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基于模型參考的混合懸架多模式切換控制研究
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國家自然科學基金項目(51575240),、江蘇省教育廳自然科學基金重大項目(15KJA460005)和鎮(zhèn)江市工業(yè)支撐項目(GY2015029)


Multi-mode Switching Control System for Hybrid Suspension Based on Model Reference
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    摘要:

    混合懸架在單一控制模式下的舒適性、安全性和饋能性存在相互制約問題,,本文基于模型參考的方式設(shè)計了一種混合懸架多模式切換控制方法,,確定了各模式之間切換規(guī)則來控制直線電機和可調(diào)阻尼進行切換,。然后基于Simulink/Stateflow進行了1/4混合懸架的切換控制系統(tǒng)的設(shè)計和仿真,并進行了快速原型試驗論證,。仿真試驗結(jié)果表明:混合懸架多模式切換控制模型可以有效地進行切換并達到切換目標,,提高混合懸架的綜合性能。

    Abstract:

    Due to the mutual restricted problem among comfort, safety, energy-regeneration in single control mode, the hybrid suspension with four working modes was designed and the switching strategy based on model reference was generated to control linear motor and adjustable damping to switch. Comfort model, safe model, combine model and passive energy recycle model were proposed to solve the above problems. And the body acceleration and tire dynamic displacement were used as the threshold of these four switching modes. In this system, the hybrid suspension with linear motor and three stages adjustable damping was taken as the research object. First of all, control strategies in different modes were changed through the use of multi-mode switching to improve the control effect. Then in order to reduce energy consumption and recover energy, the appropriate damping values in different modes were selected and the linear motor was used as a generator. And based on Simulink/Stateflow, the switching control system of 1/4 hybrid suspension was designed and simulated, and a complete simulation process from road switching, mode selection, mode switching to the changing of suspension model parameters was constructed. And a rapid prototype experiment was carried out. The experimental study on dynamic performance and energy feedback capability of hybrid suspension was based on dSPACE development model. The corresponding control strategy was designed and the results indicated that the root mean square value of the body acceleration and the root mean square value of the tire dynamic displacement were compared with the simulation results. Multi-mode switching control model of the hybrid suspension can effectively switch and reach the switching target, help hybrid suspension with energy recovery and improve the comprehensive performance of the hybrid suspension.

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汪若塵,馬曉煒,丁仁凱,孟祥鵬,陳龍.基于模型參考的混合懸架多模式切換控制研究[J].農(nóng)業(yè)機械學報,2017,48(7):353-360. WANG Ruochen, MA Xiaowei, DING Renkai, MENG Xiangpeng, CHEN Long. Multi-mode Switching Control System for Hybrid Suspension Based on Model Reference[J]. Transactions of the Chinese Society for Agricultural Machinery,2017,48(7):353-360.

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  • 收稿日期:2016-10-25
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  • 在線發(fā)布日期: 2017-07-10
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