1
Lee Gregor Hofmann, William Anders Peterson, Garey George Roden: Energy management system for hybrid electric vehicles. Lockheed Martin Control Systems, Lerner David Littenberg Krumholz & Mentlik, May 15, 2001: US06230496 (91 worldwide citation)

An energy control unit for a hybrid vehicle is operable to control stored energy of an energy storage unit such that the energy level of the hybrid vehicle is maintained substantially at a desired magnitude. The energy level of the hybrid vehicle is a function of at least: (i) mechanical kinetic ene ...


2
William Anders Peterson: Cooperative primary and secondary current limiting to selectively limit aggregate and individual current outputs of a multi output converter. Bell Telephone Laboratories Incorporated, Alfred G Steinmetz, November 15, 1977: US04058758 (63 worldwide citation)

A single-ended converter circuit operating in a transformer coupled mode is disclosed having multiple outputs. A current limiting circuit is included on the primary side of the power transformer to limit the total aggregate current output of the converter. Secondary current limiting circuitry is inc ...


3
William Anders Peterson, Michael Francis Thompson: Polyphase inverter with neutral-leg inductor. Lockheed Martin Corporation, Geoffrey H Krauss, William H Meise, November 28, 2000: US06154378 (39 worldwide citation)

A polyphase AC-to-AC inverter (300) for driving a polyphase load (50), which may be an unbalanced load, includes a wye-connected AC voltage source (12) having a neutral terminal (312). The source (12) is coupled to a rectifying arrangement (16) for producing direct voltage across a direct-voltage bu ...


4
William Anders Peterson: Extended range boost converter circuit. Bae Systems Controls, Geoffrey H Krauss, February 20, 2001: US06191957 (38 worldwide citation)

A power converter comprises a power transformer having a primary winding and a secondary winding flux coupled to the primary winding, input terminals for receiving an input voltage, and output terminals for providing an output voltage. A power switching arrangement comprising two pairs of switching ...


5
Jonathan Joseph Albrecht, Jason Andrew Young, William Anders Peterson: Extended range DC-DC power converter circuit. Lockheed Martin Corporation, Geoffrey H Krauss, August 5, 1997: US05654881 (37 worldwide citation)

A single-stage power converter has an input-to-output transfer characteristic with two portions, each having a different operational characteristic, with each portion being selected by changing ONLY the duty-cycle of the power switching devices. At low input voltage the converter operates as a Boost ...


6
William Anders Peterson: Autonomous battery equalization circuit. October 31, 2000: US06140800 (36 worldwide citation)

A battery equalization circuit for equalizing charge between at least first and second series connected batteries includes a switching circuit and a resonant circuit. Each battery has a positive end and a negative end, where the positive end of the second battery is coupled to the negative end of th ...


7
William Anders Peterson, Arthur Paull Lyons: Apparatus and method for driving a plurality of induction motors. BAE Systems Controls, Geoffrey H Krauss Esq, April 16, 2002: US06373204 (34 worldwide citation)

A motor controller includes: a driver stage operable to provide voltage and current to a plurality of induction motors over a single power bus; and a control unit operable to monitor the current drawn from the driver stage and cause one or more of the induction motors to operate in a regenerative mo ...


8
William Anders Peterson: Frequency stabilized single-ended regulated converter circuit. Bell Telephone Laboratories Incorporated, Alfred G Steinmetz, November 2, 1976: US03989995 (33 worldwide citation)

In a typical self-oscillating, single-ended converter that is pulse width modulated to regulate the output signal, duty cycle changes to stabilize the output signal cause the switching frequency of the converter to vary.


9
William Anders Peterson, Garey George Roden: Magnetically coupled autonomous battery equalization circuit. BAE Systems Controls, Geopprey H Krauss, April 24, 2001: US06222344 (21 worldwide citation)

A battery equalization circuit for equalizing charge between at least first and second series-connected batteries, where each battery has a positive end and a negative end, with the positive end of the second battery coupled to the negative end of the first battery at a common node, and using: a swi ...


10
William Anders Peterson, Arthur Paull Lyons: Stator construction for high performance rotating machines. BAE SYSTEMS Controls, Paul J Esatto Jr, Geoffrey H Krauss, September 7, 2004: US06787948 (8 worldwide citation)

A rotating machine which includes a stator having a number of field winding slots, a number of field windings disposed in each of the field winding slots, at least two of the field windings have an outer jacket; and a number of conductive wires disposed within and enclosed by the outer jacket such t ...