نتایج جستجو برای: variable structure system
تعداد نتایج: 3688807 فیلتر نتایج به سال:
This paper describes the design and experimental analysis of a Variable Structure Control (VSC) law using three reaching law strategies for a hydraulic servo control system. For this purpose we use a nonlinear mathematical model to develop a stable variable structure force control. The controller is designed using a sliding mode equivalence control and is augmented by reaching law approach to f...
in recent years, underactuated nonlinear dynamic systems trajectory tracking, such as space robots and manipulators with structural flexibility, has become a major field of interest due to the complexity and high computational load of these systems. hierarchical sliding mode control has been investigated recently for these systems; however, the instability phenomena will possibly occur, especia...
variable rate spray applications using proportional control systems can greatly reduce pesticide use and off-target contamination of environment in orchards. variable rate spraying of the canopy allows growers to apply pesticides only to the target, only use the correct quantity according to canopy size, season and growth stage and to apply plant protection products in an economic and environme...
current innovative lateral load carrying systems for tall buildings are those in which the lateral drift is limited to an allowable value without considerable influence on economy. this aim is achieved by using special systems capable of using maximum stiffness and strength capacity of individual structural elements. an effective structural solution in this respect is the use of outrigger brace...
This paper tries to study the relationship between organizational structure (structural dimensions) and employee’s empowerment. The study is a descriptive survey using ordered random sampling method. The statistical population is consisted if 600 people who are all employees of Finance Deputy of the Ministry of Finance and Economic Affairs. Data collection method handing out questionnaires, dev...
In this article, regulation of a distributed-parameter flexible beam is considered using variable structure control techniques. The proposed controller can stabilize the system exponentially and the converging speed can be set by the designer as desired. Different from existing variable structure controllers for flexible robots in the literature, the controller presented here is designed direct...
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