The Human Power Chart Sustained comfortable cranking Export

@phdthesis{delftslob, abstract = {There is a growing use of consumer products that need either batteries or the electricity grid. Unfortunately, there often is no wall plug nearby, and batteries are not always readily available and they also are harmful to the environment. Products using human power could be an environment -friendly alternative to products that depend on batteries or the electricity grid. This graduation report is part of the PhD project ” Human-powered energy systems in consumer products”. This PhD project focuses on possibilities for the use of humans as a power supply for consumer products; one of its goals is a ” human power chart”: a list containing the possible power output given a specific movement and a specific conversion system. To see if human power can be used to drive consumer products, research must be done to find out whether humans are capable of exerting force to a conversion system. Which muscles can be used; what is the power output; and can the force be exerted comfortably? Available literature provides but little information on these topics. It describes mostly static strength, while this report focuses on dynamic strength, and the authorities on strength state that there is no relation between static and dynamic strengths. Literature also focuses on maximum strength; for longer periods of static force exertion, a standard of 15\% of the maximum strength is used. Whether this standard is also relevant for dynamic force exertion is unknown. Furthermore, little is known about comfortable force exertion. Therefore, a research instrument and a measuring method have been designed and data have been collected about cranking and gripping/squeezing. This report presents the results together with the recommendations. The results about cranking are added to the human power chart.}, author = {Slob, Peter}, citeulike-article-id = {1386473}, citeulike-linkout-0 = {http://personeel.ewi.tudelft.nl/live/binaries/aa8ac26d-6500-49d1-b2f8-3310bdb4f1c3/doc/slob.pdf}, keywords = {chart, cranking, harvesting, human, power}, posted-at = {2007-06-13 06:18:46}, priority = {2}, school = {Delft University of Technology}, title = {The Human Power Chart Sustained comfortable cranking}, url = {http://personeel.ewi.tudelft.nl/live/binaries/aa8ac26d-6500-49d1-b2f8-3310bdb4f1c3/doc/slob.pdf}, year = {2000} }

TY - THES ID - delftslob L3 - citeulike-article-id:1386473 N2 - There is a growing use of consumer products that need either batteries or the electricity grid. Unfortunately, there often is no wall plug nearby, and batteries are not always readily available and they also are harmful to the environment. Products using human power could be an environment -friendly alternative to products that depend on batteries or the electricity grid. This graduation report is part of the PhD project “Human-powered energy systems in consumer products”. This PhD project focuses on possibilities for the use of humans as a power supply for consumer products; one of its goals is a “human power chart”: a list containing the possible power output given a specific movement and a specific conversion system. To see if human power can be used to drive consumer products, research must be done to find out whether humans are capable of exerting force to a conversion system. Which muscles can be used; what is the power output; and can the force be exerted comfortably? Available literature provides but little information on these topics. It describes mostly static strength, while this report focuses on dynamic strength, and the authorities on strength state that there is no relation between static and dynamic strengths. Literature also focuses on maximum strength; for longer periods of static force exertion, a standard of 15% of the maximum strength is used. Whether this standard is also relevant for dynamic force exertion is unknown. Furthermore, little is known about comfortable force exertion. Therefore, a research instrument and a measuring method have been designed and data have been collected about cranking and gripping/squeezing. This report presents the results together with the recommendations. The results about cranking are added to the human power chart. TI - The Human Power Chart Sustained comfortable cranking PB - Delft University of Technology KW - chart KW - cranking KW - harvesting KW - human KW - power AU - Slob, Peter PY - 2000/// UR - http://personeel.ewi.tudelft.nl/live/binaries/aa8ac26d-6500-49d1-b2f8-3310bdb4f1c3/doc/slob.pdf ER -