首页> 外文会议>Industrial Electronics Society, 2001. IECON '01. The 27th Annual Conference of the IEEE >Modeling PWM DC-DC converter as discrete input/continuous output system and its application to system local controllability
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Modeling PWM DC-DC converter as discrete input/continuous output system and its application to system local controllability

机译:PWM DC-DC转换器作为离散输入/连续输出系统的建模及其在系统局部可控性中的应用

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Periodic nature is always overlooked whenever power stage of a PWM DC-DC converter is modeled as averaged or sampled-data system. So these models are not suitable for studying a generalized system in cascade to the converter-power-stage. As a result, the former studies of the system local controllability or observability were always application oriented. In this paper, the authors have modeled the power stage of converter as a discrete-input continuous-output linear system. Their way of obtaining the linear model is more direct than former sampled-data approaches. As an application of this model, they present a simple test depending on the converter parameters alone to verify the controllability of any linear system in cascade (which possibly can be a controller) to it. Their success in obtaining a controller independent test for controllability lies in the modeling of DC-DC converter in a more natural way. Examples have been granted to validate the results.
机译:每当将PWM DC-DC转换器的功率级建模为平均或采样数据系统时,周期性质总是会被忽略。因此,这些模型不适合研究级联到转换器功率级的通用系统。结果,以前对系统局部可控性或可观察性的研究始终以应用为导向。在本文中,作者将转换器的功率级建模为离散输入连续输出线性系统。他们获得线性模型的方法比以前的采样数据方法更直接。作为此模型的一种应用,他们仅根据转换器的参数就可以进行简单的测试,以验证级联的任何线性系统(可能是控制器)的可控性。他们获得可控性的独立于控制器的测试的成功在于更自然地对DC-DC转换器进行建模。实例已被批准以验证结果。

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