# An improved neuroendocrine–proportional–integral–derivative controller with sigmoid-based secretion rate for nonlinear multi-input–multi-output crane systems

> Research article (Journal of low frequency noise, vibration and active control, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2967257136](https://www.wikidata.org/wiki/openalex:W2967257136)  
**Source**: https://4ort.xyz/entity/an-improved-neuroendocrineproportionalintegralderivative-controller-with-sigmoid-based-secretion-rate-for-nonlinear-mult