Open Access


Loss Analysis of Electromagnetic Linear Actuator Coupling Control Electromagnetic Mechanical System

Jiayu Lu1, Qijing Qin1, Cao Tan1,*, Bo Li1, Xinyu Fan2
1 School of Transportation and Vehicle Engineering, Shandong University of Technology, Zibo, 255000, China
2 School of Energy and Power, Jiangsu University of Science and Technology, Zhenjiang, 212000, China
* Corresponding Author: Cao Tan. Email:

Energy Engineering 2021, 118(6), 1741-1754.

Received 13 November 2020; Accepted 18 March 2021; Issue published 10 September 2021


As an energy converter, electromagnetic linear actuators (EMLAs) have been widely used in industries. Multidisciplinary methodology is a preferred tool for the design and optimization of EMLA. In this paper, a multidisciplinary method was proposed for revealing the influence mechanism of load on EMLA’s loss. The motion trajectory of EMLA is planned through tracking differentiator, an adaptive robust control was adopted to compensate the influence of load on motion trajectory. A control-electromagnetic-mechanical coupling model was established and verified experimentally. The influence laws of load change on EMLA’s loss, loss composition and loss distribution were analyzed quantitatively. The results show that the data error of experiment, and simulation result of input energy, mechanical work, and iron loss is less than 3%. The iron loss accounts for less than 54.9% of the total loss under no-load condition, while the iron loss increases with the increase of load. For iron loss distribution, only the percentage of inner yoke keeps increasing with the increase of load. The composition and distribution of loss are the basis of thermal analysis and design.


Multidisciplinary methodology; electromagnetic linear actuator; loss analysis; control method; coupling model

Cite This Article

Lu, J., Qin, Q., Tan, C., Li, B., Fan, X. (2021). Loss Analysis of Electromagnetic Linear Actuator Coupling Control Electromagnetic Mechanical System. Energy Engineering, 118(6), 1741–1754.


This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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