spectral density, 02 engineering and technology, Geotechnical Engineering and Engineering Geology, Condensed Matter Physics, Active suspension, 01 natural sciences, lcsh:QC1-999, Nonlinear system, 020901 industrial engineering & automation, Mechanics of Materials, Deflection (engineering), Control theory, Control system, 0103 physical sciences, Sprung mass, Suspension (vehicle), 010301 acoustics, lcsh:Physics, Civil and Structural Engineering |
| الوصف: | The road disturbance rejection problem for vehicle active suspension involving the nonlinear characteristics is researched in this paper. A continuous-time state space of nonlinear vehicle active suspension is established first, in which the road disturbance is generated from the output of an introduced exosystem based on the ground displacement power spectral density. After that, based on the dynamics of road roughness and the internal model principle, a disturbance compensator with zero steady-state error is designed, which is related to the dynamic characteristics of road disturbance and independent of the control system model. By combining the vehicle active suspension system and the designed road disturbance compensator, an augmented system is obtained without explicit indication of road disturbance. Then by solving a series of decoupled nonlinear two-point-boundary-value problem and employing an iterative computing algorithm, an approximation optimal road disturbance rejection controller is obtained. Finally, the simulation results illustrate that the proposed approximation optimal road disturbance rejection controller can reduce the values of sprung mass acceleration, tire deflection, suspension deflection, and energy consumption and compensate the nonlinear behaviors of vehicle active suspension effectively. |
| وصف الملف: | text/xhtml |
| اللغة: | English |
| تدمد: | 1875-9203 1070-9622 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81389b00c02ab9432c8106a2d2c812ee https://doaj.org/article/ba4f69503c544883b793751531f4b92d |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....81389b00c02ab9432c8106a2d2c812ee |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 18759203 10709622 |
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