The sickle is still an ultimate choice hand tool for harvesting the new variety of rice. This preference continues. The sickles used by Balinese harvester are usually nonserrated. The sharpness of nonserrated sickles is reduced quickly, so the harvester needs time to sharpen them frequently, which mean time loss and productivity reduction. To solve this problem, research has been conducted usin...

FACULTY OF PHYSICAL AND APPLIED SCIENCES SCHOOL OF ELECTRONICS AND COMPUTER SCIENCE Doctor of Philosophy DESIGN, MODELLING AND CHARACTERISATION OF IMPACT BASED AND NON-CONTACT PIEZOELECTRIC HARVESTERS FOR ROTATING OBJECTS

Energy consumption is a perennial issue in the design of wireless sensor networks (WSNs) which typically rely on portable sources like batteries for power. Recent advances in ambient energy harvesting technology have made it a potential and promising alternative source of energy for powering WSNs. By using energy harvesters with supercapacitors, WSNs are able to operate perpetually until hardwa...

The scope of this paper is to describe the work of manual sugarcane harvesters, assessing the nutritional behavior and body composition between the beginning and the end of the harvest. A descriptive longitudinal study was made of harvesters in Piracicaba, São Paulo, Brazil, who answered a socio-demographic questionnaire and authorized measurement of Body Mass Index, Body Fat Percentage and Arm...

Civil and Environmental Engineering) Control of Vibratory Energy Harvesters in the Presence of Nonlinearities and Power-Flow Constraints by Ian L. Cassidy Department of Civil and Environmental Engineering Duke University