Systems including powered skates with automatic motor control are provided. One such system includes a pair of powered skates, each including a foot platform configured to receive a foot of a rider, a plurality of wheels coupled to the foot platform, a motor coupled to at least one of the plurality
Systems including powered skates with automatic motor control are provided. One such system includes a pair of powered skates, each including a foot platform configured to receive a foot of a rider, a plurality of wheels coupled to the foot platform, a motor coupled to at least one of the plurality of wheels, the motor configured to rotate the at least one wheel, and a load sensor coupled to the foot platform and configured to sense an applied force, and a controller coupled to each of the motors and to each of the load sensors, the controller configured to control each of the motors, using a single algorithm, based on signals received from each of the load sensors.
대표청구항▼
1. A system for controlling powered skates, the system comprising: a pair of powered skates, each comprising: a foot platform configured to receive a foot of a rider;a plurality of wheels coupled to the foot platform;a hub motor integral to at least one of the plurality of wheels, the hub motor conf
1. A system for controlling powered skates, the system comprising: a pair of powered skates, each comprising: a foot platform configured to receive a foot of a rider;a plurality of wheels coupled to the foot platform;a hub motor integral to at least one of the plurality of wheels, the hub motor configured to rotate the at least one wheel; anda load sensor coupled to the foot platform and configured to sense an applied force; anda controller coupled to each of the hub motors and to each of the load sensors, the controller configured to cause each of the hub motors, using a single algorithm, to generate a forward torque based on signals received from each of the load sensors. 2. The system of claim 1, wherein each of the powered skates further comprises a speed sensor coupled to the controller. 3. The system of claim 1, wherein the controller is further configured to: compare a weight distribution of the rider on each of the powered skates to a threshold; andcontrol each of the hub motors to generate a torque that inhibits the rider from falling when the weight distribution exceeds the threshold. 4. The system of claim 1, wherein the controller is further configured to: determine a weight distribution across each of the powered skates based on the signals received from each of the load sensors;determine a total torque to be applied to the powered skates to cause a desired condition;apply a first percentage of the total torque to one of the powered skates based on the weight distribution; andapply a second percentage of the total torque to the other of the powered skates based on the weight distribution,wherein the first percentage and the second percentage add up to 100 percent. 5. The system of claim 1: wherein each of the powered skates further comprises a speed sensor coupled to the controller; andwherein the controller is further configured to: compare a weight distribution of the rider on each of the powered skates based on the signals from the load sensors to a threshold;compare a signal from the speed sensor of one of the powered skates to a signal from the speed sensor of the other of the powered skates;detect a forward skating action based on the comparison of the weight distribution and the comparison of the signals from the speed sensors; andcontrol each of the hub motors to assist the forward skating action. 6. The system of claim 1: wherein each of the powered skates further comprises a speed sensor coupled to the controller; andwherein the controller is further configured to: measure a speed based on signals from each of the speed sensors; andcontrol, based on a mode of operation and the measured speed, each of the hub motors to oppose motion of the respective powered skates. 7. The system of claim 1, further comprising an angle sensor coupled to a torso of the rider and the controller; wherein the controller is further configured to: compare a signal from the angle sensor to a threshold; andcontrol, based on the comparison, the hub motors to oppose a forward motion of the powered skates. 8. The system of claim 1, wherein the controller comprises: a first controller coupled to one of the pair of powered skates;a second controller coupled to the other of the pair of powered skates; anda master controller coupled to the first controller and the second controller. 9. A system for controlling powered skates, the system comprising: a pair of powered skates, each comprising: a foot platform configured to receive a foot of a rider;a front wheel coupled to the foot platform;a rear wheel coupled to the foot platform and positioned closer to an area of the foot platform for receiving a heel of the rider than the front wheel;a hub motor integral to at least one of the front wheel and the rear wheel, the hub motor configured to rotate the at least one of the front wheel and the rear wheel;a load sensor coupled to the foot platform and configured to sense an applied force; anda steerable truck coupled to the foot platform, wherein one of the front wheel or the rear wheel comprises a first wheel and a second wheel spaced apart in a direction lateral to a forward motion of the respective powered skate, and the first wheel and the second wheel are coupled to the steerable truck; anda controller coupled to each of the hub motors and to each of the load sensors, the controller configured to control each of the hub motors, using a single algorithm, based on signals received from the load sensors. 10. The system of claim 9: wherein each of the hub motors is integral to the respective front wheel, wherein the respective front wheel is the only wheel proximate a front area of the respective powered skate;wherein the respective rear wheel comprises the first wheel and the second wheel; andwherein the steerable truck is positioned between the first wheel and the second wheel. 11. The system of claim 9, wherein each of the powered skates further comprises: a chassis coupled to the front wheel and to the rear wheel, the chassis coupled between the foot platform and both of the front wheel and the rear wheel; andan attachment configured to attach the chassis to the foot platform, wherein the load sensor is a component of the attachment. 12. The system of claim 11, wherein, for each of the powered skates, the load sensor is positioned under the chassis and a coupling of the load sensor extends through a hole in the chassis. 13. The system of claim 9, wherein each of the powered skates further comprises: one or more straps configured to attach a shoe of the foot of the rider, wherein at least one of the one or more straps comprises a quick release mechanism. 14. The system of claim 9, wherein the controller is configured to: control, a first mode of operation, at least one of the hub motors to oppose a motion of the respective powered skate;control, in a second mode of operation, at least one of the hub motors to not oppose a motion of the respective powered skate; andcontrol, in a third mode of operation, at least one of the hub motors to assist a motion of the respective powered skate. 15. A system for controlling powered skates, the system comprising: a pair of powered skates, each comprising: a foot platform configured to receive a foot of a rider;a plurality of wheels coupled to the foot platform; anda hub motor integral to at least one of the plurality of wheels, the hub motor configured to rotate the at least one wheel;a motion sensor coupled to a body of the rider and configured to sense motion in a torso of the rider; anda controller coupled to each of the hub motors and to each of the motion sensors, the controller configured to cause at least one of the hub motors, using a single algorithm, to generate a braking torque on the respective powered skate based on a signal received from the motion sensor. 16. The system of claim 15, wherein the motion sensor is configured to measure a characteristic of the rider selected from an angle of the body and an angular rate of change of the body. 17. The system of claim 15: wherein each of the powered skates further comprises a speed sensor; andwherein the controller is further configured to: control, in a preselected mode of operation, at least one of the hub motors to oppose, when a change from a preselected set point of a signal from the speed sensor occurs, a motion of the respective powered skate; andmodify the preselected set point based on the signal received from the motion sensor. 18. The system of claim 15, wherein the motion sensor is coupled to a waistline area of the rider. 19. A method for controlling powered skates, the method comprising: providing a pair of powered skates, each comprising: a foot platform configured to receive a foot of a rider;a plurality of wheels coupled to the foot platform;a hub motor integral to at least one of the plurality of wheels, the hub motor configured to rotate the at least one wheel; anda load sensor coupled to the foot platform and configured to sense an applied force; andcontrolling, using a controller coupled to each of the hub motors and to each of the load sensors, each of the hub motors, using a single algorithm, to generate a forward torque based on signals received from each of the load sensors. 20. The method of claim 19: wherein each of the powered skates further comprises a speed sensor coupled to the controller; andwherein the controlling, using the controller coupled to each of the hub motors and to each of the load sensors, each of the hub motors comprises: determining a weight distribution across each of the powered skates based on the signals received from each of the load sensors;determining a total torque to be applied to the powered skates to cause a desired condition;applying a first percentage of the total torque to one of the powered skates based on the weight distribution;applying a second percentage of the total torque to the other of the powered skates based on the weight distribution, wherein the first percentage and the second percentage add up to 100 percent;comparing a signal from the speed sensor of one of the powered skates to a signal from the speed sensor of the other of the powered skates;detecting a forward skating action based on the weight distribution and the comparison of the signals from the speed sensors; andcontrolling each of the hub motors to assist the forward skating action. 21. The method of claim 19, wherein the controlling, using the controller coupled to each of the hub motors and to each of the load sensors, each of the hub motors comprises: determining a weight distribution across each of the powered skates based on the signals received from each of the load sensors;determining a total torque to be applied to the powered skates to cause a desired condition;applying a first percentage of the total torque to one of the powered skates based on the weight distribution;applying a second percentage of the total torque to the other of the powered skates based on the weight distribution, wherein the first percentage and the second percentage add up to 100 percent;comparing a signal from an angle sensor, coupled to a body of the rider and the controller, to a preselected threshold; andcontrolling, based on the comparison, the hub motors to oppose a forward motion of the powered skates.
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