Abstract: An electric skateboard with a hands free control mechanism includes weight sensors embedded in the front and rear truck base plates to measure both the total weight of the rider as well as their weight distribution on the deck. An advanced skate control circuit uses these weight signals from the base plate to control the motor power, and includes the ability to detect when the rider is kicking the board. During these kicking events, the skate control algorithm changes to a mode which minimises any rapid changes to the skateboard velocity so that the rider will remain stable with just one foot on the deck.

Abstract: An electric skateboard with a hands free control mechanism includes weight sensors embedded in the front and rear truck base plates to measure both the total weight of the rider as well as their weight distribution on the deck. An advanced skate control circuit uses these weight signals from the base plate to control the motor power, and includes the ability to detect when the rider is kicking the board. During these kicking events, the skate control algorithm changes to a mode which minimises any rapid changes to the skateboard velocity so that the rider will remain stable with just one foot on the deck.

Abstract: A two-speed bidirectional hub motor includes an electrically driven hub, including an electrical motor, oppositely aligned one-way bearings, and a planetary gear system connected to the electrical motor. A fixed shaft is connected to the stator of the electrical motor. The first of two one-way bearings connects the electrical motor to the planetary gear system, and the second one-way bearing connects the electrical motor to the hub casing. When the rotor is electrically activated to spin in the forwards direction, the second one-way bearing engages the hub casing and rotates the wheel forwards at high speed. When the rotor is electrically activated to spin in the reverse direction, the first one-way bearing engages the planetary gearing system, rotating the wheel forward at lower speed by a gear reduction. This design gives two-speed output without a transmission.