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    • 33. 发明申请
    • Multi-Mode Convergence Method, Multi-Mode Combination Method, and Devices Thereof
    • 多模式收敛方法,多模式组合方法及其设备
    • US20100296469A1
    • 2010-11-25
    • US12784990
    • 2010-05-21
    • Taoyuan ZhouJiangchun GuAihua HuYong Zhang
    • Taoyuan ZhouJiangchun GuAihua HuYong Zhang
    • H04W72/04
    • H04W28/02H04W16/14H04W28/10H04W88/085
    • A multi-mode convergence method, a multi-mode combination method, and devices thereof are provided. The multi-mode convergence method includes the following steps. Data from multi-mode base band units (BBUs) is received and separated into downlink service data and operation maintenance data. A channel configuration is generated according to the operation maintenance data. The downlink service data of a corresponding mode is selected according to the channel configuration, and the downlink service data and the operation maintenance data are consolidated, and the consolidated data is sent to corresponding remote radio unit (RRUs). The multi-mode convergence method, the multi-mode combination method, and devices thereof are adopted, so as to accomplish functions, such as multi-mode and pseudo noise (PN) multiplexing, to decrease complexity of a multi-mode system, and provide a function of multi-mode coexistent optical fiber
    • 提供了多模式收敛方法,多模式组合方法及其装置。 多模式收敛方法包括以下步骤。 来自多模式基带单元(BBU)的数据被接收并分离成下行链路服务数据和操作维护数据。 根据操作维护数据生成通道配置。 根据信道配置选择对应模式的下行业务数据,合并下行链路业务数据和操作维护数据,将合并后的数据发送给对应的远程无线单元(RRU)。 采用多模式融合方法,多模式组合方法及其装置,以实现多模和伪噪声(PN)复用等功能,降低多模系统的复杂度, 提供多模共存光纤的功能
    • 40. 发明授权
    • Robust process identification and auto-tuning control
    • 强大的过程识别和自整定控制
    • US06697767B2
    • 2004-02-24
    • US09978547
    • 2001-10-18
    • Qing-Guo WangTong-Heng LeeYong ZhangYu ZhangXue-Ping Yang
    • Qing-Guo WangTong-Heng LeeYong ZhangYu ZhangXue-Ping Yang
    • G06F1300
    • G05B11/42G05B13/042
    • This invention provides a novel process identification and control package for high performance. For process identification, a simple yet effective and robust identification method is presented using process step responses to give a continuous transfer function with time-delay without iteration. A new relay, called cascade relay, is devised to get more accurate and reliable points on the process frequency response. For controller tuning, the internal model principle is employed to design single-loop controller PID or high-order types with best achievable control performance. The process identification and control design parts can be easily integrated into control system auto-tuning package. Further, a general control scheme for disturbance rejection is given which can significantly improve disturbance rejection performance over conventional feedback systems with time delays. Practical issues such as noises, real-time implementation and tuning guidelines are also provided. The invention covers both open-loop and closed-loop testing, and single and multivariable cases.
    • 本发明提供了一种用于高性能的新型工艺识别和控制封装。 对于过程识别,使用过程步骤响应呈现简单而有效和鲁棒的识别方法,以在没有迭代的情况下给出具有时间延迟的连续传递函数。 设计了一种称为级联继电器的新继电器,以获得更准确可靠的点处理频率响应。 对于控制器调谐,采用内部模型原理来设计具有最佳可实现控制性能的单回路控制器PID或高阶类型。 过程识别和控制设计部件可以轻松集成到控制系统自动调整包中。 此外,给出了用于干扰抑制的一般控制方案,其可以显着地改善具有时间延迟的常规反馈系统的干扰抑制性能。 还提供了实际问题,如噪音,实时执行和调整指南。 本发明涵盖开环和闭环测试以及单变量和多变量情况。