A core for a composite structure is described. Various voltage and amperage matching algorithms are manipulated to particularize the personal solar system to power andor charge an intended portable device or a set of intended portable devices having direct current load requirements. The information may include loyalty data indicating that the acquisition was paid for using a transaction card account that is to be reimbursed using loyalty points from the loyalty account. The speech segment and the sequence of time-stamped control vectors are retrieved from a storage device of the robotic system, or from an external source via an appropriate communication mechanism.