最新推出的行情发布产品,基于通用的传输协议为国内外传统的技术分析软件提供实时的行情和历史数据的行情接口,支持将倚天财经发布的沪深股票,国内期货-Quotes latest release products, based on a common transmission protocol for domestic and foreign traditional technical analysis software to provide real-time prices and historica

针对LPG电喷发动机过渡工况空燃比难于精确控制的特点，提出了一种将改进Elman神经网络和常规 PI控制算法相结合的空燃比控制方法.其中Elman神经网络用于实现无传输延迟空然比信号的预测，常规PI控制器利用预测信号实现过渡工况下空然比的实时反馈控制.-LPG EFI engine for transient air fuel ratio is difficult to precisely control the characteristics of the improved Elman p