Springless LOA를 이용한 스트로크 및 포지션 제어

Stroke and Position Control for Springless LOA

The unbalanced reciprocation force due to armature reaction field decreases the advantage of moving coil linear motor, such as a high degree of linearity and controllability in the force and motion control. This paper firstly describes the coil inductance, and the unbalanced force. Secondly, the dynamic simulation algorithm considering the armature reaction effect and variable inductance is proposed. Thirdly, the control algorithm is proposed to reciprocate a load without mechanical spring at the required stroke and position. Finally, the validity of the proposed algorithm is confirmed by experiments.