Output-Feedback Multi-Loop Positioning Technique via Dual Motor Synchronization Approach for Elevator System Applications

Hyo Chan Lee, Hyeoncheol Lee, Jae Kwang Lee, Hyun Duck Choi, Kyunghwan Choi, Yonghun Kim () and Seok-Kyoon Kim ()
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Hyo Chan Lee: Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
Hyeoncheol Lee: Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
Jae Kwang Lee: Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Republic of Korea
Hyun Duck Choi: Department of ICT Convergence System Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
Kyunghwan Choi: School of Mechanical Engineering, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
Yonghun Kim: School of Mechanical Engineering, Chungnam National University, Daejeon 34134, Republic of Korea
Seok-Kyoon Kim: Department of Creative Convergence Engineering, Hanbat National University, Daejeon 34158, Republic of Korea

Energies, 2022, vol. 15, issue 23, 1-20

Abstract: This paper devises an output-feedback multi-loop positioning technique adopting the speed observer and multi-motor synchronizer, targeting the dual (master and slave) motor elevator system applications, providing the three contributions. First, the order-reduction observer continuously extracts the speed information from the motor position measurement, independent of the system model information. Second, the order-reduction stabilizer accomplishes the speed synchronization tasks for both the master and slave motors. Third, the resultant feedback system guarantees to exponentially recover the desired first-order transfer function from the reference to the actual motor position despite the model-plant mismatches. The prototype elevator system adopting the dual motor experimentally validates the practical advantages of the proposed technique.

Keywords: elevator system; motor positioning; dual motor synchronization; order-reduction; active damping (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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