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US 10,207,145 B2Granted
High efficiency treadmill motor control
AssigneeICON Health & Fitness, Inc.
InventorsMichael J. Tyger, Derrek Williams
Life of this patent
Estimating the term…
Abstract
A high voltage direct current signal is obtained from a power supply. The power supply includes power factor correction circuitry. A control command is obtained from an exercise machine. The exercise machine includes a direct current motor. A pulse-width modulation signal is generated from the direct current signal based on the control command. The pulse-width modulation signal is provided to the direct current motor.
Claims19
A method of operating a treadmill, comprising:
- receiving a control command to move a tread belt;
- receiving a direct current signal converted from an alternating current, wherein receiving the direct current signal comprises receiving a boosted direct current signal having a higher magnitude of voltage than the alternating current;
- and
- increasing the speed of tread belt in response to the control command and the boosted direct current signal to over 12 miles per hour.
1 more element
A method of operating a treadmill, comprising:
- receiving a control command to move a tread belt to a target speed;
- switching a direct current on and off with a motor controller to generate a pulse-width modulated signal;
- receiving the pulse-width modulated signal;
- receiving a direct current signal converted from an alternating current signal, wherein receiving the direct current signal comprises receiving a boosted direct current signal having a higher magnitude of voltage than the alternating current signal;
- and
- increasing the speed of tread belt in response to the control command and both the boosted direct current signal and the direct current signal to the target speed.
3 more elements
Dependencies are inferred from the claim text.