Method to determine a speed profile for a stairlift
AssigneeTK Home Solutions B.V.
InventorCornelis Boxum
Life of this patent
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Abstract
Embodiments described herein are directed to a method to determine a speed profile for a stairlift, wherein the stairlift includes a guide device, a carriage, and user interaction device. The carriage is rotatable around a vertical axle by a first drive. A specific mass moment of inertia for a specific person is determined by measuring a correlation between applied torque and resulting rotational acceleration for the first drive or the specific mass moment of inertia for a specific person is determined by measuring the specific persons weight while the specific person is carried on the carriage. An optimal torque is set according to the specific mass moment of inertia. The speed profile is determined applying at the most the optimal torque with the first drive.
Claims20
A method to determine a speed profile for a stairlift for transporting a person along a staircase, wherein the stairlift comprises
- a guide extending along the staircase;
- a carriage being moveable along the guide and configured to carry the person;
- a user interaction device configured for operating the stairlift;
- and
- a control unit configured to measure a correlation between applied torque and resulting rotational acceleration for a first drive;
- wherein the carriage is rotatable around a vertical axle by the first drive;
- wherein the method comprises the steps of:
- determining a specific mass moment of inertia for a specific person by measuring the correlation between applied torque and resulting rotational acceleration for the first drive with the specific person carried on the carriage;
- setting an optimal torque according to the specific mass moment of inertia;
- and
- determining the speed profile applying at the most the optimal torque with the first drive.
A method to determine a speed profile for a stairlift for transporting a person along a staircase, wherein the stairlift comprises
- a guide extending along the staircase;
- a carriage being moveable along the guide and configured to carry the person;
- user interaction device configured for operating the stairlift;
- and
- a weight sensor configured to measure a specific persons weight while the specific person is carried on the carriage;
- wherein the carriage is rotatable around a vertical axle by a first drive;
- wherein the method comprises the steps of:
- determining a specific mass moment of inertia for the specific person by measuring the specific persons weight while the specific person is carried on the carriage with the weight sensor;
- setting an optimal torque according to the specific mass moment of inertia;
- and
- determining the speed profile applying at the most the optimal torque with the first drive.
A stairlift for transporting a person along a staircase, comprising:
- a guide extending along the staircase;
- a carriage being moveable along the guide and configured to carry the person;
- and
- user interaction device configured for operating the stairlift;
- wherein the carriage is rotatable around a vertical axle by a first drive,
- wherein the stairlift further includes a control unit configured to measure a correlation between applied torque and resulting rotational acceleration for the first drive and/or a weight sensor to measure the specific persons weight while the specific person is carried on the carriage.
Dependencies are inferred from the claim text.