توجه: محتویات این صفحه به صورت خودکار پردازش شده و مقاله‌های نویسندگانی با تشابه اسمی، همگی در بخش یکسان نمایش داده می‌شوند.
۱Synchronization of two Non–Identical 4–D Chaotic Systems Using Active Second Order Sliding Mode Control
اطلاعات انتشار: پنجمین کنفرانس ملی مهندسی برق و الکترونیک ایران، سال
تعداد صفحات: ۷
In This paper an active second order sliding mode controller for synchronization two non–identical 4–D Lorenz–Stenflo (LS) and a new four–dimensional chaotic system (Qi) in the presence of uncertainties is proposed. Because of existence extreme nonlinearity behaviour and chattering problem we design active second order sliding mode controller to solve this problems. The designed controller ensures that the state variables of the controlled chaotic slave LS and Qi systems globally synchronizes with the state variables of the master systems respectively. It is also shown that two non–identical 4–D systems globally synchronize with LS system under the active second order sliding mode control. Numerical simulations are presented in this paper to evaluate the analysis and effectiveness of the controller.<\div>

۲Nonlinear Control for an Uncertain Magnetic Ball Levitation System Via Super–Twisting Algorithm
اطلاعات انتشار: دومین کنفرانس ملی ایده های نو در مهندسی برق، سال
تعداد صفحات: ۷
In This paper, we propose a nonlinear control for an uncertain magnetic ball levitation system. We address the design schemes of sliding mode control. Because of existence extreme nonlinearity behaviour and chattering problem we design a second order sliding mode controller with super–twisting algorithm to solve this problem. Numerical simulations are presented in this paper to evaluate the analysis and effectiveness of the controller. The proposed controllers guarantee the asymptotic regulation and stability of the states of the system to their desired values. Robustness of the control schemes to changes in the parameters of the system is also investigated<\div>

۳Synchronization of Two Totally Different 4–D Chaotic Systems Using Finite Time Second Order Sliding Mode Control With Fully Unknown Parameter
اطلاعات انتشار: دومین کنفرانس ملی ایده های نو در مهندسی برق، سال
تعداد صفحات: ۷
In This paper an active finite time second order sliding mode controller for synchronization two non–identical 4–D Lorenz Stenflo (LS) and a new four dimensional chaoticsystem (Qi) in the presence of uncertainties is proposed. Because of existence extreme nonlinearity behaviour andchattering problem we design an active finite time secondorder sliding mode controller to solve these problems. The designed controller ensures that the state variables of thecontrolled chaotic slave LS and Qi systems globally synchronizes with the state variables of the master systemsrespectively. It is also shown that two non–identical4–D systems globally synchronize with LS system under the active finite time second order sliding mode control. Numericalsimulations are presented in this paper to evaluate the analysis and effectiveness of the controller.<\div>

۴Intercepting into Non–Maneuvering Targets with Desired Impact Angle Using Second Order Nonsingular Terminal Sliding Mode Guidance
نویسنده(ها): ، ،
اطلاعات انتشار: دومین همایش ملی پژوهش های کاربردی در برق، مکانیک و مکاترونیک، سال
تعداد صفحات: ۸
Second order non–singular terminal sliding mode guidance for intercepting with desired impact angle in terminal phase is proposed in this paper. In order to satisfy the predefined impact angle and interception into target, a non–singular terminal sliding variable is introduced using line of sight angle error and line of sight angular rate. In reaching phase, second order sliding mode guidance law is designed in order to zeroing the sliding variable. Then in sliding phase, due to introducing non–singular terminal sliding variable, finite time stability of line of sight angle and line of sight angular rate is grantee without singularity in commanded acceleration as control signal. Numerical simulations are presented to illustrate the potential of the proposed guidance law<\div>

۵Title: Optimal Sliding Mode Guidance for Interceptors with Impact Angle Constraint
نویسنده(ها): ،
اطلاعات انتشار: همایش یافته های نوین در هوافضا و علوم وابسته، سال
تعداد صفحات: ۱۱
In this paper a new guidance law, based on sliding mode control theory and applied parameter optimization method, is proposed, which can minimize control effort and adjust impact angle to predefined value. The optimal value of controller gains is achieved with PSO method. In order to satisfy intercept with target the parallel navigation idea has been used and for impact with desired angle a particular sliding variable has been introduced. Therefore the sliding variable is based on line of sight angle error and its angular rate. This sliding variable reaches to zero in finite time in the presence of uncertainties. Numerical simulations are presented to illustrate the potential of the proposed method.<\div>

۶Title: Second Order Nonsingular Terminal Sliding Mode Guidance Law for Intercepting with Desired Impact Angle
نویسنده(ها): ،
اطلاعات انتشار: همایش یافته های نوین در هوافضا و علوم وابسته، سال
تعداد صفحات: ۱۴
Second order non–singular terminal sliding mode guidance for intercepting with desired impact angle in terminal phase is proposed in this paper. In order to satisfy the predefined impact angle and interception into target, a non–singular terminal sliding variable is introduced using line of sight angle error and line of sight angular rate. In reaching phase in the presence of uncertainties such as target maneuvers, second order sliding mode guidance law and sliding mode observer is designed in order to zeroing the sliding variable. Then in sliding phase, due to introducing non–singular terminal sliding variable, finite time stability of line of sight angle and line of sight angular rate is grantee without singularity in commanded acceleration as control signal. Numerical simulations are presented to illustrate the potential of the proposed guidance law.<\div>
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