The build-up rate of the bottom hole assembly (BHA) fluctuates violently during the deviation correction in the vertical drilling process due to the mutation of stratum, low operation accuracy of the ...

All real word process are nonlinear in nature, control of such process is still challenging. Two interacting conical tank process is a one such nonlinear process. First order plus dead time model ...

Our ethos is written on the wall of the RTCC: ‘Great power requires greater responsibility,'” Barnes writes. “As part of the Surveillance Ordinance process and in collaboration with the Executive and ...