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It is well known that interactions between weakly damped LC input filters and constant power loads (CPL) can lead to instability. This paper deals, in particular, with this problem when several CPL are connected to the network through undamped LC filters. The second goal is the energy management. They are mainly achieved by controlling the energy flow between the network and a storage device. The...
It is known that a constant power load connected to DC electrical network may lead to instability problems on the DC-link variables. This paper addresses this problem of instability. To do this, a supercapacitor which is an energy storage element connected to the network is used to stabilize. To achieve this goal, a nonlinear control law based on backstepping approach is synthesised and robustness...
This paper is an attempt to provide a solution to the problem of state estimation of dynamical systems, when no measured output is available, through the example of a unicycle-type mobile robot. The latter is only equipped with encoders on each wheel which provide information only about the system's inputs (see equations (1) and (2)). As is the case in most real situations, in this work, it is also...
In this paper, the application of the Sliding Mode Theory, in terms of observer and control design, to the DC-DC Single-Ended Primary Inductor Converter (SEPIC) is investigated. The choice and influence of the sliding surface regarding the state vector is presented. Usual sliding surfaces chosen to control other high order DC-DC converters are found not to work on the SEPIC. Thus, other surfaces are...
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