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A walking training vehicle for rehabilitation and weight loss that realizes straight-line following by detecting distance and its control method

A technology for weight loss walking training and distance detection, which is applied in the field of medical devices to achieve the effects of ensuring accuracy, high reliability of data transmission, and ensuring synchronization and real-time performance

Active Publication Date: 2022-05-06
NANJING VISHEE MEDICAL TECH
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  • Abstract
  • Description
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Problems solved by technology

However, in the prior art, there is no walking training vehicle for weight loss rehabilitation that can achieve accurate straight-line follow through detection distance

Method used

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  • A walking training vehicle for rehabilitation and weight loss that realizes straight-line following by detecting distance and its control method
  • A walking training vehicle for rehabilitation and weight loss that realizes straight-line following by detecting distance and its control method
  • A walking training vehicle for rehabilitation and weight loss that realizes straight-line following by detecting distance and its control method

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specific Embodiment

[0073] 1. The control system uses Raspberry Pi as the controller, and a TFmini laser ranging sensor as the distance sensor;

[0074] 2. Set the communication period of the Raspberry Pi to 10ms, that is, to obtain the measured value of the distance sensor every 10ms;

[0075] 3. When the patient puts on the protective clothing (i.e. the weight-reducing sling) to complete the preparation and activates the follow mode switch, the Raspberry Pi saves the current distance (the lateral distance between the distance sensor and the patient’s back) as the absolute distance between the weight-reducing car and the patient ;

[0076] 4. When the patient moves forward, the distance between the sensor and the back becomes larger due to the forward movement of the back;

[0077] 5. The controller receives the real-time distance value at the current moment and compares the real-time distance value with the absolute distance value to obtain the distance difference, and obtains the training veh...

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Abstract

The invention relates to a rehabilitation weight-loss walking training vehicle and a control method for realizing straight-line following by detecting distance, belonging to the field of medical equipment, comprising a controller and a distance sensor for detecting the distance between the weight-loss vehicle and the back of a patient; the controller comprises: A distance information acquisition module, a speed control module, and a motor drive module; the distance information acquisition module receives the real-time distance measurement value collected by the distance sensor, obtains the real-time distance value Act_dis at the current moment, and obtains the real-time distance value at the current moment and the set value through calculation. The distance difference Err_dis between the absolute distance values ​​Abs_dis; the speed control module receives the distance difference Err_dis, and uses the PID algorithm to obtain the training vehicle speed correction value Act_speed at the current moment; the motor drive module receives the training vehicle speed value Act_speed and controls the motor to make the training The car is traveling at Act_speed. The invention ensures the synchronization and real-time performance of the coordinated movement of the weight-reducing vehicle and the patient.

Description

technical field [0001] The invention relates to a walking training vehicle for rehabilitation and weight loss which realizes straight-line following through detection distance, and belongs to the field of medical equipment. Background technique [0002] In the lower limb rehabilitation period of various clinical patients (such as patients in the recovery period of lower limb motor dysfunction caused by stroke, spinal cord injury, and fracture surgery), auxiliary equipment is needed for weight loss and support. At present, there are not many training equipment in clinical practice, and the demand for rehabilitation continues to expand, but there is a shortage of professional rehabilitation personnel; the one-to-one model is labor-intensive and time-consuming. In order to solve these problems in the process of rehabilitation training, there is an urgent need for new technologies that are safe, quantitative, effective and repeatable. [0003] Rehabilitation weight loss walking...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61H3/04
CPCA61H3/04A61H2003/043A61H2003/046
Inventor 冯雷黄河钱忆陈赞嵇兵
Owner NANJING VISHEE MEDICAL TECH
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