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Effects of rubber-tired skidder and farm tractor on physical properties of soil in plantation areas in the north of Iran
aspen skid trail skidding machine soil disturbance timber skidding
2015/9/15
Physical properties of soil can be affected by machines that are used for skidding which have the potential to impact soil sustainability and forest productivity. The present study evaluated the effec...
MULTITEMPORAL HYPERSPECTRAL DATA ANALYSIS FOR REGIONAL DETECTION OF PLANT STRESS BY USING AN AIRBORNE-AND TRACTOR-BASED SPECTROMETER–CASE STUDY: SUGAR BEET DISEASE RHIZOCTONIA SOLANI
Sugar Beet Hyperspectral Remote Sensing GIS Vegetation Indices OSAVI Multitemporal Classification
2015/8/10
Every year sugar beet diseases cause lower sugar beet yields and qualities compared to the average. For that reason, high resolution field and airborne hyperspectral data is used to recognize a fungal...
Geometric performance parameters of three-point hitch linkage system of a 2WD Indian tractor
kinematic linkage analysis Newton-Raphson solution virtual hitch point
2015/5/18
Geometric performance parameters of three-point hitch system of a most sold model of a 2-wheel drive Indian tractor were determined by generating the path of upper and lower hitch points by kinematic ...
Productivity and cost of farm tractor skidding
skidding operation continuous time study regression model forest system efficiency Iranian forest
2015/4/14
In this study, productivity rate and operation cost of farm tractor were evaluated in a mountainous natural forest. Data for the study came from a detailed time study in the Research and Educational F...
Development and evaluation of full-vehicle vibration model of MF 285 tractor
step function simulation transmitted vibrations Matlab software
2014/9/22
The vibration transmitted to the tractor driver not only leads to the driver health problems, but also reduces the driver working efficiency. One of the methods utilized to reduce driver vibration is ...
THE DIFFUSION OF THE TRACTOR IN AMERICAN AGRICULTURE: 1910-1960
THE DIFFUSION THE TRACTOR AMERICAN AGRICULTURE
2014/6/27
This paper examines the impact and diffusion of the gasoline tractor in American agriculture. A key feature of the transition from horses to tractors was a long intermediate stage when both modes of p...
the operation of agricultural tractor with universal ecological oil
synthetic oil hydraulic pump fl ow characteristic
2014/2/24
h is contribution presents the results of the research into the characteristics of ecological oil labelled MOL Farm UTTO
Synt in the tractor operating conditions. Biodegradable fl uid was appl...
Evaluation of tractor biodegradable hydraulic fluids on the basis of hydraulic pump wear
test bench cleanliness level flow efficiency agricultural tractor fluid temperature
2014/2/24
Two types of biodegradable hydraulic fluids (HEES and HEPR) with the mineral oil-based hydraulic fluid (HV) were
compared. The tests were performed using a test bench. During the tests with a tracto...
Determination of the effect of biodiesel use on power take-off performance characteristics of an agricultural tractor in a test laboratory
Tractor power take-off performance characteristics
2011/6/29
Tractor performance tests conducted under laboratory test conditions are important because these tests determine the performance characteristics used to compare strengths and weaknesses of tractors.
Determination of the eff ect of biodiesel use on power take-off performance characteristics of an agricultural tractor in a test laboratory
Tractor power take-off performance characteristics biodiesel
2011/3/29
Tractor performance tests conducted under laboratory test conditions are important because these tests determine
the performance characteristics used to compare strengths and weaknesses of tractors. ...
基于自适应模糊控制的拖拉机自动导航系统（Autonomous Navigation System for Agricultural Tractor Based on Self-adapted Fuzzy Control）
拖拉机 模糊控制 遗传算法
2010/12/29
阐述了一种基于自适应模糊控制的拖拉机自动导航系统。由PLC、电控开关液压阀和比例方向液压阀组成自动转向控制系统，设计了PD转向控制算法；为提高拖拉机自动导航的精度和稳定性，提出了一种基于遗传算法的自适应模糊控制方法，采用遗传算法在线优化模糊控制规则以及输出比例因子，既保留了传统模糊控制的优点，又有效改善了系统的控制品质；仿真和田间试验结果表明，该方法可以迅速消除跟踪误差，响应速度快，超调小，系统工...
Effects of Soil Compaction by Tractor Traffic on reclaimed soil in Isahaya Bay
reclaimed field of Isahaya Bay soil compaction
2010/12/3
At a reclaimed field of Isahaya Bay, a vehicle running test was conducted using tractors, and the penetration resistance (cone index) of soil before and after the running was compared. From this resul...
Reduction Rates of Fuel Consumption by Gear Up and Throttle Down on an Agricultural Tractor
engine speed road traveling rotary tillage
2010/10/25
We investigated the effect of operating conditions such as travel gears, PTO gears and engine speed of a 24kW agricultural tractor on fuel consumption. In the indoor tests, we found that as the PTO po...
Present Situation of Tractor Implement Row-following Operation in Large-scale Upland Farming
crop management tractor implements row spacing
2010/12/2
This study was to examine farmer's working conditions and the accuracy of tractor implements in following rows in a field, and to consider the most appropriate control speed of such implements as prel...
Tractor Power Requirement of No-Tillage Seeder under Different Cover Crop Residue Management
Cover crops No-tillage seeder Power requirement
2010/12/3
No-tillage with cover crop has great potential to improve soil quality, however, it is still not clear what no-tillage seeding technique should be used under cover crop residue mulch in upland crop pr...