A Control Method for Power-Assist Devices using a BLDC Motor for Manual Wheelchairs

Kim Dong-Youn; Kim Yong-Hyu; Kim Kwang-Sik; Kim Jang-Mok

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A Control Method for Power-Assist Devices using a BLDC Motor for Manual Wheelchairs

机译：使用BLDC电动轮椅手动助力装置的控制方法

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摘要

This paper proposes a new operation and control strategy for Power-Assisted Wheelchairs (PAW) using one brushless DC (BLDC) motor. The conventional electrical wheelchairs are too heavy and large for one person to move because they have two electric motor wheels. On the other hand, the proposed PAW system has a small volume and is easy to move due to the presence of a single wheel motor. Unlike the conventional electric wheelchairs, this structure for a PAW does not have a control joystick to reduce its weight and volume. To control the wheelchair without a joystick, a special control system and algorithm are needed for proper operation of the wheelchair. In the proposed PAW system uses only one sensor to detect the acceleration and direction of PAW's movement. By using this sensor, speed control can be achieved. With a speed control system, there are three kinds of operations that can be done on the speed of a PAW: the increment of PAW speed by summing external force, the decrement of PAW speed by subtracting external force, and emergency breaking by evaluating the time duration of external force. The validity of the proposed algorithm is verified through experimental results.

机译：本文提出了一种使用一台无刷直流（BLDC）电机的电动轮椅（PAW）的新的操作和控制策略。传统的电动轮椅太重且太大，一个人无法移动，因为它们有两个电动车轮。另一方面，所提出的PAW系统体积小并且由于存在单轮电动机而易于移动。与传统的电动轮椅不同，这种用于PAW的结构没有控制操纵杆来减轻其重量和体积。为了在没有操纵杆的情况下控制轮椅，需要特殊的控制系统和算法来正确操作轮椅。在提出的PAW系统中，仅使用一个传感器来检测PAW运动的加速度和方向。通过使用该传感器，可以实现速度控制。对于速度控制系统，可以对PAW的速度执行三种操作：通过合计外力来增加PAW速度，通过减去外力来降低PAW速度，以及通过评估时间来紧急中断外力的持续时间。实验结果验证了该算法的有效性。

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来源
《Journal of power electronics》 |2016年第2期|798-804|共7页
作者
Kim Dong-Youn; Kim Yong-Hyu; Kim Kwang-Sik; Kim Jang-Mok;
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作者单位

Pusan Natl Univ, Dept Elect Engn, Busan, South Korea;

Busan Techno Pk, Automot Parts Technol Support Ctr, Busan, South Korea;

LG Elect, Chang Won, South Korea;

Pusan Natl Univ, Dept Elect Engn, Busan, South Korea;

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原文格式 PDF
正文语种 eng
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关键词
Assist equipment; Brushless DC motor; Power-assisted wheelchair sensor; Speed control; Wheelchair control;

机译：辅助设备;无刷直流电机;电动轮椅感应器;速度控制;轮椅控制;

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1. A Control Method for Power-Assist Devices using a BLDC Motor for Manual Wheelchairs [J] . Kim Dong-Youn, Kim Yong-Hyu, Kim Kwang-Sik, SIAM journal on applied dynamical systems . 2017,第2期

机译：用于手动轮椅的BLDC电动机的电力辅助装置的控制方法
2. Manual wheelchair-handling skills by caregivers using new and conventional rear anti-tip devices: a randomized controlled trial. [J] . Kirby RL, Walker R, Smith C Archives of Physical Medicine and Rehabilitation . 2009,第10期

机译：护理人员使用新的和传统的后防倾倒装置的手动轮椅处理技能：一项随机对照试验。
3. Analysis of the influence of inverter PWM speed control methods on the operation of a BLDC motor [J] . Marek Pawe? Ciurys Archives of Electrical Engineering . 2018,第4期

机译：逆变器PWM速度控制方法对BLDC电动机运行影响的影响分析
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A Control Method for Power-Assist Devices using a BLDC Motor for Manual Wheelchairs

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