Abstract: A ground assembly includes a first layer, a second layer, and a bypass capacitor. The first layer includes a power ground, a communication ground spaced from the power ground, a conductive path defining a parasitic inductance and electrically coupled between the power ground and the communication ground, and an electrically insulating layer. At least a portion of the insulating layer is positioned between the power and communication grounds. The second layer includes a first substrate that is spaced from the power ground to define a first parasitic capacitance therebetween and is spaced from the communication ground to define a second parasitic capacitance therebetween. The bypass capacitor is electrically coupled between the power ground and the first substrate.

Abstract: Methods and systems for controlling an electric motor are provided. An electric motor controller is configured to be coupled to an electric motor. The controller includes a rectifier, an inverter coupled to the rectifier, and a control unit coupled to the inverter. The rectifier is configured to rectify an alternating current (AC) input voltage to produce a pulsed direct current (DC) voltage that drops to approximately zero during each cycle when the AC input voltage transits zero. Energy is stored on a load coupled to the motor when AC input voltage is available. The inverter is configured to receive the DC voltage and to provide a conditioned output voltage to the motor. The control unit is configured to manage energy transfer between the motor and the load such that the motor generates positive torque when the DC voltage supplied to the inverter has approximately 100% voltage ripple.

Abstract: An electric motor communication system for use with a fluid moving system and using at least one wireless sensor network is provided. The electric motor communication system includes an electric motor that includes a motor management device configured to transmit and receive input signals via the wireless sensor network, and a processing device coupled to said motor management device and configured to control said electric motor based at least in part on input signals received at said motor management device. The electric motor communication system also includes at least one external device configured to collect data and to transmit said input signals, via the wireless sensor network, to said electric motor.

Abstract: In a method of treating erectile dysfunction in a patient, a predetermined course of external counter-pulsation treatment is applied to a lower body portion of the patient. After the predetermined course of external counter-pulsation treatment is applied, a predetermined course of low intensity shockwave treatment is applied to a penile area of the patient. After the course of low intensity shockwave treatment, a predetermined course of carboxy therapy is applied to a corpora cavernosa of the patient.

Abstract: An EMI filter is described that includes an input having first and second input terminals, and an output having first and second output terminals. A first conductive path is defined between the first input and output terminals, and a second conductive path is defined between the second input and output terminals. The EMI filter also includes a first choke device coupled across the first and second conductive paths, and a first Y capacitor including a first end and a second end opposite the first end, the first end coupled to the first conductive path downstream from the first choke device. The EMI filter further includes a second Y capacitor including a first end and a second end opposite the first end, the first end coupled to the second conductive path downstream from the first choke device, and a second choke device coupled to an inverter output.

Abstract: A motor controller for controlling an electric motor includes at least one integrated sensor disposed on the electric motor. The least one integrated sensor is configured to collect sensor data associated with a status of the electric motor for a period of time, the period of time beginning at an activation time and extending at least until an installation time. The motor controller may include an energy management system configured to power the at least one integrated sensor for at least a portion of the period of time, and a memory device configured to store the sensor data. The motor controller may include a data management system configured to communicate the sensor data from the at least one integrated sensor to at least one of the memory device and a remote device.

Abstract: A motor controller for controlling an electric motor includes at least one integrated sensor disposed on the electric motor. The least one integrated sensor is configured to collect sensor data associated with a status of the electric motor for a period of time, the period of time beginning at an activation time and extending at least until an installation time. The motor controller may include an energy management system configured to power the at least one integrated sensor for at least a portion of the period of time, and a memory device configured to store the sensor data. The motor controller may include a data management system configured to communicate the sensor data from the at least one integrated sensor to at least one of the memory device and a remote device.

Abstract: An electric motor for use with a power supply includes a housing and a stator fixedly secured to the housing. The stator has a plurality of coils secured to the stator. The motor also includes a first rotor secured to the stator and having a first number of poles and a second rotor secured to the stator and having a second number of poles. The second number being different than the first number. The plurality of coils cooperates with the first rotor to rotate the first rotor at a first rotor rotational speed and the plurality of coils cooperates with the second rotor to rotate the second rotor at a second rotor rotational speed. The second rotor rotational speed is substantially different than the first rotor rotational speed.

Abstract: A ground assembly includes a first layer, a second layer, and a bypass capacitor. The first layer includes a power ground, a communication ground spaced from the power ground, a conductive path defining a parasitic inductance and electrically coupled between the power ground and the communication ground, and an electrically insulating layer. At least a portion of the insulating layer is positioned between the power and communication grounds. The second layer includes a first substrate that is spaced from the power ground to define a first parasitic capacitance therebetween and is spaced from the communication ground to define a second parasitic capacitance therebetween. The bypass capacitor is electrically coupled between the power ground and the first substrate.

Abstract: A motor control system for heating, ventilation, and air conditioning (HVAC) applications is described. The motor control system includes a thermostat and an electronically commutated motor (ECM) coupled to the thermostat. The ECM is configured to retrofit an existing non-ECM electric motor included in an HVAC application and to operate in one of a plurality of HVAC modes. The HVAC modes include at least one of a heating mode, a cooling mode, and a continuous fan mode. The HVAC mode is determined based at least partially on outputs provided by the thermostat.

Abstract: An electric motor communication system for use with a fluid moving system is provided. The electric motor communication system includes an electric motor including a wireless communication device configured to transmit and receive wireless signals, and a processing device coupled to the wireless communication device and configured to control the electric motor based at least in part on wireless signals received at the wireless communication device. The electric motor communication system further includes at least one external device configured to communicate wirelessly with the electric motor.

Abstract: A drive circuit for a permanent split capacitor (PSC) motor includes an inverter, a solid state switch, and a contactor coupled in parallel with the solid state switch. The inverter is configured to supply variable frequency current to the PSC motor over a first duration. The solid state switch is configured to supply line frequency current to the PSC motor at the expiration of the first duration. The contactor is configured to supply the line frequency current to the PSC motor over a second duration beginning when the contactor closes after expiration of the first duration.

Abstract: Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range of line input power frequencies, and couple line input power to an output of the inverter using a first switch device when the motor commanded frequency is within the predetermined range of line input power frequencies.

Abstract: A motor control assembly for an electric motor. The motor control assembly is configured to be coupled to the electric motor, and includes a wireless communication module, an input power connector, and an inverter module. The wireless communication module is configured to receive a wireless signal from a system controller. The input power connector is configured to receive a DC voltage from an external power supply module. The inverter module is coupled to the wireless communication module and the input power connector. The inverter module is configured to convert the DC voltage to an AC voltage to operate the electric motor according to the wireless signal.

Abstract: An electric motor communication system for use with a fluid moving system is provided. The electric motor communication system includes an electric motor including a wireless communication device configured to transmit and receive wireless signals, and a processing device coupled to the wireless communication device and configured to control the electric motor based at least in part on wireless signals received at the wireless communication device. The electric motor communication system further includes at least one external device configured to communicate wirelessly with the electric motor.

Abstract: A fluid flow system is provided. The system includes a rotation producing device, a first fluid flow device coupled to the rotation producing device and a second fluid flow device coupled to the rotation producing device and spaced from the first fluid flow device.

Abstract: Methods and systems for programming an electric motor are provided. An electric motor controller configured to be coupled to an electric motor is configured to control the electric motor to produce torque when direct current (DC) link voltage has up to 100% voltage ripple. The controller includes a first power input, a second power input, and a third power input, an energized line detection device, and a microprocessor. Each power input is configured to receive power from an alternating current (AC) power source. The energized line detection device is configured to sense which power input has received power from the AC power source and output an isolated signal. The microprocessor is coupled downstream from the energized line detection device and is configured to determine an operating profile for the electric motor based on the isolated signal.

Abstract: A dual-drive electric motor control system configured to drive a first electric motor and a second electric motor is provided. The system includes a shared front-end motor drive circuit for converting AC input voltage from an AC voltage source to a DC-link voltage. A first control system has a first inverter coupled to the shared front-end motor drive circuit, and a first switch device configured to couple the AC voltage source directly to the first electric motor. The system further includes a second control system having a second inverter coupled to the shared front-end motor drive circuit, and a second switch device configured to couple the AC voltage source directly to the second electric motor.

Abstract: A controller and methods for hybrid operation control of an electric motor in an electric motor system are provided. The controller is configured to receive a speed command for operating the electric motor, measure available voltage on an inverter configured to provide conditioned AC voltage to the electric motor, and determine a winding phase angle difference based on the received speed command and the measured available inverter voltage. The controller is also configured to adjust a phase angle difference between winding voltage commands for the switches of the inverter using the determined winding phase angle difference, and apply the winding voltage commands including the adjusted phase angle difference to the inverter switches to control the electric motor.

Abstract: An interleaved bridgeless power factor correction (PFC) converter-based motor drive system is provided. The system includes a first inductor coupled to a second inductor. The coupled first and second inductors are coupled to a first input configured to be coupled to a first line of an alternating current (AC) power supply. The system also includes a third inductor coupled to a fourth inductor. The coupled third and fourth inductors are coupled to a second input configured to be coupled to a second line of the AC power supply. The system further includes a digital active power factor correction (PFC) controller configured to cause current in at least one of the coupled first and second inductors and the coupled third and fourth inductors to be interleaved.