Wheelchair design with variable posture adjustment and obstacle-overcoming ability

Meng, Na; Yu, Ke; Zhang, Chuanzhong; Wu, Zhi; Wang, Yanquan

doi:10.1007/s40430-021-02921-w

Cited by 10 publications

(4 citation statements)

References 20 publications

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“…Mincolelli et al [15] proposed an assessment of the principle of the integration between the limitations arising from the choice of technology used on a device and the human needs obtained from the analysis of the needs of the elderly in the field of designing wearable smart objects for self-sufficient and non-self-sufficient users. Ning et al [16] designed a wheelchair with the function of posture adjustment, overcoming obstacles to meet the needs of elderly wheelchair users who want to change their body posture in complex environments to facilitate life and free movement. The high correlation between the use of mobile phones, social activity, and environmental awareness of the elderly suggests that the design methods for the elderly can increase their satisfaction with product use and subsequently improve their communication with their social environments [17].…”

Section: Literature Reviewmentioning

confidence: 99%

Design Methods for the Elderly in Web of Science, Scopus, and China National Knowledge Infrastructure Databases: A Scientometric Analysis in CiteSpace

Abdul-Rashid

Ghazilla

2022

Sustainability

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With the increasing aging population globally, issues that come with aging are becoming more severe. This prompted the governments and society to focus on the social security of the elderly. To guarantee the safety of the elderly, satisfy their emotional requirements, and assist them in adapting to a fast-changing socio-technical environment, researchers have proposed many design methods. Various researchers have studied the relevant literature and design techniques for the elderly. However, it was discovered that China is second, followed by the United States, in terms of research impact in this area. We used the literature from China National Knowledge Infrastructure (CNKI) for China. We selected 1221 papers on geriatric design techniques from the Web of Science and Scopus (W&S) and CNKI. Bibliometrics analysis was used to evaluate the current state, development process, and future trend of research on the design methods for the elderly. The findings indicated that (1) the number of studies on geriatric design approaches in W&S and CNKI is rising every year, and (2) the accentuation and complementarity of W&S and CNKI are distinct. It will be a crucial area of study in the future to develop more pleasant and convenient goods and services for the elderly, as well as to address their emotional needs and experiences.

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Section: Literature Reviewmentioning

confidence: 99%

Design Methods for the Elderly in Web of Science, Scopus, and China National Knowledge Infrastructure Databases: A Scientometric Analysis in CiteSpace

Abdul-Rashid

Ghazilla

2022

Sustainability

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“…The tunned PID controller block's response is shown in Figure 11a in the green line. Finally, a punctual mass was added to link (AE) on the CG computed by Equation (10). The mass considered on this point was 62 kg.…”

Section: Experimental Wheelchair Testmentioning

confidence: 99%

“…In recent years Research Institutes around the world have been looking to increase the quality of life of spinal cord injury (SCI) people by the development of different devices like assistive robots, the design of a mechanism for therapies and devices to transport patients between different zones of the hospital or house [1][2][3][4][5][6][7][8]. There are several examples of devices [9][10][11][12][13][14][15][16][17]. Alkhateeb shows one of them, where the seat's effect to back support angle adjustments on head, neck, and shoulder postural alignment in people with cerebral palsy [18].…”

Section: Introductionmentioning

confidence: 99%

Design of an Automated Multiposition Dynamic Wheelchair

Aguilar-Peréz

Paredes-Rojas

Sanchez-Cruz

et al. 2021

Sensors

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This work presents a design for an automatized multiposition dynamic wheelchair used to transport quadriplegic patients by reconfiguring a manual wheelchair structure. An electric actuator is attached to a four-bar mechanism fixed to each side of a wheelchair’s backrest to reach multiposition. The entire device is actuated through a PID controller. An experimental test is carried out in a simplified wheelchair structure. Finally, the structure of the wheelchair is evaluated through the Dynamic analysis and Finite Element Method under the payload computed with the most critical position reached by the mechanism.

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“…Regarding the method of adjusting the posture of a wheelchair, a multifunctional wheelchair was designed in reference [ 15 ] where the posture of the back and legs can be adjusted individually or in combination, and the adjustment mechanism of the wheelchair legs can also achieve the function of overcoming obstacles. In reference [ 16 ], the wheelchair seat was equipped with an adjustable threaded rod under it, which could adjust the posture of the seat by adjusting the height of the threaded rod.…”

Section: Introductionmentioning

confidence: 99%

Research on Intelligent Wheelchair Attitude-Based Adjustment Method Based on Action Intention Recognition

Cui,

Huang,

et al. 2023

Micromachines

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At present, research on intelligent wheelchairs mostly focuses on motion control, while research on attitude-based adjustment is relatively insufficient. The existing methods for adjusting wheelchair posture generally lack collaborative control and good human–machine collaboration. This article proposes an intelligent wheelchair posture-adjustment method based on action intention recognition by studying the relationship between the force changes on the contact surface between the human body and the wheelchair and the action intention. This method is applied to a multi-part adjustable electric wheelchair, which is equipped with multiple force sensors to collect pressure information from various parts of the passenger’s body. The upper level of the system converts the pressure data into the form of a pressure distribution map, extracts the shape features using the VIT deep learning model, identifies and classifies them, and ultimately identifies the action intentions of the passengers. Based on different action intentions, the electric actuator is controlled to adjust the wheelchair posture. After testing, this method can effectively collect the body pressure data of passengers, with an accuracy of over 95% for the three common intentions of lying down, sitting up, and standing up. The wheelchair can adjust its posture based on the recognition results. By adjusting the wheelchair posture through this method, users do not need to wear additional equipment and are less affected by the external environment. The target function can be achieved with simple learning, which has good human–machine collaboration and can solve the problem of some people having difficulty adjusting the wheelchair posture independently during wheelchair use.

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Wheelchair design with variable posture adjustment and obstacle-overcoming ability

Cited by 10 publications

References 20 publications

Design Methods for the Elderly in Web of Science, Scopus, and China National Knowledge Infrastructure Databases: A Scientometric Analysis in CiteSpace

Design Methods for the Elderly in Web of Science, Scopus, and China National Knowledge Infrastructure Databases: A Scientometric Analysis in CiteSpace

Design of an Automated Multiposition Dynamic Wheelchair

Research on Intelligent Wheelchair Attitude-Based Adjustment Method Based on Action Intention Recognition

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