For anyone else who went down a rabbit hole - this paper describes the problem control systems present for these methodologies: https://www.sciencedirect.com/sc

For anyone else who went down a rabbit hole - this paper describes the problem control systems present for these methodologies: https://www.sciencedirect.com/science/article/abs/pii/B9780128189481000046 https://www.sciencedirect.com/science/article/abs/pii/B97801... (paywalled link, but it's available on a well-known useful website)