汽車主動前輪轉(zhuǎn)向和防抱死制動協(xié)調(diào)控制

doi:10.3969/j.issn.1000-1298.[year].[issue].[sequence]

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汽車主動前輪轉(zhuǎn)向和防抱死制動協(xié)調(diào)控制
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                        10.3969/j.issn.1000-1298.[year].3.[sequence]
                    
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摘要:

針對汽車轉(zhuǎn)向制動工況提出了一種主動前輪轉(zhuǎn)向和防抱死制動系統(tǒng)的協(xié)調(diào)控制方法,。分別設(shè)計了轉(zhuǎn)向控制器和制動系統(tǒng)控制器,，在分層協(xié)調(diào)控制思想的基礎(chǔ)上建立了上層協(xié)調(diào)控制器,，對兩個系統(tǒng)進行協(xié)調(diào)控制。仿真結(jié)果表明：采用此控制策略對主動前輪轉(zhuǎn)向和防抱死制動系統(tǒng)進行控制,，能夠改善車輛的操縱穩(wěn)定性和制動性能：車身橫擺角速度均方根值由0.0461rad/s降為0.0382rad/s,，車身橫向加速度均方根值由0.9352m/s2降為0.7886m/s2，制動距離由23.9845m減小為23.1092m,，前輪滑移率均方根值由0.1968增為0.1975,，后輪滑移率均方根值由

Abstract:

0.1965增為0.1981。A coordination control method of vehicle active front wheel steering and ABS on steering and braking conditions was presented. At first, steering system controller and ABS controller were designed separately, and then an upper coordination controller was set up based on an idea of delaminating control in order to coordinate the two subsystems. The simulation results showed that: the vehicle had better steering stabilization and braking performance by applying this method to control the active front wheel steering and ABS, the root mean square value of vehicle raw rate decreased from 0.0461 rad/s to 0.0382 rad/s, the root mean square value of lateral acceleration decreased from 0.9352m/s2 to 0.7886m/s2, the brake distance decreased from 23.9845 m to 23.1092 m, the root mean square value of slip rate of front wheel increased from 0.1968 to 0.1975, and slip rate of rear wheel increased from 0.1965 to 0.1981. 

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王其東,王霞,陳無畏,秦?zé)樔A.汽車主動前輪轉(zhuǎn)向和防抱死制動協(xié)調(diào)控制[J].農(nóng)業(yè)機械學(xué)報,2008,39(3):1-4.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(3):1-4.

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