Low-Cost, Flexible, and Reliable Hybrid Wheelchair Controller for Patients with Tetraplegia

Al-Okby, Mohammed Faeik Ruzaij; Neubert, S.; Stoll, Norbert; Thurow, Kerstin

doi:10.1109/cbs46900.2019.9114524

Cited by 7 publications

(3 citation statements)

References 14 publications

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“…The main goal of the proposed work is to evaluate, which parameter should be used in future design for hazardous gases detection and alarming systems. A combination of two different gas measurement parameters such as the IAQ-index and TVOC will allow the system to minimize false-positive as well as false-negative gas detection errors [7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Evaluating of IAQ-Index and TVOC Parameter-Based Sensors for Hazardous Gases Detection and Alarming Systems

Al-Okby

Neubert

Roddelkopf

et al. 2022

Sensors

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The measurement of air quality parameters for indoor environments is of increasing importance to provide sufficient safety conditions for workers, especially in places including dangerous chemicals and materials such as laboratories, factories, and industrial locations. Indoor air quality index (IAQ-index) and total volatile organic Compounds (TVOC) are two important parameters to measure air impurities or air pollution. Both parameters are widely used in gases sensing applications. In this paper, the IAQ-index and TVOCs have been investigated to identify the best and most flexible solution for air quality threshold selection of hazardous/toxic gases detection and alarming systems. The TVOCs from the SGP30 gas sensor and the IAQ-index from the SGP40 gas sensor were tested with 12 different organic solvents. The two gas sensors are combined with an IoT-based microcontroller for data acquisition and data transfer to an IoT-cloud for further processing, storing, and monitoring purposes. Extensive tests of both sensors were carried out to determine the minimum detectable volume depending on the distance between the sensor node and the leakage source. The test scenarios included static tests in a classical chemical hood, as well as tests with a mobile robot in an automated sample preparation laboratory with different positions.

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Section: Introductionmentioning

confidence: 99%

Evaluating of IAQ-Index and TVOC Parameter-Based Sensors for Hazardous Gases Detection and Alarming Systems

Al-Okby

Neubert

Roddelkopf

et al. 2022

Sensors

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“…The system detection results of using hybrid/multi-sensors will be more authenticated than the result of using a single sensor, where the occurrence of false-positive/negative errors is more possible. The hybrid sensing elements may use different manufacturing/detection technologies/methodologies, which enhance the performance and increase the reliability and sobriety of the system [65][66][67][68][69][70]. For example, instead of using one MOX sensor for detecting CO 2 gas, we can use one MOX and one optical sensor in parallel to detect the CO 2 and if both of them have the same range of responses this means we get a very reputed measurement in comparison to a single sensor response.…”

Section: Hybrid/multi-sensor Systemsmentioning

confidence: 99%

Mobile Detection and Alarming Systems for Hazardous Gases and Volatile Chemicals in Laboratories and Industrial Locations

Al-Okby

Neubert

Roddelkopf

et al. 2021

Sensors

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The leakage of hazardous gases and chemical vapors is considered one of the dangerous accidents that can occur in laboratories, workshops, warehouses, and industrial sites that use or store these substances. The early detection and alarming of hazardous gases and volatile chemicals are significant to keep the safety conditions for the people and life forms who are work in and live around these places. In this paper, we investigate the available mobile detection and alarming systems for toxic, hazardous gases and volatile chemicals, especially in the laboratory environment. We included papers from January 2010 to August 2021 which may have the newest used sensors technologies and system components. We identified (236) papers from Clarivate Web of Science (WoS), IEEE, ACM Library, Scopus, and PubMed. Paper selection has been done based on a fast screening of the title and abstract, then a full-text reading was applied to filter the selected papers that resulted in (42) eligible papers. The main goal of this work is to discuss the available mobile hazardous gas detection and alarming systems based on several technical details such as the used gas detection technology (simple element, integrated, smart, etc.), sensor manufacturing technology (catalytic bead, MEMS, MOX, etc.) the sensor specifications (warm-up time, lifetime, response time, precision, etc.), processor type (microprocessor, microcontroller, PLC, etc.), and type of the used communication technology (Bluetooth/BLE, Wi-Fi/RF, ZigBee/XBee, LoRa, etc.). In this review, attention will be focused on the improvement of the detection and alarming system of hazardous gases with the latest invention in sensors, processors, communication, and battery technologies.

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“…In [12] the system is proposed to serve the paralyzed patients hand movement issues. In this system patients wear the sensor gloves to recognize the movement of fingers to control the home appliances, like smart tv, fridge, ac and door locks, also it monitors the patient's heart rates and body temperature if it varies with actual value, heart rate of the patient exceeds then the buzzer will be activated and the system will send the message to care taker through GSM module [14]. IoT is a heart of all innovative domains like it worked in surveillance monitoring, supply chain management and healthcare monitoring, these capacities are integrated with IoT with the respected management vendor systems, these three categories with more applications are discussed in Figure1.…”

Section: Literature Reviewmentioning

confidence: 99%

Design and implementation of monitoring system for paralysis patient using IoT

Beenish

Nasar

Sheikh

et al. 2021

KJCIS

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Internet of things represents a catch line of smart applications. At the same time it plays a leading role in the health care systems, as it provides the connectivity of the distant patients, who are not able to express their concerns. In this modern era there are a lot of technologies that are being used in different healthcare fields for paralyzed people. This paper proposed a model for paralyzed patient by considering Arduino with the integration of gyro sensors for the patient hand and finger movement. Patient can easily be connected with this device by sending his message to caretaker only by moving their hands into respective directions, or they can send their message by moving their fingers and feet. Through this device paralyzed patient will be able to convey their messages to caretakers, so they can assist the patient. This system will enhance the medical care to those patients who are even not able to convey their message.

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Low-Cost, Flexible, and Reliable Hybrid Wheelchair Controller for Patients with Tetraplegia

Cited by 7 publications

References 14 publications

Evaluating of IAQ-Index and TVOC Parameter-Based Sensors for Hazardous Gases Detection and Alarming Systems

Evaluating of IAQ-Index and TVOC Parameter-Based Sensors for Hazardous Gases Detection and Alarming Systems

Mobile Detection and Alarming Systems for Hazardous Gases and Volatile Chemicals in Laboratories and Industrial Locations

Design and implementation of monitoring system for paralysis patient using IoT

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