About: Sliding mode control

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In control systems, sliding mode control (SMC) is a nonlinear control method that alters the dynamics of a nonlinear system by applying a discontinuous control signal (or more rigorously, a set-valued control signal) that forces the system to "slide" along a cross-section of the system's normal behavior. The state-feedback control law is not a continuous function of time. Instead, it can switch from one continuous structure to another based on the current position in the state space. Hence, sliding mode control is a variable structure control method. The multiple control structures are designed so that trajectories always move toward an adjacent region with a different control structure, and so the ultimate trajectory will not exist entirely within one control structure. Instead, it will s

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rdf:type	software
rdfs:label	Gleitregimeregelung (de) Controllo sliding mode (it) Sterowanie ślizgowe (pl) Sliding mode control (en) 滑動模式控制 (zh)
rdfs:comment	Im Fachbereich der Regelungstechnik beschreibt eine Gleitregimeregelung (auch Gleitmodusregelung oder Sliding-Mode-Regelung, engl. sliding mode control) ein mathematisches Verfahren zur Regelung von linearen und nichtlinearen Systemen durch Einprägen eines unstetigen Stellsignals. Das Regelgesetz eines Gleitregimereglers wird so gewählt, dass es den Systemzustand in endlicher Zeit auf einen Unterraum der möglichen Systemzustände bringt, der vorteilhafte Eigenschaften aufweist. Im Anschluss sichert das Regelgesetz den Verbleib in dem als Gleitebene bezeichneten Unterraum. Das Regelgesetz wird dabei durch eine stückweise stetige Funktion beschrieben. (de) Con il termine controllo sliding mode (o sliding mode o sliding mode control) si fa riferimento a un controllore a struttura variabile in retroazione di stato che modifica il comportamento di un sistema non lineare forzandolo con un segnale di controllo in alta frequenza. (it) 滑動模式控制（sliding mode）簡稱SMC，是一種非線性控制的技術，利用不連續的控制信號來調整非線性系統的特性，強迫系統在二個系統的正常狀態之間滑動，最後進入穩態。其狀態-反饋控制律不是時間的連續函數。相反的，控制律會依目前在狀態空間中的位置不同，可能從一個連續的控制系統切換到另一個連續的控制系統。因此滑動模型控制屬於變結構控制。已針對滑動模型控制設計了許多的控制結構，目的是讓相空間圖中的軌跡可以前往和另一個控制結構之間相鄰的區域，因此最終的軌跡不會完全脫離某個控制結構。相反的，軌跡會在控制結構的邊界上「滑動」。這種沿著控制結構之間邊界滑動的行為稱為「滑動模式」而包括邊界在內的幾何轨迹稱為滑動曲面（sliding surface）。在現代控制理論的範圍中，任何變結構系統（例如滑動模式控制）都可以視為是併合系統的特例，因為系統有些時候會在連續的狀態空間中移動，也時也會在幾個離散的控制模式中切換。 (zh) In control systems, sliding mode control (SMC) is a nonlinear control method that alters the dynamics of a nonlinear system by applying a discontinuous control signal (or more rigorously, a set-valued control signal) that forces the system to "slide" along a cross-section of the system's normal behavior. The state-feedback control law is not a continuous function of time. Instead, it can switch from one continuous structure to another based on the current position in the state space. Hence, sliding mode control is a variable structure control method. The multiple control structures are designed so that trajectories always move toward an adjacent region with a different control structure, and so the ultimate trajectory will not exist entirely within one control structure. Instead, it will s (en) Sterowanie ślizgowe, sterowanie z ruchem ślizgowym, sterowanie z reżimem ślizgowym (SMC ang. Sliding Mode Control ) – metoda sterowania układami nieliniowymi, która zmienia dynamikę układu nieliniowego poprzez zastosowanie nieciągłego sygnału sterującego, co wymusza „ślizganie się” układu wzdłuż, na wskroś normalnego zachowania systemu. (pl)
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dcterms:subject	Nonlinear control
Wikipage page ID	371255 (xsd:integer)
Wikipage revision ID	1112352853 (xsd:integer)
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