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車輪多分力傳感器靜態(tài)解耦方法
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    摘要:

    從標(biāo)定方法和解耦算法兩方面對車輪力傳感器靜態(tài)耦合特性進(jìn)行了研究。給出了詳細(xì)的標(biāo)定過程和樣本獲取方法,基于實(shí)際標(biāo)定樣本應(yīng)用3種回歸模型對多分力傳感器維間耦合進(jìn)行量化對比分析。結(jié)果表明:標(biāo)定主通道線性特性顯著;自行研制輪力傳感器靜態(tài)耦合率與國外產(chǎn)品相當(dāng);最小二乘支持向量回歸機(jī)回歸精度高、泛化能力強(qiáng)和算法穩(wěn)定;對標(biāo)準(zhǔn)正交最小二乘徑向基神經(jīng)網(wǎng)絡(luò)算法改進(jìn)回歸效果顯著。

    Abstract:

    Both calibration method and static decoupling algorithm were employed to analyze wheel force transducer (WFT). Firstly, the calibration procedure and extraction of sample data were presented in detail based on the self-developed hydraulic bench. Then, three decoupling methods were utilized respectively to quantify the coupling effects. The main findings are as the follows: the linearity of each main calibration channel is notable; the calculated rate of static coupling of the self-developed WFT is equal to the same-type foreign product; the least square support vector regression (LS-SVR) algorithm owns the characteristics of high regression precision, outstanding generalization and excellent algorithm stability; the method to modify the algorithm of the standard OLS-RBF NN (orthogonal least square radial-basis-function neural network) improves the regression performance significantly. 

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張小龍,馮能蓮,張為公,馬德貴.車輪多分力傳感器靜態(tài)解耦方法[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(4):18-23.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(4):18-23.

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