CPC B62M 6/50 (2013.01) [B62J 45/412 (2020.02); B62K 5/027 (2013.01); B62K 25/04 (2013.01); B62L 3/00 (2013.01); G01S 19/42 (2013.01)] | 20 Claims |
1. An electric assist vehicle, comprising:
a plurality of ground-contacting wheels rotatably coupled to a frame;
a drivetrain operatively coupled to at least one of the ground-contacting wheels and configured to propel the vehicle, wherein the drivetrain is convertible between a human-powered mode and an electric assist mode;
a sensor configured to determine a characteristic corresponding to a weight of the vehicle; and
an electronic controller configured to maintain the vehicle below a maximum speed, wherein the maximum speed is based on the characteristic.
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10. A method of operating an electric assist vehicle, the method comprising:
receiving, at a controller of an electric assist vehicle, a mass-related characteristic of the vehicle, wherein the vehicle includes: a plurality of ground-contacting wheels rotatably coupled to a frame and a drivetrain operatively coupled to at least one of the ground-contacting wheels and configured to propel the vehicle, wherein the drivetrain is convertible between a human-powered mode and an electric assist mode;
automatically determining a maximum speed based on the mass-related characteristic of the electric vehicle; and
using the controller, automatically limiting a current speed of the vehicle to no more than the maximum speed.
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