نتایج جستجو برای: picking off energy

تعداد نتایج: 839627  

Journal: :تحقیقات مهندسی کشاورزی 0
محمدحسین سعیدی راد استادیار پژوهش بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی خراسان رضوی احمد طباطبایی فر استاد دانشکده مهندسی و فناوری کشاورزی دانشگاه تهران فوژان بدیعی استادیار پژوهش مؤسسه تحقیقات فنی و مهندسی کشاورزی

cumin (cuminum cyminum) is an annual suitable for the dry and semi-dry areas of iran. recently, farmers have chosen to plant cumin because it requires less water and growth time. however, at harvest time, the resistance of cumin seed to shatter is low and, if careful attention is not paid to this fact, a major portion of the crop can be lost. when the connection force of the seed decreases, see...

Journal: :تحقیقات مهندسی کشاورزی 0
هادی واله قوژدی دانشجوی سابق کارشناسی ارشد پردیس ابوریحان دانشگاه تهران سیدرضا حسن بیگی بیدگلی استادیار گروه فنی کشاورزی پردیس ابوریحان دانشگاه تهران محمدحسین سعیدی راد استادیار بخش تحقیقات فنی و مهندسی کشاورزی و منابع طبیعی استان خراسان رضوی محمدحسین کیانمهر دانشیار گروه فنی کشاورزی پردیس ابوریحان دانشگاه تهران

the shear strength and shear energy per unit area, as well as the force and energy required for picking flowers, are important parameters in the design and development of harvesting mechanisms. in this study, shear strength and shear energy per unit area of saffron (crocus sativus l.) stems were determined at different bevel angles and shear velocities. the force and energy required for picking...

Journal: :PsychNology Journal 2011
Jörn Loviscach

There are many routes to reduce one's energy footprint, ranging from picking the right means of transportation to switching off the heating when leaving a room to choosing seasonal local food. Many of these options, however, cannot be selected in an automated fashion, but require a deliberate decision. Pervasive computer systems may support this process, acting as personal energy conservation a...

2007
James F. BOYCE

In this paper we investigate the use of a supervised, but self-organizing, Adaptive Resonance Theory type of neural network (Fuzzy-ARTMAP), for first break picking in seismic reflection data. First break picking is the accurate location of the leading energy pulse received by a geophone in response to a seismic shot. The performance of Fuzzy-ARTMAP is compared to our previous work with multi-la...

At present, the fruit picking in most countries still largely relies on manual operation. Manual fruit picking can protect the fruits from damage during the operation process. However, it is time-consuming and labor-intensive, and poses a potential safety risk to the workers while working at heights not reachable. Therefore, a variety of fruit picking machines and platforms have been developed ...

علی زاده , احمد, محمدپور تهمتن , رضاعلی, محمدیان , محمود,

Background and purpose: High concentrations of respirable particles may cause high incidence of respiratory diseases and mortality in public populations and in particular in public transportation workers. Epidemiological exposure studies showed that respirable particles that emitted from traffic sources have more potential effects on more incidence of hospitalization or mortality caused by ca...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

many mobile and off-grid devices include electronics and other electrical consumers like servo drives, which need a quite low supply power. since the price for photovoltaic modules drops continuously, photovoltaic power supply is interesting in more and more applications. in solar powered systems, a battery is needed to store energy for the night and cloudy periods. the power electronics of suc...

2007
Dima Damen David C. Hogg

Several interesting monitoring applications concern people entering a prescribed area, where they deposit an object in their possession, or collect an object deposited earlier. One example arises in the use of bicycle racks. We propose a novel method for associating each person who deposits an object with the person who later collects it. Our main contribution is to deal with ambiguity in the v...

The main objective of this article is to optimize the walking pattern of a 2D humanoid robot with heel-off and toe-off motions in order to minimize the energy consumption and maximize the stability margin. To this end, at first, a gait planning method is introduced based on the ankle and hip joint position trajectories. Then, using these trajectories and the inverse kinematics, the position tra...

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