ELECTRIC WHEELCHAIR, CONTROL METHOD THEREOF AND CONTROL SYSTEM THEREOF
First Claim
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1. A control method for an electric wheelchair, comprising:
- outputting a plurality of control signals to a plurality of driving devices of the electric wheelchair respectively by way of wireless technologies according to a posture of a handheld controller, wherein the number of the control signals is equal to the number of the driving devices;
controlling the electric wheelchair to perform a corresponding motion by the driving device of the electric wheelchair in accordance with the control signals;
detecting whether the handheld controller is at an abnormal state; and
if the handheld controller is at the abnormal state, temporarily stopping outputting the control signals to the electric wheelchair.
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Abstract
An electric wheelchair, a control method thereof and a control system thereof are provided. The control method includes the following steps. Firstly, a control signal is outputted to the electric wheelchair by way of wireless according to a posture of a handheld controller. Then, the electric wheelchair performs a corresponding motion according to the control signal.
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Citations
13 Claims
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1. A control method for an electric wheelchair, comprising:
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outputting a plurality of control signals to a plurality of driving devices of the electric wheelchair respectively by way of wireless technologies according to a posture of a handheld controller, wherein the number of the control signals is equal to the number of the driving devices; controlling the electric wheelchair to perform a corresponding motion by the driving device of the electric wheelchair in accordance with the control signals; detecting whether the handheld controller is at an abnormal state; and if the handheld controller is at the abnormal state, temporarily stopping outputting the control signals to the electric wheelchair. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A control system for an electric wheelchair, comprising:
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a handheld controller, comprising; an acceleration sensor configured to output a corresponding acceleration information according to a posture of the handheld controller; and a controller configured to output a plurality of control signals according to the acceleration information; and an electric wheelchair, comprising; a wheelchair body comprising a plurality of wheels; and a plurality of driving devices each configured to detachably dispose on the wheels of the wheelchair body for controlling the wheels to rotate according to the control signals respectively to perform a corresponding motion, wherein the number of the control signals, the number of the driving devices and the number of the wheels are equal; wherein the handheld controller is further configured to; detect whether the handheld controller is at an abnormal state according to the acceleration information; and if the handheld controller is at the abnormal state, respectively output a plurality of stop operation signals to the driving devices and then stop outputting the control signals to the electric wheelchair.
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13. An electric wheelchair, comprising:
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a wheelchair body comprising a plurality of wheels; and a plurality of driving devices each detachably disposed on the wheels of the wheelchair body, wherein the driving devices are configured to control the wheelchair body to perform a corresponding motion according to a plurality of control signals from a handheld controller, and the control signals are determined by a posture of the handheld controller;
wherein the number of the control signals, the number of the driving devices and the number of the wheels are equal, and the driving devices are configured to, in response to a plurality of stop operation signals, stop driving the wheels.
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Specification