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重型混合驅(qū)動車輛換擋過程主動調(diào)速控制技術(shù)
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-tuning Control in the Process of Gearshift for Heavy PSHEV
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    摘要:

    混合驅(qū)動車輛由于具有多個動力源從而使主動調(diào)速控制難度增大。研究了減小換擋操作元件操作沖擊的主動調(diào)速控制算法,提出了采用雙環(huán)控制結(jié)構(gòu)的主動調(diào)速控制。該算法包括兩個層次的轉(zhuǎn)速調(diào)節(jié):外環(huán)的換擋制動器/離合器主、被動端速差調(diào)節(jié)采用增量式PID控制;內(nèi)環(huán)的發(fā)動機(jī)、電動機(jī)、發(fā)電機(jī)部件的目標(biāo)轉(zhuǎn)速調(diào)節(jié)采用模糊控制。通過開發(fā)的混合驅(qū)動控制器ECU對算法進(jìn)行了在線臺架試驗標(biāo)定與驗證。試驗結(jié)果表明,設(shè)計的主動調(diào)速控制方法實現(xiàn)了調(diào)速部件的協(xié)同控制,可以保證換擋過程快速、平順地完成,換擋時間與沖擊度等指標(biāo)符合系統(tǒng)要求。

    Abstract:

    The active speed-tuning control in the process of gearshift can ensure the ideal gear-shifting quality and the driving performance. For parallel and series hybrid electric vehicle (PSHEV), the control is more difficult because of the multi-powers. The active speed-tuning control algorithm used to reduce the impingement of components and the duel-loop control algorithm was presented in this paper. The outer control loop based on the increment PID algorithm controlled the speed error between the active and passive components; the inner control loop based on the fuzzy control logic controlled the regulation of the engine, electric motor and the generator. The online tests on the bench were carried on using the ECU of PSHEV. The test results indicated that the active speed-tuning control algorithm could control the components working harmoniously and ensure a fast and smooth gearshift.

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王偉達(dá),李宏才,項昌樂,韓立金,劉亞輝.重型混合驅(qū)動車輛換擋過程主動調(diào)速控制技術(shù)[J].農(nóng)業(yè)機(jī)械學(xué)報,2010,41(8):1-5.-tuning Control in the Process of Gearshift for Heavy PSHEV[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(8):1-5.

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