Reliable fuzzy fault tolerant controller
    2.
    发明授权
    Reliable fuzzy fault tolerant controller 失效
    可靠的模糊容错控制器

    公开(公告)号:US4985824A

    公开(公告)日:1991-01-15

    申请号:US114988

    申请日:1987-10-30

    IPC分类号: G05B9/03 G05B13/02 G05B17/02

    摘要: The invention is a controller which provides continuous regulation of the output of a process or a plant as well as performing discrete control functions. The REFFTAC includes an adaptive direct digital controller (ADDC) as a primary expert controller and a fuzzy expert controller (FECD) as a backup controller. In case of an error or failure of the primary ADDC the control function is transferred via an interface system (INF) to the FEC, thus preventing any fault in the REFFTAC mission. The INF system is a simple fuzzy controller which includes means to verify the control action and a timer to assure proper control action. It also includes a simulator that performs a self diagnosis on both the ADDC and the FEC to assure fault tolerance. Also, the REFFTAC comprises learning expert units which stores correct control actions for direct application to save time and to provide a reference for the INF system.

    摘要翻译: 本发明是提供对过程或设备的输出的连续调节以及执行离散控制功能的控制器。 REFFTAC包括作为主要专家控制器的自适应直接数字控制器(ADDC)和作为备用控制器的模糊专家控制器(FECD)。 在主ADDC发生错误或故障的情况下,控制功能通过接口系统(INF)传送到FEC,从而防止REFFTAC任务中的任何故障。 INF系统是一个简单的模糊控制器,其包括验证控制动作的装置和一个定时器,以确保正确的控制动作。 它还包括一个在ADDC和FEC上执行自诊断以确保容错的模拟器。 此外,REFFTAC包括学习专家单元,其存储用于直接应用的正确控制动作以节省时间并为INF系统提供参考。