IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0266170
(2008-11-06)
|
등록번호 |
US-8170780
(2012-05-01)
|
발명자
/ 주소 |
- Field, J. Douglas
- Gansler, Michael T.
- Heinzmann, John D.
- Stevens, Jon M.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
57 인용 특허 :
99 |
초록
▼
An apparatus and method for transporting a payload over a surface is provided. A vehicle supports a payload with a support partially enclosed by an enclosure. Two laterally disposed ground-contacting elements are coupled to at least one of the enclosure or support. A motorized drive is coupled to th
An apparatus and method for transporting a payload over a surface is provided. A vehicle supports a payload with a support partially enclosed by an enclosure. Two laterally disposed ground-contacting elements are coupled to at least one of the enclosure or support. A motorized drive is coupled to the ground-contacting elements. A controller coupled to the drive governs the operation of the drive at least in response to the position of the center of gravity of the vehicle to dynamically control balancing of the vehicle.
대표청구항
▼
1. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to th
1. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements;a controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein the enclosure is coupled to the support and comprisinga structure coupling the support and the enclosure to the ground-contacting elements, the structure allows for variation in the position of the center of gravity, andwherein the structure includes rails allowing the enclosure and support to slide with respect to the ground-contacting elements. 2. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements;a controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein the enclosure is coupled to the support; andcomprising two four-bar linkages, each four-bar linkage coupling a ground-contacting element to the support and the enclosure, allowing the enclosure and support to move relative to the ground-contacting elements. 3. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements;a controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein the enclosure is coupled to the ground-contacting elements; andcomprising a structure coupling the support to the enclosure and ground-contacting elements, the structure allows for variation in the position of the center of gravity,wherein the structure includes rails allowing the support to slide with respect to the enclosure and the ground-contacting elements. 4. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements;a controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein the enclosure is coupled to the ground-contacting elements; andcomprising two four-bar linkages, each four-bar linkage coupling the support to the enclosure and the ground-contacting elements, and allowing the support to move relative to the ground-contacting elements. 5. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements; anda controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein the vehicle is controlled based on a selected operation mode, andcomprising a start mode that is triggered by a change in the position of the center of gravity of the vehicle, the change in the position of the center of gravity initiating dynamic stabilization of the balancing vehicle such that the vehicle is no longer stabilized by a stabilizer ground-contacting element. 6. The vehicle of claim 5, wherein the stabilizer ground-contacting element is positioned towards the front of the vehicle and the position of the center of gravity shifts rearward. 7. The vehicle of claim 5, wherein the stabilizer ground-contacting element is positioned rearward of the vehicle and the position of the center of gravity shifts forward. 8. A vehicle for transporting a payload over a surface, the vehicle comprising: a support for supporting a payload;an enclosure for at least partially enclosing the payload;two laterally disposed ground-contacting elements coupled to at least one of the enclosure or the support;a drive coupled to the ground-contacting elements; anda controller coupled to the drive, for governing the operation of the drive at least in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein a shift of the position of the center of gravity of the vehicle beyond a threshold triggers a stop mode that decelerates the vehicle. 9. A method for transporting a payload over a surface with a vehicle, the method comprising: supporting a payload with a support;at least partially enclosing the support with an enclosure;controlling operation of a drive coupled to two laterally disposed ground-contacting elements, coupled to at least one of the enclosure or support, in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle;shifting the position of the center of gravity rearward to cause a deceleration of the balancing vehicle,triggering a start mode when a sensor mounted on the vehicle detects a change in the position of the center of gravity shift and initiating dynamic stabilization of the vehicle; andshifting the position of the center of gravity rearward to initiate dynamic stabilization of the vehicle. 10. A method for transporting a payload over a surface with a vehicle, the method comprising: supporting a payload with a support;at least partially enclosing the support with an enclosure;controlling operation of a drive coupled to two laterally disposed ground-contacting elements, coupled to at least one of the enclosure or support, in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle;shifting the position of the center of gravity rearward to cause a deceleration of the balancing vehicle,triggering a start mode when a sensor mounted on the vehicle detects a change in the position of the center of gravity shift and initiating dynamic stabilization of the vehicle; andshifting the center of gravity forward to initiate dynamic stabilization of the vehicle. 11. A method for transporting a payload over a surface with a vehicle, the method comprising: supporting a payload with a support;at least partially enclosing the support with an enclosure;controlling operation of a drive coupled to two laterally disposed ground-contacting elements, coupled to at least one of the enclosure or support, in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle; andtriggering a stop mode of the vehicle by shifting the center of gravity of the vehicle beyond a threshold and decelerating the balancing vehicle. 12. A method for transporting a payload over a surface with a vehicle, the method comprising: supporting a payload with a support;at least partially enclosing the support with an enclosure; andcontrolling operation of a drive coupled to two laterally disposed ground-contacting elements, coupled to at least one of the enclosure or support, in response to position of the center of gravity of the vehicle to dynamically control balancing of the vehicle,wherein relative position of the payload to the ground-contacting elements is an input to the controller, andwherein the input modifies desired pitch of a speed limiting algorithm used to control speed of the vehicle.
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