The coal reservoir is a kind of geologic body with considerable elasticity, and its response to stress is more sensitive......

NF-6风洞是一座增压、连续、高速回流式风洞,对各子系统的控制性能都有较高的要求.针对NF-6风洞对模型姿态系统控制性能提出的高要......

本文介绍了几种性能和鲁棒性较好的模糊－ＰＩＤ控制器。结构简单和较小的执行时间，使其在工为一控制领域得到了广泛的应用。......

Short-term prediction of traffic flow is one of the most essential elements of all proactive traffic control systems.The......

吉林延边地区目前年用一元立木材积表的误差，主要来源于估计各径阶高的误差。本文以双曲线为例，介绍三种多元树高曲线模型；称为自动调......