نتایج جستجو برای: tractor cabs
تعداد نتایج: 2623 فیلتر نتایج به سال:
PURPOSE To describe the experiences of recipients of the Burroughs Wellcome Fund's Career Awards in the Biomedical Sciences Program (CABS) and highlight selected outcomes of the award's first set of graduates. METHOD Since 1999, all active CABS recipients have been surveyed with the goal of assessing the program's implementation and the career progress of award recipients. Data were collected...
In addition to exacerbating morbidity in male coronary artery bypass surgery (CABS) patients, their plight can also impose considerable strain on their female spouses' mood states, resulting in compromised quality of life. The current study was aimed at determining the impact of pre postoperative hypnotherapeutic ego strengthening (HES) on anxiety and depression in female spouses. It was conduc...
In this paper, a predictor is developed in order to estimate roll angle and lateral acceleration for tractor-semitrailers. Based on this prediction, an active control system is designed to prevent rollover for these vehicles. In order to develop this control structure, a high order recurrent neural network is used to model the unknown tractor semitrailer system; a learning law is obtained using...
Roll dynamics in heavy freight vehicles is characterized in driving conditions by the lateral load transfer coe cient. The coe cient tracking requires sophisticated measurement systems for assessing the wheels’ normal loading. In this paper a new recursive non-linear lateral load transfer estimator employing sensors that are already used on a vehicle in combination with additional units tha...
CVETANOVIC, B. and D. ZLATKOVIC, 2013. Evaluation of whole-body vibration risk in agricultural tractor drivers. Bulg. J. Agric. Sci., 19: 1155-1160 During their work, agricultural tractor drivers are exposed to various negative influences, among which vibrations are especially harmful. It is about vibrations generated in engine while the tractor is working, which are then transmitted to the dri...
Tractor is a system for understanding English messages within the context of hard and soft information fusion for situation assessment. Tractor processes a message through text processors using standard natural language processing techniques, and represents the result in a formal knowledge representation language. The result is a hybrid syntactic-semantic knowledge base that is mostly syntactic...
In this paper, sliding mode controllers (SMC) are designed for a steerable tractor-trailer system, which is operating in the presence of longitudinal and lateral slips at front and rear wheels. Such vehicles intended for autonomous operations usually traverse at low speeds along straight lines. As very low accelerations are involved kinematic models seem sufficiently accurate for developing con...
A new method for protein structure prediction was developed, which allows modeling regardless of the potential homology with any known protein structure. It is based on a combination of the "FRankenstein's Monster" approach for comparative modeling (CM) by recombination of foldrecognition (FR) models [1], with a de novo method for Replica Exchange Monte Carlo protein folding simulation using a ...
Abstract The increase in population day-by-day causes a direct and indirect effect on country’s pollution resources. These have adverse effects the environment contributes directly to climate change. A transition from an internal combustion engine electric vehicle is vital, since with lot of motor battery technology available globally. This paper focuses different types motors batteries that ca...
So called automatic guidance systems are becoming more common in agricultural tractors, so that a driver does not need to steer the vehicle. The systems are mostly relying on GPS with correction. However, these systems usually steer only the tractor itself, despite the fact that the implement is the one that has to be run side by side with the previous swath. With towed implements, or trailers,...
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