北京生物醫(yī)學(xué)工程

基于Java3D的虛擬飛機(jī)腦機(jī)交互應(yīng)用系統(tǒng)設(shè)計

Design of virtual aircraft application system in BCI based on Java3D

作者：程智楊幫華

單位：                      上海大學(xué)機(jī)電工程與自動化學(xué)院自動化系(上海200072)        

關(guān)鍵詞： Java3D；虛擬飛機(jī)；腦機(jī)交互

分類號：

出版年·卷·期（頁碼）：2014·33·2（131-134）

摘要：

目的本文基于Java3D設(shè)計了虛擬飛機(jī)腦機(jī)交互(brain computer interface,BCI)應(yīng)用系統(tǒng)，研究BCI對虛擬飛機(jī)的控制效果。方法通過TCP/IP協(xié)議將BCI中對腦電信號(electroencephalogram,EEG)分析處理的結(jié)果傳給Java3D應(yīng)用系統(tǒng),進(jìn)而將結(jié)果轉(zhuǎn)換成對應(yīng)的控制命令，實現(xiàn)實時控制虛擬飛機(jī)的飛行，可以直觀反映并檢驗BCI的控制效果。應(yīng)用系統(tǒng)的設(shè)計分為兩個步驟：一是搭建三維虛擬場景，其中包括建立場景模型和設(shè)計場景的布局；二是虛擬飛機(jī)飛行控制的設(shè)計，以實現(xiàn)飛機(jī)前進(jìn)和旋轉(zhuǎn)的飛行控制。結(jié)果本應(yīng)用系統(tǒng)能夠?qū)崟r正確通過TCP/IP接收EEG信號的分析結(jié)果，實時控制虛擬飛機(jī)的連續(xù)飛行運動。結(jié)論初步驗證了Java3D應(yīng)用系統(tǒng)的可行性，為BCI應(yīng)用系統(tǒng)的設(shè)計提供了新的方法和發(fā)展方向。

Objective A virtual aircraft application system in brain computer interfaces(BCIs) based on Java3D is designed in this paper.Methods The results of the processed electroencephalogram(EEG) signals in BCIs are transmitted to the Java3D application system through the TCP/IP protocol.These results are then converted into real-time control commands to achieve the real-time control to the designed virtual aircraft flight.The application system can intuitively reflect and test the control effects of a BCI.The system design contains two steps.Firstly,a virtual scene is set up.Some models are built and the layout of the scenes is arranged.Secondly,the virtual aircraft is designed to move forward and rotate continuously.Results The application system can receive the analyzed results of EEG signals to direct continuous flight of a virtual aircraft in real time.Conclusions The results preliminarily verify the feasibility of Java3D application system and present a good foundation and direction for the design of BCI application system.

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