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The Human Response Study To Whole Body Vibration In The Cab Of Heavy Duty Truck
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Book Synopsis The Human Response Study to Whole-body Vibration in the Cab of Heavy Duty Truck by :
Download or read book The Human Response Study to Whole-body Vibration in the Cab of Heavy Duty Truck written by and published by . This book was released on 2009 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lower back pains are observed to be the most significant problem for most of the industrial workers who operate commercial trucks. Several factors such as road type, truck type, load, etc, have been found to affect the vibration exposure on the truck drivers. The main purpose of the current research is to collect the responses of Whole-body vibration to the truck driver and analyze the current levels of excitation from a variety of trucks. Present thesis work also examines the effects of different trucks, road types and loads to Whole-body vibration. Data collected in the United States on different types of trucks were processed with different processors and analysed as per the international standards: ISO 2361-1. First set of data were taken with HVM-100 on a scheduled on-road route from driver's seat cushion on different roads and load conditions. Second set of data were collected by DEWE data acquisition system from the trucks running on the same on-road route, with the application of additional transducers on driver's seat back, passenger's seat cushion as well as the cab floor. The frequency-weighted r.m.s accelerations were compared by different trucks on two different road types: interstate and rural highway for HVM data. The results from the same trucks with loaded trailer or without loaded trailer were also discussed in this thesis. The data recorded by DEWE system were analyzed with Matlab program to compare the frequency-weighted accelerations for different trucks. Additional analysis with VDV and jerk were also done. Road type was the primary factor affecting the driver's exposure. For both studies, the minimum 8-hr and the minimum 11-hr standard limits requiring a medical examination set by the standard for health were exceeded several times whereas the same for comfort was exceeded a lot of times. Overall, the driver was found to be safe as per ISO 2631-1 but the comfort levels were often exceeded. It is suggested that necessary action be taken to increase the comfort.
Book Synopsis Human Response to Vibration and Shock - Whole-body Vibration of Heavy Equipment Operators by : Donald E. Wasserman
Download or read book Human Response to Vibration and Shock - Whole-body Vibration of Heavy Equipment Operators written by Donald E. Wasserman and published by . This book was released on 1979 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Framework to Study Human Response to Whole Body Vibration by : Salam Rahmatalla
Download or read book A Framework to Study Human Response to Whole Body Vibration written by Salam Rahmatalla and published by . This book was released on 2007 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Whole-body Vibration Exposure of Workers During Heavy Equipment Operation by : Donald E. Wasserman
Download or read book Whole-body Vibration Exposure of Workers During Heavy Equipment Operation written by Donald E. Wasserman and published by . This book was released on 1978 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Response to Vibration by : Neil J. Mansfield
Download or read book Human Response to Vibration written by Neil J. Mansfield and published by CRC Press. This book was released on 2004-10-28 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through continued collaboration and the sharing of ideas, data, and results, the international community of researchers and practitioners has developed an understanding of many facets of the human response to vibration. At a time when the EU is preparing to adopt a directive on health risks arising from occupational exposure to vibration, Human Response to Vibration offers authoritative guidance on this complex subject. Individual chapters in the book examine issues relating to whole-body vibration, hand-arm vibration, and motion sickness. Vibration measurements and standards are also addressed. This book meets the needs of those requiring knowledge of human response to vibration in order to make practical improvements to the physical working environment. Written with the consultant, practitioner, researcher, and student in mind, the text is designed to be an educational tool, a reference, and a stimulus for new ideas for the next generation of specialists.
Book Synopsis Mechanics of Heavy-duty Trucks and Truck Combinations by : University of Michigan. Engineering Summer Conferences
Download or read book Mechanics of Heavy-duty Trucks and Truck Combinations written by University of Michigan. Engineering Summer Conferences and published by . This book was released on 1986 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Human Response to Vibration by : J. C. Guignard
Download or read book Human Response to Vibration written by J. C. Guignard and published by . This book was released on 1970 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Vehicle Dynamics by : Thomas Gillespie
Download or read book Fundamentals of Vehicle Dynamics written by Thomas Gillespie and published by SAE International. This book was released on 2021-04-29 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: A world-recognized expert in the science of vehicle dynamics, Dr. Thomas Gillespie has created an ideal reference book that has been used by engineers for 30 years, ranging from an introduction to the subject at the university level to a common sight on the desks of engineers throughout the world. As with the original printing, Fundamentals of Vehicle Dynamics, Revised Edition, strives to find a middle ground by balancing the need to provide detailed conceptual explanations of the engineering principles involved in the dynamics of ground vehicles with equations and example problems that clearly and concisely demonstrate how to apply such principles. A study of this book will ensure that the reader comes away with a solid foundation and is prepared to discuss the subject in detail. Ideal as much for a first course in vehicle dynamics as it is a professional reference, Fundamentals of Vehicle Dynamics, Revised Edition, maintains the tradition of the original by being easy to read and while receiving updates throughout in the form of modernized graphics and improved readability. Inasmuch as the first edition proved to be so popular, the Revised Edition intends to carry on that tradition for a new generation of engineers.
Book Synopsis Analysis of an Intervention to Reduce Truck Drivers' Exposure to Whole-body Vibration by : Thomas Louwers
Download or read book Analysis of an Intervention to Reduce Truck Drivers' Exposure to Whole-body Vibration written by Thomas Louwers and published by . This book was released on 2016 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction. The high prevalence of low back pain in drivers of commercial motor vehicles is well-documented. A number of interventions to reduce low back pain in commercial motor vehicle operators have focused on reducing exposures to wholebody vibration (WBV). Objective. An intervention to be evaluated for the trucking industry is an air-filled ballistic seat pad designed to reduce exposure to WBV. The effectiveness of the seat pad in semi-trucks has not yet been established. Results from a previous pilot study involving 12-ton and 16-ton vibratory rollers used by Seattle Public Utility drivers suggest that the seat pad is not effective at very low speeds (1-3 mph). Methods. The current study measures, characterizes and compares WBV exposures in nine truck drivers who operated their trucks over the same roads. WBV exposures were compared between their existing air-suspension seat and the air-filled ballistic seat pad which sat on top of their existing seat. This study uses a Wilcoxon signed rank test to compare the seat pad’s effectiveness in reducing WBV exposures relative to their existing air-suspension seat. Results. Overall, the truck drivers' vibration exposures were above daily vibration action values set by the International Standards Organization (ISO) and the air-filled ballistic seat pad did not significantly reduce WBV exposures relative to the WBV exposures experienced with their existing air-suspension seat. Conclusions. In the semi-trucks evaluated in this study, the air-filled ballistic seat pad was not effective in reducing WBV exposures. The seat pad has been shown to be effective in reducing WBV exposures in public transportation buses and cars. The answer for why the air-filled seat pads were not effective in semi-trucks may lie in a future analysis of the power spectral densities, which shows the vibration exposures as a function of frequency. Buses and cars produce more high frequency vibration energy, and the air-filled seat pad has been shown to be effective in these vehicles when travelling at moderate to high speeds. Trucks may produce less high frequency vibration energy, and this may have diminished the air-filled seat pad’s effectiveness in the semi-truck evaluated in this study.
Book Synopsis The Effects of Whole-Body Vibration by : Heinrich Dupuis
Download or read book The Effects of Whole-Body Vibration written by Heinrich Dupuis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: The observations made by Paracelsus concerning the dose-effect relationship of poison are generally just as applicable to health threatening vibration. With regard to kind, intensity, and duration of the vibration, the "dose" is decisive as to whether the conse quences are detrimental, unmeaningful, or tolerable with respect to health. This law of nature determines the tasks and goals of those whose aim is to safeguard health. Researchers worldwide have been occupying themselves with this many-faceted question for some time: how mechanical vibration affects the human organism and at what point damage occurs. If prevention in occupational medicine is to succeed, it is most important that the gaps in our present knowledge be closed, for if technical preventive measures are to be effective and preventive means in occupational medicine successful, they must be based on reliable and complete findings. Whenever many independent researchers have worked in a given field for a long period, a comprehensive intermediate as sessment is appropriate to evaluate the level achieved and the direction the research is going. In the area of hand-arm vibration, this evaluation has already been carried out, and the response aroused by this particular research report had led to a demand for a comparable evaluation of the research results on whole-body vibration. This report presents clearly and exhaustively the current status of international knowledge, as well as the questions that remain to be answered.
Book Synopsis Whole-body Vibration Assessment of the M915A2 Truck Tractor by :
Download or read book Whole-body Vibration Assessment of the M915A2 Truck Tractor written by and published by . This book was released on 1994 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ergonomic Workplace Design for Health, Wellness, and Productivity by : Alan Hedge
Download or read book Ergonomic Workplace Design for Health, Wellness, and Productivity written by Alan Hedge and published by CRC Press. This book was released on 2016-08-05 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: Even with today’s mobile technology, most work is still undertaken in a physical workplace. Today’s workplaces need to be healthy environments that minimize the risks of illnesses or injuries to occupants to compete in the marketplace. This necessitates the application of good ergonomics design principles to the creation of effective workplaces, and this is the focus of this book. This book will: · Focus on ergonomic design for better health and ergonomic design for better productivity · Presents environments that support new ways of working and alternative workplace strategies, as well as the impacts of new technologies · Covers the role of ergonomics design in creating sustainable workplaces · Includes ergonomics design for a wide variety of workplaces, from offices to hospitals, to hotels to vehicles, etc... · Shows the design principles on how to design and create a healthy and productive workplace The market lacks an ergonomics design book that covers the topics that this book will cover. This book summarizes design principles for practitioners, and applies them to the variety of workplace settings described in the book. No other book currently on the market does that.
Book Synopsis Relationship Between Whole Body Vibration and Morbidity Patterns Among Heavy Equipment Operators by : Thomas H. Milby
Download or read book Relationship Between Whole Body Vibration and Morbidity Patterns Among Heavy Equipment Operators written by Thomas H. Milby and published by . This book was released on 1974 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heavy Vehicle Seat Vibration and Driver Fatigue by : Nick Mabbott
Download or read book Heavy Vehicle Seat Vibration and Driver Fatigue written by Nick Mabbott and published by . This book was released on 2001 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis TRUCK CAB VIBERATIONS AND HIGHWAY SAFETY by : T.D. Gillespie, L. Segel, R.D. Ervin, L.W. Schneider, K.L. Campbell
Download or read book TRUCK CAB VIBERATIONS AND HIGHWAY SAFETY written by T.D. Gillespie, L. Segel, R.D. Ervin, L.W. Schneider, K.L. Campbell and published by . This book was released on 1982 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the Second American Conference on Human Vibration by : Department of Health and Human Services
Download or read book Proceedings of the Second American Conference on Human Vibration written by Department of Health and Human Services and published by CreateSpace. This book was released on 2013-10 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal and the main thrust of the Second American Conference on Human Vibration were to provide a forum for scientists, engineers, medical doctors, industrial hygienists, and educators to learn and advance research/education in the unique area of human body vibration. In promoting health and safety and in stimulating progress, leaders in the field were invited to share their insight and expertise in addition to the excellent and plausible papers on the presentation schedule. These proceedings of the conference will serve as a means of continuing the dialogue. This unique forum afforded participants opportunities to learn firsthand what their peers and colleagues are working on and to exchange information on a variety of relevant topics including human response, human modeling, experimental design, sensors, new technologies, and epidemiology studies in human responses to hand-transmitted and whole-body vibration. This research is essential for better understanding the risk factors for adverse effects related to vibration and for designing more effective interventions to prevent painful and potentially disabling work-related injuries. This conference addressed contemporary issues regarding occupational health, prevention measures, and scientific data collection used to study the complex, dynamic human response to vibration. The agenda included a rich and diverse scientific program as researchers and medical professionals from around the world gathered to examine human responses to hand-transmitted vibration and whole-body vibration.
Book Synopsis Experimental and Analytical Study of Transmission of Whole-body Vibration to Segments of the Seated Human Body by : Anand Madakashira-Pranesh
Download or read book Experimental and Analytical Study of Transmission of Whole-body Vibration to Segments of the Seated Human Body written by Anand Madakashira-Pranesh and published by . This book was released on 2011 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prolonged exposure to whole body vibration (WBV) has been associated with prevalence of spinal disorders among operators of vibrating mobile machinery. The study of biodynamic responses of body segments is thus pertinent for our understanding of potential injury mechanisms and designs of interventions. This study concerns seated body biodynamic responses to vertical vibration through measurements at the driving-point and at body segments, and development of an analytical model for prediction of global and localised responses. Experiments were undertaken to simultaneously measure driving-point apparent mass (APMS) and body segment acceleration transmissibility of 12 adult subjects under random vertical vibration in the 0.5-20 Hz frequency range. Measurements were taken at the C7, T5, T12, L3 and L5 vertebral locations along the fore-aft and vertical axes using skin-mounted micro-accelerometers, and at the scalp using a light-weight head strap with a micro-accelerometer. The study involved four sitting postures realised with different combinations of hands position (on the lap or on the steering wheel) and back support (none or a vertical support), and three excitation magnitudes (0.25, 0.5 and 1 m/s2 RMS). Mathematical correction methods were employed to account for skin effects, sensor misalignments, and seat inertia effects. The corrected body-segment responses of the twelve subjects depicted a clear dependence on the back support condition (p
