Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes

Defeng He; Shiming Yu; Li Yu

doi:10.1016/j.cjche.2015.07.005

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Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes

过程系统工程与过程安全 | Updated：2026-01-06

- Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes
- Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes
- 中国化学工程学报（英文版） 2015年23卷第10期页码：1662-1669
- Affiliations：
  
  College of Information Engineering, Zhejiang University of Technology,Hangzhou,China,310023
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.07.005
  中图分类号：
- 纸质出版：2015
- Accepted：
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Defeng He, Shiming Yu, Li Yu. Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes[J]. 中国化学工程学报（英文版）, 2015,23(10):1662-1669.

Defeng He, Shiming Yu, Li Yu. Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes[J]. Chin.J.Chem.Eng., 2015, 23(10): 1662-1669.
Defeng He, Shiming Yu, Li Yu. Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes[J]. 中国化学工程学报（英文版）, 2015,23(10):1662-1669. DOI： 10.1016/j.cjche.2015.07.005.

Defeng He, Shiming Yu, Li Yu. Multi-objective nonlinear model predictive control through switching cost functions and its applications to chemical processes[J]. Chin.J.Chem.Eng., 2015, 23(10): 1662-1669. DOI： 10.1016/j.cjche.2015.07.005.

摘要

Abstract

This paper proposes a switching multi-objective model predictive control (MOMPC) algorithm for constrained nonlinear continuous-time process systems. Different cost functions to be minimized inMPC are switched to satisfy different performance criteria imposed at different sampling times. In order to ensure recursive feasibility of the switching MOMPC and stability of the resulted closed-loop system

the dual-mode control method is used to design the switching MOMPC controller. In this method

a local control law with some free-parameters is constructed using the control Lyapunov function technique to enlarge the terminal state set of MOMPC. The correction termis computed if the states are out of the terminal set and the free-parameters of the local control laware computed if the states are in the terminal set. The recursive feasibility of the MOMPC and stability of the resulted closed-loop system are established in the presence of constraints and arbitrary switches between cost functions. Finally

implementation of the switching MOMPC controller is demonstrated with a chemical process example for the continuous stirred tank reactor.

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