AAC 2019 Paper Abstract

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Paper ThAT2.5

Ruan, Diwang (Technical University of Berlin), Xie, Hui (Tianjin University), Song, Kang (Tianjin University), Zhang, GuiHui (Tianjin University)

Adaptive Speed Control Based on Disturbance Compensation for Engine-Dynamometer System

Scheduled for presentation during the Invited Session "Combustion Engine Control" (ThAT2), Thursday, June 27, 2019, 11:50−12:10, Chenonceau

9th IFAC International Symposium on Advances in Automotive Control, June 23-27, 2019, Orléans, France

This information is tentative and subject to change. Compiled on March 28, 2024

Keywords Plant Modelling and System Identification, Hardware-in-the-loop Simulation

Abstract

The speed control is a loop of much significance in engine-dynamometer test bench. To solve problems resulting from traditional PID in present industry, such as a long tuning period of controller parameters and degraded dynamical speed control performance after a change of bench configuration or parameters, a new control method based on disturbance compensation and model reference adaptive control was proposed. Extended state observer was used to estimate and compensate the uncertainties and disturbance both inside and outside the system, and feedback control law was updated based on Lyapunov function, with control parameters identified online by recursive least square. The simulation results show that the proposed control method can improve speed control precision in the engine-dynamometer system. Furthermore, the calibrating effort in control parameters can be sharply reduced.

 

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