( Received: November 28, 2017 – Accepted in Revised Form: March 09, 2018 ) Abstract Fast andaccurate transient response is the main requirement in electric machineposition control. Conventional cascade control structure has sluggish responsedue to the limitation of inner control loop bandwidth. In this paper, in order to decreasethe Permanent Magnet Synchronous Motor (PMSM) transient response time it can beused reference model using feed-forward signals. Nastavlenie po svyazi vs rf. In this structure,feed-forward signals generated by simplified model of permanent magnetsynchronous motor. In this paper, feed-forward signals generated are emplyed inmodel predictive control; which are combined with conventional cascade controlstructure. Using this approach, a fast transient response and satisfactorytracking ability will be guaranteed. The proposed method is compared with themodel reference method and conventional cascade structure.

Simulation results showeda good performance of proposed method related to both methods. Verification ofsimulation results were carried out by experimental results Keywords Position Control; Permanent Magnet Motor; Model Predictive Control; Transient Response چکیده سرعت و دقتپاسخ گذرا مهمترین نیاز یک سیستم کنترل موقعیت ماشین الکتریکی است. ساختار مرسومکنترل آبشاری به علت دارا بودن پهنای باند نامناسب حلقه های داخلی دارای سرعت پاسخضعیفی است. در این مقاله، برای کاهش سرعت پاسخ موتور مغناطیس دائم از مدل مرجع بااستفاده از سیگنالهای پیش خور استفاده شده است.

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در این ساختار سیگنالهای پیش خوربوسیله مدل مرجع ساده شده موتور مغناطیس دائم تولید می شوند. در این مقاله اینسیگنالهای پیش خور که مورد استفاده روش ترکیبی کنترل پیش بین هستند با ساختارکنترل آبشاری ترکیب شده است.

با استفاده از این ایده سرعت پاسخ سریع با دقت بالا ونیز قابلیت دنبال کردن سیگنال مرجع تضمین شده است. نتایج شبیه سازی و آزمایشگاهیبر ایده مطرح شده صحه گذاشتند. References ‐ drive electric scooter with v ‐ belt continuously variable transmission', International Journal of Adaptive Control and Signal Processing, Vol.

7, (2015), 805-834.

Wheel Slide Protection Devices (WSPD) are employed in railway vehicles to maximize the average of the possible frictional braking force, which is a nonlinear function of the slip ratio of the wheel sets. In this paper, to control the WSPD, a low-order model is presented and un-modeled dynamics are considered as uncertainties. Due to the nonlinear dynamics of the system and presence of uncertainties, Adaptive Fuzzy Sliding-Mode Control (AFSMC) is employed to regulate the slip ratio towards the desired value.

The proposed controller employs a Pulse Width Modulation (PWM) technique to generate the braking torque. The second Lyapunov theorem is used to prove the closed-loop asymptotic stability. In the simulations, the switching dynamics of WSPD is considered and the multi-body dynamics method is used for modeling the longitudinal dynamics of ER24PC locomotive.