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基于T-S模型的一类非线性系统的鲁棒跟踪控制 被引量:1
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作者 于洋 王巍 《辽宁工业大学学报(自然科学版)》 2013年第4期220-222,226,共4页
针对一类非线性系统,研究基于T-S模型的跟踪控制问题。利用T-S模型对非线性系统建模并考虑到建模误差。非线性系统的跟踪目标是一个稳定的线性模型。针对被控系统的跟踪误差,推导出跟踪误差稳定的约束条件。在跟踪误差稳定的前提下,设... 针对一类非线性系统,研究基于T-S模型的跟踪控制问题。利用T-S模型对非线性系统建模并考虑到建模误差。非线性系统的跟踪目标是一个稳定的线性模型。针对被控系统的跟踪误差,推导出跟踪误差稳定的约束条件。在跟踪误差稳定的前提下,设计模糊控制器保证系统的稳定性。基于李亚普诺夫稳定性理论和线性矩阵不等式理论,得到闭环系统渐进稳定的充分条件。仿真结果验证了所提控制方法的有效性。 展开更多
关键词 跟踪控制 T-S模型 建模误差 线性矩阵不等式
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Generating native user interfaces for multiple devices by means of model transformation
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作者 Ignacio MARIN Francisco ORTIN +1 位作者 German PEDROSA Javier RODRIGUEZ 《Frontiers of Information Technology & Electronic Engineering》 SCIE EI CSCD 2015年第12期995-1017,共23页
In the last years, the types of devices used to access information systems have notably increased using different operating systems, screen sizes, interaction mechanisms, and software features. This device fragmentati... In the last years, the types of devices used to access information systems have notably increased using different operating systems, screen sizes, interaction mechanisms, and software features. This device fragmentation is an important issue to tackle when developing native mobile service front-end applications. To address this issue,we propose the generation of native user interfaces(UIs) by means of model transformations, following the modelbased user interface(MBUI) paradigm. The resulting MBUI framework, called LIZARD, generates applications for multiple target platforms. LIZARD allows the definition of applications at a high level of abstraction, and applies model transformations to generate the target native UI considering the specific features of target platforms. The generated applications follow the UI design guidelines and the architectural and design patterns specified by the corresponding operating system manufacturer. The objective is not to generate generic applications following the lowest-common-denominator approach, but to follow the particular guidelines specified for each target device. We present an example application modeled in LIZARD, generating different UIs for Windows Phone and two types of Android devices(smartphones and tablets). 展开更多
关键词 model-to-model transformation Native user interfaces Model-based user interfaces Model-driven engineering
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