In this paper closed-form conditions for predicting the boundary of period-doubling (PD) bifurcation or saddle-node (SN) bifurcation in a class of PWM piecewise linear systems are obtained from a time-domain asymptotic approach.Examples of switched system considered in this study are switching dc-dc power electronics converters, temperature control
Background: The indigenous KwaZulu-Natal Sandstone Sourveld (KZN SS) grassland Radiant Ink is highly endemic and species-rich, yet critically endangered and poorly conserved.Ecological threats to this grassland ecosystem are exacerbated by encroachment of woody plants, with severe negative environmental and economic consequences.Hence, there is an
One way to increase efficiency in the field Staubwedel / Staubbürste of construction is to develop and improve new progressive design forms that reduce the consumption of materials, the complexity of manufacturing and erection, and the cost.These include a variety of combined systems, including arched ones.Frameless arch systems have not been wide
The provisions of Article 22 of Law no.1 of 1974 concerning Marriage that a marriage can be annulled if the parties do not meet the requirements to enter into a marriage.Unlike the case with a marriage that does not fulfill the pillars of marriage, the consequences of the marriage are invalid and null Charms and void, meaning that the marriage is c