An isolated power controller for regulating 0 to full voltage, wherein the output is fully regulated, the power is bi-directional, and the output of the IPC is fed into an LC averaging filter. The storage layer includes a first layer formed on a side of the heater layer, and a second layer formed on the side of the tunnel barrier layer and having a Curie temperature higher than that of the first layer. The clamp networks are configured to drive a current between the chip ground and the chip substrate whenever the chip substrate begins to rise above the chip ground during turn on of the chip input voltage. The predictive speaker identifier operates in a learning mode to learn the characteristic profile of each participant in terms of the concept that the participant will speak or will not speak under the presence or absence of one or more predefined visual or acoustic cues. The cover plate and the damper body having protruding lip portions which allow removable access to data lines while providing an effective damper which retards heat and fire through a sleeve without damaging the data transmission lines. The sliding mode control is based on an engine model that represents the engine in terms of pressure and oxygen content states of the intake and exhaust manifolds and controllable flow rates.