Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to b...Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to be determined with compromise among the rise time,undershoot,robustness and capability to reject disturbance of the closed loop system.The former two specifications can be assessed quantitatively and the latter two qualitatively.Examples show that the proposed method has significant improvements and wide applicable ranges for inverse response process.展开更多
有效的访问控制是数字版权管理(DRM:Digital Rights Management)的基础和前提。针对传统DRM方案在静态授权、粗粒度方面的不足,以UCON(Usage Control)过程控制模型的基本方法为基础,设计新的DRM授权规则。该规则通过细分主客体属性和权...有效的访问控制是数字版权管理(DRM:Digital Rights Management)的基础和前提。针对传统DRM方案在静态授权、粗粒度方面的不足,以UCON(Usage Control)过程控制模型的基本方法为基础,设计新的DRM授权规则。该规则通过细分主客体属性和权利类型,建立细粒度的授权,通过访问过程中属性判断、责任判断和条件判断实现DRM授权的过程动态性。展开更多
文摘Smith predictor known as the time delay compensator was extended to control the process with inverse response.Modern robust control theory was employed to design the robust controller,which has only one parameter to be determined with compromise among the rise time,undershoot,robustness and capability to reject disturbance of the closed loop system.The former two specifications can be assessed quantitatively and the latter two qualitatively.Examples show that the proposed method has significant improvements and wide applicable ranges for inverse response process.
文摘有效的访问控制是数字版权管理(DRM:Digital Rights Management)的基础和前提。针对传统DRM方案在静态授权、粗粒度方面的不足,以UCON(Usage Control)过程控制模型的基本方法为基础,设计新的DRM授权规则。该规则通过细分主客体属性和权利类型,建立细粒度的授权,通过访问过程中属性判断、责任判断和条件判断实现DRM授权的过程动态性。
