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Technical Paper

Preliminary Tests of Two-Stroke Cycle Engines Fueled by Ethanol/Sunflower Oil Mixtures

1982-02-01
820951
Two stroke cycle chainsaw engines were tested comparing an ethanol/sunflower oil mixture to a conventional fuel mixture. Preliminary results indicated difficulty in starting below 50°F (10°C), high engine temperatures, gum deposits and possible lubrication breakdown; which indicate potential problems of using this fuel.
Technical Paper

Dynamic Simulation Techniques for Steering of Tracked Agricultural and Forestry Vehicles

1999-09-13
1999-01-2786
A procedure for simulating the dynamics of agricultural and forestry machines using mechanical system simulation software is presented. A soil/track interface model including rubber-track and steel-track was introduced as well as equations that can be used to model mechanical and hydraulic power trains commonly found in tracked vehicles. Two rubber-tracked vehicles (agricultural tractors) and two steel-tracked machines (forestry vehicles) were simulated to illustrate the technique, and some analysis results are presented. The examples given in this paper are based on the author’s research over the past several years.
Technical Paper

Evaluation of Machine Vision Algorithms for Locating Corn Plants

1991-09-01
911794
The feasibility study of using machine vision technology to locate corn plants was conducted to determine its potential in the development of an intelligent detasseling machine. A corn plant feature, the main vein of leaf, was used and the method of feature detection was developed for corn plant identification. Experimental results showed that the leaf feature and the center of the plant can be detected and located using image processing techniques when an image is taken from above of a plant. This research showed that it is possible to identify and locate the corn plant using machine vision technology.
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