...
首页> 外文期刊>IEEE Transactions on Automatic Control >Word length of pulse transfer function for small sampling periods
【24h】

Word length of pulse transfer function for small sampling periods

机译:小采样周期的脉冲传递函数的字长

获取原文
获取原文并翻译 | 示例
           

摘要

Discrete-time systems composed of sampler, zero order hold and continuous-time plants are investigated. The well-known Astrom et al.'s (1984) theorem in a reformulated version is first proved and then utilized for estimating the length of a digital word needed for recording the pulse transfer function parameters, in the case of small sampling periods. The estimated length, assuring a prescribed accuracy of the model, is somewhat larger than that obtained from Kaiser's (1965) condition of nondestabilization of the model. It is shown that only nonzero poles of the plant transfer function cause an increase of the word length; the zero poles and the zeros of the latter transfer function have no influence on this length. The calculations performed for several examples confirm the correctness of the proposed approach
机译:研究了由采样器,零阶保持和连续时间工厂组成的离散时间系统。在小采样周期的情况下,首先证明了公知的Astrom等人(1984)定理的形式,然后用于估计记录脉冲传递函数参数所需的数字字的长度。确保模型具有规定精度的估计长度要比从Kaiser(1965)对模型的非稳定化条件所获得的长度要大一些。结果表明,只有植物传递函数的非零极点导致字长增加;后极传递函数的零极点和零点对此长度没有影响。对几个示例进行的计算证实了所提出方法的正确性

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号