Circuit theory - Resistor function for dynamic non linear circuits

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SUMMARY

The discussion centers on L. Chua's paper regarding dynamic non-linear circuit analysis, specifically Theorem 2 in section 3.2, which addresses the existence of the resistor function. The author challenges the assertion that conditions 1-3 are necessary for this existence, arguing that counterexamples, such as an a-dynamic non-linear resistor with an i-v characteristic described by a Lipschitz function, demonstrate that only the first condition is necessary. This critique highlights the need for a deeper understanding of the conditions outlined in the theorem.

PREREQUISITES
  • Understanding of dynamic non-linear circuit analysis
  • Familiarity with Theorem 2 from L. Chua's work
  • Knowledge of Lipschitz functions and their application in circuit theory
  • Basic concepts of resistor functions in electrical engineering
NEXT STEPS
  • Review L. Chua's paper on dynamic circuits for a comprehensive understanding of Theorem 2
  • Study counterexamples in circuit theory to grasp the implications of non-linear characteristics
  • Investigate the properties of Lipschitz functions in the context of circuit analysis
  • Explore advanced topics in non-linear circuit design and analysis techniques
USEFUL FOR

Electrical engineers, circuit designers, and researchers in non-linear circuit analysis will benefit from this discussion, particularly those interested in the theoretical foundations of resistor functions and dynamic circuit behavior.

cianfa72
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TL;DR
About necessary conditions for the existence of "Resistor function" for a generic dynamic non linear network
Hi,

I'm reading the following paper (L. Chua) about the state-of-art of dynamic non linear circuit analysis -- Chua_Dynamic_Circuits

I've a doubt about Theorem 2 on section 3.2 On the Existence of the Resistor Function that establishes sufficient conditions for the existence of network "Resistor function". In the rest of the paper it is said that conditions 1-3 of Theorem 2 are actually necessary for the existence of the resistor function.

I believe it is incorrect because, as mentioned before in the paper, we can build counterexamples to show that is not the case (take for instance an a-dynamic non linear "resistor" having an i-v voltage-controlled characteristic described by a Lipschitz function). Actually the necessary condition should be just the first one.

What do you think about ?
 
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Any help ? thanks
 

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