An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.

A driving system includes a first alternating-current rotary electrical machine and a second alternating-current rotary electrical machine. The driving system includes: a first inverter electrically connected to the first alternating-current rotary electrical machine; a second inverter electrically connected to a first end of each of phase windings constituting the second alternating-current rotary electrical machine; a step-up converter; and a third inverter that is electrically connected to a second end of each of the phase windings and transfers power to a second direct-current power source different from the first direct-current power source to drive the second alternating-current rotary electrical machine. The step-up converter raises an output voltage of the first direct-current power source and outputs the output voltage to the first inverter and the second inverter. The second direct-current power source and the first alternating-current rotary electrical machine are connected by a single connection route.

A driving system includes a first alternating-current rotary electrical machine and a second alternating-current rotary electrical machine. The driving system includes: a first inverter electrically connected to the first alternating-current rotary electrical machine; a second inverter electrically connected to a first end of each of phase windings constituting the second alternating-current rotary electrical machine; a step-up converter; and a third inverter that is electrically connected to a second end of each of the phase windings and transfers power to a second direct-current power source different from the first direct-current power source to drive the second alternating-current rotary electrical machine. The step-up converter raises an output voltage of the first direct-current power source and outputs the output voltage to the first inverter and the second inverter. The second direct-current power source and the first alternating-current rotary electrical machine are connected by a single connection route.

A driving system includes a first alternating-current rotary electrical machine and a second alternating-current rotary electrical machine. The driving system includes: a first inverter electrically connected to the first alternating-current rotary electrical machine; a second inverter electrically connected to a first end of each of phase windings constituting the second alternating-current rotary electrical machine; a step-up converter; and a third inverter that is electrically connected to a second end of each of the phase windings and transfers power to a second direct-current power source different from the first direct-current power source to drive the second alternating-current rotary electrical machine. The step-up converter raises an output voltage of the first direct-current power source and outputs the output voltage to the first inverter and the second inverter. The second direct-current power source and the first alternating-current rotary electrical machine are connected by a single connection route.

A driving system includes a first alternating-current rotary electrical machine and a second alternating-current rotary electrical machine. The driving system includes: a first inverter electrically connected to the first alternating-current rotary electrical machine; a second inverter electrically connected to a first end of each of phase windings constituting the second alternating-current rotary electrical machine; a step-up converter; and a third inverter that is electrically connected to a second end of each of the phase windings and transfers power to a second direct-current power source different from the first direct-current power source to drive the second alternating-current rotary electrical machine. The step-up converter raises an output voltage of the first direct-current power source and outputs the output voltage to the first inverter and the second inverter. The second direct-current power source and the first alternating-current rotary electrical machine are connected by a single connection route.

An energy harvester article configured to associate with a ferromagnetic flywheel having gear teeth is provided and includes a magnet, a first pole piece, wherein the first pole piece includes a first pole piece first end and a first pole piece second end, a second pole piece, wherein the second pole piece includes a first portion and a second portion configured into an “L” shape, and wherein the second portion is arranged to be substantially parallel with the first pole piece and separated from the first pole piece by a distance L, and a coil, wherein the coil is configured to be wrapped around the first pole piece proximate the first pole piece second end.

An energy harvester article configured to associate with a ferromagnetic flywheel having gear teeth is provided and includes a magnet, a first pole piece, wherein the first pole piece includes a first pole piece first end and a first pole piece second end, a second pole piece, wherein the second pole piece includes a first portion and a second portion configured into an “L” shape, and wherein the second portion is arranged to be substantially parallel with the first pole piece and separated from the first pole piece by a distance L, and a coil, wherein the coil is configured to be wrapped around the first pole piece proximate the first pole piece second end.

A hybrid electric vehicle (HEV) includes an inverter control system connected to a transmission such that the connection secures the inverter control system to the transmission during operation while allowing limited pivoting or rotating of the inverter control system relative to the transmission during a frontal collision to modify the translational motion and reduce or avoid loading of rigid objects or components between the inverter control system and the vehicle cabin or occupant compartment. Positioning of an electric cable conduit or connector near or adjacent to the pivot or rotational axis reduces translational force on the conductors to reduce or avoid damage during a frontal collision.

A hybrid electric vehicle (HEV) includes an inverter control system connected to a transmission such that the connection secures the inverter control system to the transmission during operation while allowing limited pivoting or rotating of the inverter control system relative to the transmission during a frontal collision to modify the translational motion and reduce or avoid loading of rigid objects or components between the inverter control system and the vehicle cabin or occupant compartment. Positioning of an electric cable conduit or connector near or adjacent to the pivot or rotational axis reduces translational force on the conductors to reduce or avoid damage during a frontal collision.

An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.