Zobrazeno 1 - 10
of 74
pro vyhledávání: '"V. Prošek"'
Publikováno v:
Research in Agricultural Engineering, Vol 57, Iss 2, Pp 51-55 (2011)
The main aim of this article is to present a technical solution for straw and forage yield mapping when using round balers with variable chamber for harvest. The yield measurement is based on monitoring of instantaneous position of a tension roller m
Externí odkaz:
https://doaj.org/article/4829ec27f51743e58ff8c650ebae5d8e
Publikováno v:
Research in Agricultural Engineering, Vol 54, Iss 3, Pp 130-135 (2008)
This article describes the results of the analysis of correlation between the soil electrical conductivity and BPEJ (valued soil-ecological units). The measurements were made in 2006 at the School Agribusiness Land Farm in Lány established by the Cz
Externí odkaz:
https://doaj.org/article/149730ed3ec146e78fb882cff0acb5f0
Publikováno v:
Research in Agricultural Engineering, Vol 53, Iss 4, Pp 149-154 (2007)
A new parallel plate capacitance sensor was built consisting of two metal sheets. The sensor - a capacitor and the whole oscillating circuit was driven at 27 MHz frequency. Dynamic laboratory experiments were performed with grass from a natural meado
Externí odkaz:
https://doaj.org/article/21f82d78b16b4db7a0ca2b07c11d6ef7
Publikováno v:
Research in Agricultural Engineering, Vol 53, Iss 1, Pp 1-7 (2007)
Measuring soil surface profile has many purposes in the field of agriculture and landscape management. For example, it concerns quantitative evaluation of work quality of soil cultivation implements, and related assessment of soil surface status prio
Externí odkaz:
https://doaj.org/article/405288d847564d0480fd7667bb9ebdca
Publikováno v:
Research in Agricultural Engineering, Vol 52, Iss 4, Pp 123-128 (2006)
The main aim of this article is to evaluate the possibility of forage yield maps creating based on mowing machine's conditioner power input measurement. Strong spatial dependence was observed for conditioner power input data. For the data file from m
Externí odkaz:
https://doaj.org/article/678620ba9abf4e4d8d70d8955175cbd3
Publikováno v:
Research in Agricultural Engineering, Vol 52, Iss 1, Pp 17-24 (2006)
The Czech University of Agriculture in Prague (CUA) Farm at Lány started with precision farming technology several years ago. In the first step the yield and nutrients content were monitored. For precision application development, detailed descripti
Externí odkaz:
https://doaj.org/article/625f5c6914ec4869b59d8d2f59e45386
Publikováno v:
Plant, Soil and Environment, Vol 49, Iss 11, Pp 519-524 (2003)
Two methods were developed and tested for the measurement of the mowing machine material feed rate (based on the conditioner power input measured by a torque-meter, and/or on the material change in momentum measured by a curved impact plate). The mea
Externí odkaz:
https://doaj.org/article/7113524bea344072854c03b5950d2fb3
Publikováno v:
Research in Agricultural Engineering, Vol 49, Iss 2, Pp 44-49 (2003)
The impact of materials and conditions (parameters) changes on mowing machine material feed rate measurement accuracy were measured under laboratory conditions. The influence of crop variety, crop maturity and moisture, and intensity of conditioning
Externí odkaz:
https://doaj.org/article/6109f04bfaed4499a74044237425a5f1
Publikováno v:
ResearcherID
Previous studies have shown that capacitance throughput units can be used as a source of output voltage signal for satisfactory hop-picking machine throughput control. This study investigated the possibility of capacitance throughput sensor integrati
Publikováno v:
Scientia Agriculturae Bohemica, Vol 46, Iss 3, Pp 95-99 (2015)
Material throughput measurement is important for many applications, for example yield maps creation or control of mass flow in stationary lines. Quite perspective can be the capacitive throughput method. Segmented capacitance sensor (SCS) is discusse