Abstract Considering conventional iterative learning control (ILC) is actually an open-loop control approach within each batch, which cannot guarantee the control performance of batch process when uncertainties and disturbances exist, an integrated iterative learning control scheme is presented in this paper. The proposed approach systematically integrates continuous-time information along with time-axis and discrete-time information along with batch-axis into one uniform frame, namely an internal model control (IMC)based PID control along time-axis, while the optimal ILC along batch-axis. As a result, the operation policy of batch process leads to superior tracking performance and better robustness compared with conventional ILC strategy. An illustrative example is exploited to verify the effectiveness of the investigated approach.


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