Cascade Second Order Sliding Mode Control for Permanent Magnet Synchronous Motor Drive

Abstract

This paper presents a cascade second-order sliding mode control scheme applied to a permanent magnet synchronous motor for speed tracking applications. The control system is comprised of two control loops for the speed and the armature current control, where the command of the speed controller (outer loop) is the reference of the q-current controller (inner loop) that forms the cascade structure. The sliding mode control algorithm is based on a single input-output state space model and a second order control structure. The proposed cascade second order sliding mode control approach is validated on an experimental permanent magnet synchronous motor drive. Experimental results are provided to validate the effectiveness of the proposed control strategy with respect to speed and current control. Moreover, the robustness of the second-order sliding mode controller is guaranteed in terms of unknown disturbances and parametric and modeling uncertainties.

Sensorless Fractional Order Control of PMSM Based on Synergetic and Sliding Mode Controllers

“…Additionally, to detect the faults of the current sensors on the supply phases of the PMSM, an FDO-type observer as described in Section 6 is embedded in the general control structure in Figure 7. Starting from Equations (17) and (18), which represent the transfer function of the fixed part of the PMSM rotor speed control system, for the nominal parameters presented in Table 1…”

“…The tuning of PI controllers by using Ziegler-Nichols methods is a well-known technique. In the fractional case, the FOMCON toolbox for the MATLAB utility program is used for the tuning of Starting from Equations (17) and (18), which represent the transfer function of the fixed part of the PMSM rotor speed control system, for the nominal parameters presented in Table 1, the theoretical transfer function of the fixed part is obtained:…”

Advanced Control for Electric Drives: Current Challenges and Future Perspectives

“…This approach takes into consideration the physical model of the UAV in the complex electromagnetic field and the main factors affecting the UAV to develop an adaptive weighted fusion algorithm to conduct analysis on the sensor data. In [11], a cascade second order sliding mode control (SMC) scheme was applied to a PMSM for speed and current control loops. This SMC technique includes an integral action and takes into consideration the nonlinear dynamics and uncertainties.…”

Model-Free Control Using Improved Smoothing Extended State Observer and Super-Twisting Nonlinear Sliding Mode Control for PMSM Drives

“…The sliding mode controller (SMC) strategy has become an important research branch in the field of automatic control. During the past few decades, various SMC strategies have been widely used in the PMSM speed control system such as fractional order SMC [11,12], integral SMC [13], fuzzy SMC [14,15], high-order SMC [16] and non-singular terminal SMC [17]. As a high-order SMC algorithm, the super-twisting (ST) structure has been widely studied by many scholars.…”