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因為投影儀和投影幕需要固定在吊頂之上,而通常我們的吊頂是用石膏板封板的,石膏板是沒法固定的,所以切記此處要提醒木工老師用木工板封板。、弱電智能化的預(yù)埋底盒采用86盒(專用底盒除外),避免使用連體底盒;因為智能化的面板基本是專用面板,如果采用連體底盒,面板將會扣不起來。不像強(qiáng)電面板,已經(jīng)經(jīng)過長久的積累,產(chǎn)品數(shù)量很豐富,可以用連體盒?!? 參考文獻(xiàn)(References): ?。? ]Salas V,Ol237。as E,Barrado A,et al. Review of the maximum power point tracking algorithms for standalone photovoltaic systems [J]. Solar Energy Materials & SolarCells,2006,90(11): 15551578. ?。? ]Desai H P,Patel H K. Maximum power point algorithm in PV generation: an overview [A]. IEEE PEDS39。07 [C]. 2007. 624630. [3 ]Femia N,Petrone G,Spagnuolo G,et al. Perturb and observe MPPT technique robustness improved [A]. IEEE International Symposium on Industrial Electronics [C].2004. 845850. [4 ]Femia N,Petrone G,Spagnuolo G,et al. Optimizing sampling rate of P&O MPPT technique [J]. IEEE Aerospace and Electronic Systems,2007,43 ( 3 ):934950. [5 ]馮博,趙爭鳴,張穎超,等(Feng Bo,Zhao Zhengming,Zhang Yinchao,et al. ). 基于滑??刂频腖ED 恒流電源研究( Research on constant current source for LED based on sliding mode control) [J]. 電工電能新技術(shù)(Adv. Tech. of Elec. Eng. & Energy),2008,27(4):913. [6 ]Wu Libo,Zhao Zhengming,Liu Jianzheng,et al. Implementation of a standalone photovoltaic lighting system with maximum power point tracking and high pressure sodium lamp [A]. IEEE Power Electronics and Drive Systems [C]. 2003. 15701573. ?。? ]吳理博,趙爭鳴,劉建政,等(Wu Libo,Zhao Zhengming,Liu Jianzheng,et al. ). 獨(dú)立光伏照明系統(tǒng)中的能量管理控制(A novel energy management and control for standalone photovoltaic lighting system) [J]. 中國電機(jī)工程學(xué)報(Proc. CSEE),2005,25(22): 6872. ?。? ]Mathworks Corp. Embedded Target for TI C2000 ( tm) DSP [Z ]. MATLAB R2007b Helping Files system,2007.20