Robuta

https://www.arxiv.org/abs/cs/0007002
Abstract page for arXiv paper cs/0007002: Interval Constraint Solving for Camera Control and Motion Planning
constraint solvingcsintervalcameracontrol
https://www.slb.com/zh-cn/products-and-services/innovating-in-oil-and-gas/completions/well-completions/intelligent-completions/downhole-interval-control-valves/vana-interval-control-valve
Standard configurable multiposition interval control valves enable hydraulically actuated intelligent completion designs with enhanced flexibility.
interval controlvanavalvesslb