Thq demand for high quality and good taste of cigarette is increasing as the standard of living is raised . to meet the demand , the cigarette factory has to continuously improve the quality control and receipt control of the production . this condition makes the high stability and precision of the electronic belt weighing conveyor more and more important 随着人民生活水平的提高，对卷烟质量和吸味的要求越来越高，这对烟厂来说，就是要不断提高卷烟生产过程的质量控制和配方控制，以满足市场要求，因此，电子皮带秤的高稳定性和高计量精度显得越来越重要。
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In study of the submarine movement in deep sea a new approach with fuzzy sliding - mode control and double - gene genetic algorithm is proposed for designing combined maneuvering control system of submarines . simulation results showed that the approach not only remains robustness of sliding - mode control , but also avoids thq effect of chattering phenomenon , possess better performance of the system 在研究潜艇在深海航行的操纵控制中，首次提出了具有双基因遗传算法的模糊滑模控制器的新方法，仿真结果表明了该方法不仅避免了抖振的影响，而且具有很好的系统性能。
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