The aim of this paper is a comparison of the operating parameters of combine harvesters on a selected farm. The working parameters were measured and evaluated on combine harvesters of the CLAAS and CASE IH brand by different ages and different concepts of threshing. Measuring took place in the season of 2013 and 2014 (Lexion 770 in 2012 too). Working parameters in this case mean the performance...

MEMS energy harvesters are attracting researchers’ attentions from both academia and industries for the self-powering of sensing systems in vehicular applications. The possibility to convert the power contained in the mechanical vibrations into electrical power offers the possibility to replace traditional wired sensors with wireless devices, to simplify the on-board architecture, increase main...

Energy harvesting systems such as self-powered wireless sensor nodes rely on a diverse set of energy sources in their continuously changing environment for power. A highly flexible power supply with multiple sources is needed to deal with large variation in environmental conditions. This paper describes an integrated power management system for use with multiple energy harvesters, which employs...

Energy harvesting is an emerging technology with applications to handheld, portable and implantable electronics. Harvesting ambient vibration energy through piezoelectric (PE) means is a popular energy harvesting technique that can potentially supply 10 to 100’s of μW of available power [1]. One of the limitations of existing PE harvesters is in their interface circuitry. Commonly used full-bri...

This paper describes shoe-mounted piezoelectric vibration energy harvesters (PVEHs). The PVEHs were fabricated from Pb(ZrTi)O3 (PZT) thin films which were directly deposited onto Pt/Ti-coated stainless steel foil by rf-magnetron sputtering. We experimentally and theoretically evaluated impulse responses of the PVEHs by applying a simple impulse input on the energy harvesters, typical damped fre...

Energy harvesting is an emerging technology with applications to handheld, portable, and implantable electronics. Harvesting ambient vibration energy through piezoelectric (PE) means is a popular energy-harvesting technique that can potentially supply 10’s-100’s of μW of available power [1]. One of the limitations of existing PE-harvesters is in their interface circuitry. Commonly used full-bri...

Unsolicited commercial emails (UCE, spam) are currently being fought using reactive methods, filtering being the most common. Reacting means to be always one step behind. So the focus on fighting spam should be on prevention. Current proposals focus on fixing SMTP's lack of authentication, but introduce two major problems: First of all current attempts break existing functionality and, second, ...

This paper considers a dynamic common agency model of natural resource harvest quota regulation in which both conservationists and harvesters vie to influence the regulator’s quota allocations as well as the choice of regulator. Conservationists tend to benefit from the adoption of regulation since the regulator will reduce the aggregate harvest quota relative to the unregulated equilibrium. Ha...

Microbial fuel cells (MFC’s) are promising energy harvesters to constantly supply energy to sensors deployed in aquatic environments where solar, thermal and vibration sources are inadequate. In order to show the ready-to-use MFC potential as energy scavengers, this paper presents the association of a durable benthic MFC with a few dollars of commercially-available power management units (PMU’s...

A user friendly, computer based program has been developed to estimate the performance and cost of sugarcane combine harvesters and associated infield transport vehicles. The model was originally developed to assess the effect of various field parameters, infield cultural practices and also the number and capacity of infield transport vehicles on harvester output. A costing program was subseque...