Abstract: A battery powered device such as an electric vehicle includes a high power loads such as a drive motor (50), and on-board charging and discharging systems (20) which share significant components such as a pulsing subsystem (40). In particularly preferred embodiments the battery (10) and regenerative braking system (90), where applicable, are selected to operate efficiently with the charging and discharging systems (20).

Abstract: A solid state, electric motor control circuit is provided in conjunction with a solid state throttle and vehicle sensor circuit that together incorporate; a Hall Effect throttle position sensor circuit, a throttle position signal amplifier circuit, a vehicle reverse condition circuit, a vehicle operation inhibit circuit, a pulse width modulation circuit, and inverting MOSFET driver circuit, a plurality of power MOSFET devices, a voltage regulator circuit, and a current delivery circuit associated with an external DC electric motor. These circuit elements combine to translate a mechanical throttle position into a voltage level signal that can be converted by pulse width modulation circuitry into a pulsed wave form signal that suitably drives a bank of MOSFET, solid state switches so as to control the flow of current through a DC electric motor.

Abstract: A solid state DC power control circuit to efficiently use DC battery power without the normally associated energy waste which includes an input control signal, amplifying and conditioning circuit (133), a triangular waveform generator circuit (131), a comparator circuit (135), an inverting MOSFET (metal oxide semiconductor field effect transistor) circuit (137), and a plurality of power MOSFET devices (42), which together combine to translate a typical variable resistance control input into a voltage level and condition it suitably to be compared with a known triangular waveform thereby creating a pulse width modulated signal whose pulse widths correspond in duration to the relative percent "on" or "off" of the control input signal and which regulates a plurality of parallel MOSFET devices (42) which together share the load of an external DC power drain circuit (143).

Abstract: A solid state DC power control circuit to efficiently use DC battery power without the normally associated energy waste which includes an input control signal filtering, amplifying, and conditioning circuit (133), a triangular waveform generator circuit (131), a comparator circuit (135), an inverting MOSFET (metal oxide semiconductor field effect transistor) circuit (137), and a plurality of power MOSFET devices (42), which together combine to translate a typical variable resistance control input into a voltage level and condition it suitably to be compared with a known triangular waveform thereby creating a pulse width modulated signal whose pulse widths correspond in duration to the relative percent "on" or "off" of the control input signal and which regulates a plurality of parallel MOSFET devices (42) which together share the load of an external DC power drain circuit (143).

Abstract: The present invention provides solid state power controller governance circuitry which includes a power level select circuit, an power level transition circuit, a controlled power limiting circuit, and a power level transition reset circuit. The circuits together provides an analog voltage or resistance signal for input to a standard power controller device that allows not only for the efficient control of the power level in the powered device, but additionally provides for controlled power limiting to the powered device when changes in the function of the powered device are initiated, or when other conditions warrant rapid power limiting to the device. The circuits also provide means whereby the powered device may be appropriately re-powered from a zero power state after controlled power limiting has occurred. Together the circuits of the present invention provide a means whereby powered devices may be efficiently, smoothly, and safely operated by standard power motor controller circuits.

Abstract: A solid state DC power control circuit to efficiently use DC battery power without the normally associated energy waste which includes an input control signal filtering, amplifying, and conditioning circuit, a triangular waveform generator circuit, a comparator circuit, an inverting MOSFET (metal oxide semiconductor field effect transistor) circuit, and a plurality of power MOSFET devices, which together combine to translate a typical variable resistance control input into a voltage level and condition it suitably to be compared with a known triangular waveform thereby creating a pulse width modulated signal whose pulse widths correspond in duration to the relative percent "on" or "off" of the control input signal and which regulates a plurality of parallel MdOSFET device which together share the load of an external DC motor circuit.