The invention relates to a control system to which a state vector representing the states of a controlled system is applied. At least one CRA sensor is positioned between an edge of a pixel array and an edge of the FOV, at one or more predetermined lens height percentages. The ground clamp kit may also include an electric conductor that electrically connects the first clamp to the second clamp. The first light-emitting layer is formed by a different method from that used for the second light-emitting layer. 5 parts by dry weight of pigment of a salt. The article optionally comprises a transition layer between the environmental barrier layer and the top coat.