Number of co-authors:14
Number of publications with 3 favourite co-authors:Ashish D. Nimbarte:1Robert Chapleski:1Yun Sun:1
Fereydoun Aghazadeh's 3 most productive colleagues in number of publications:Colin G. Drury:32Stephan Konz:15Mark S. Sanders:11
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Publications by Fereydoun Aghazadeh (bibliography)
Aghazadeh, Fereydoun, Al-Qaisi, Saif, Ikuma, Laura and Hutchinson, Francis (2012): Valve Operation: Evaluation of Handwheel Actuation Techniques in Terms of Muscle Loading, Perceived Comfort, and Efficiency. In: Proceedings of the Human Factors and Ergonomics Society 2012 Annual Meeting 2012. pp. 1168-1172.
The purpose of this study was to introduce an innovative design of a valve wrench and compare it to conventional tools/methods of handwheel actuation. Four methods of handwheel actuation were evaluated, including using bare hands, regular wrench-restricted (assumes the presence of obstructions), regular wrench-unrestricted (assumes no obstructions), and modified wrench. These methods were tested on a medium-sized gate valve at two torque settings (25 Nm and 50 Nm). The methods were compared to each other, in terms of efficiency (speed), subjective ratings of perceived exertion (Borg ratings), and electromyography (EMG) activity of the left bicep and right medial deltoid. The least efficient technique at both torques was the regular wrench-restricted, and the most efficient technique was the modified wrench. At 25 Nm, the modified wrench was optimal, in that it was the most efficient and had moderately low EMG activity and Borg ratings. At 50 Nm, the regular wrench-unrestricted seemed to be the best method, having the lowest EMG activity and Borg ratings. In contrast, the bare hands technique had the highest EMG activity.
© All rights reserved Aghazadeh et al. and/or Human Factors and Ergonomics Society
Nimbarte, Ashish D., Aghazadeh, Fereydoun and Sun, Yun (2010): Understanding the Physical Risk Factors Affecting Cervical Musculoskeletal Disorders. In: Proceedings of the Human Factors and Ergonomics Society 54th Annual Meeting 2010. pp. 1200-1204.
In spite of strong epidemiological evidence associating neck or cervical spine disorders with forceful arm exertions common at workplaces, effect of such exertions as causative of neck musculoskeletal disorders (MSD) is currently not well understood. In this study the effect of isometric lifting tasks at elbow, shoulder and overhead heights on the activities of two major neck muscles, sternocleidomastoid (anterior neck muscle) and upper trapezius (posterior neck muscle), was evaluated by using electromyography (EMG). Thirty
© All rights reserved Nimbarte et al. and/or HFES
Aghazadeh, Fereydoun, Hirschfeld, Robert and Chapleski, Robert (1993): Industrial Robot Use: Survey Results and Hazard Analysis. In: Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting 1993. pp. 994-998.
Robotic workcells have proliferated in recent years but safety guidance in the area of safety sensing devices has not kept pace. Research investigating current robot use was conducted through safety survey questionnaires returned from 29 robot using corporations across the nation. The research goal was to identify the hazards which workers are exposed to while working near robots. Only 5% of robots were found to have redundant sensing and 40% could not be physically enclosed in barrier perimeters. In addition, personnel were found to enter a robot's work area for 38% of an 8 hour day. Based upon the survey results, a hazard analysis was created to assist in the evaluation of robot workstation safety. The hazard analysis recommends that safety sensors should be integrated in a layered protection system with an external perimeter, an internal workzone area, and a software path monitoring system.
© All rights reserved Aghazadeh et al. and/or Human Factors Society
Zwahlen, Helmut T., Aghazadeh, Fereydoun, Drury, Colin G., Gardner-Bonneau, Daryle Jean, Johnson, Steven, Konz, Stephan, Mital, Anil and Sanders, Mark S. (1988): Undergraduate and Graduate Courses in Industrial Ergonomics, Industrial Human Factors and Industrial Safety -- Where are We Today and Where Do We Need to Be in the Future?. In: Proceedings of the Human Factors Society 32nd Annual Meeting 1988. p. 495.
The field of human factors, ergonomics, and safety has grown and expanded rapidly over the last two decades. The area of industrial ergonomics, industrial human factors, and industrial safety is becoming a smaller and smaller subset among the new emerging areas within the general human factors field and efforts of the Human Factors Society. The Human Factors Society has started an accreditation program for human factors education at the graduate level. At this point in time the accreditation document of the Human Factors Society is rather non-specific when it comes to the descriptions, teaching strategies, and experiences of industrial ergonomics, industrial human factors, and industrial safety courses.
© All rights reserved Zwahlen et al. and/or Human Factors Society
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