Design method of three-layer collaborative control technology chain for control-intensive products

To address multi-state transformation and the precise control requirements of control-intensive products, a three-layer progressive and collaborative control technology chain design method-Structure-Control-Microcosm-is proposed, filling the research gap in practical paths for TRIZ-based technological evolutionary dynamics. This method converts qualitative evolutionary laws into repeatable workflows through scenario state analysis, dynamic component identification, macro control technology chain construction, and micro control technology chain optimisation. It specifies inputs, operational steps, decision criteria, and outputs, validated through a vascular interventional robot case study. Results show the method outperforms traditional design in solution completeness, novelty, and control robustness. Contributions: (I) collaborative logic between technological evolutionary dynamics and control technology development; (II) integrated closed-loop control optimisation path; and (III) validation through vascular interventional robots and novel controllable strollers.