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Abstract This paper describes the architecture and implementation of a distributed autonomous gardening system with applications in urban/indoor precision agriculture. The garden is a mesh network of robots and plants. The gardening robots are mobile manipulators with an eye-in-hand camera. They are capable of locating plants in the garden, watering them, and locating and grasping fruit. The plants are potted cherry tomatoes enhanced with sensors and computation to monitor their well-being (e.g. soil humidity, state of fruits) and with networking to communicate servicing requests to the robots. By embedding sensing, computation and communication into the pots, task allocation in the system is de-centrally coordinated, which makes the system scalable and robust against the failure of a centralized agent. We describe the architecture of this system and present experimental results for navigation, object recognition and manipulation as well as challenges that This work was done at the Department of Electrical Engineering and Computer Science and the Computer Science and Artiﬁcial Intelligence Laboratory, Massachusetts Institute of Technology, Cambridge, MA 02478, USA. Corresponding author email@example.com An abbreviated version of this paper was presented at the International Conference on Intelligent Robots and Systems (IROS), St. Louis, MO, 2009, (Correll et al 2009). N. Correll Department of Computer Science, University of Colorado at Boulder, 1111 Engineering Drive, 80309 Boulder CO Nikos Arechiga · Adrienne Bolger · Mario Bollini · Ben Charrow · Adam Clayton · Felipe Dominguez · Kenneth Donahue · Samuel Dyar · Luke Johnson · Huan Liu · Alexander Patrikalakis · Timothy Robertson · Jeremy Smith · Daniel Soltero · Melissa Tanner · Lauren White · Daniela Rus...
The Indoor Healing Garden By Molly Griner Polk County Master Gardener Did you know that all of the benefits of an outdoor healing garden can be experienced by indoor gardening? With houseplants, we can invite a bit of living nature into our homes and workplaces, and enjoy the creation of a calm and nurturing environment, as well as the benefits of improved indoor air quality, reduced noise pollution and enhanced aesthetic values. Peace Lily The same human physiological benefits that occur from our exposure to outdoor gardens can be experienced indoors with houseplants. According to the University of Florida Department Of Horticultural Therapy, caring for indoor plants has been shown to reduce physical pain, anxiety and anger, and improve memory and concentration. The presence of beautiful and easy to grow houseplants creates an indoor environment of fresh energy and vitality. The welcoming design of live indoor plants adds texture and color to rooms that are dominated by artificially manufactured furniture, upholstery and appliances. Houseplants also act as a buffer to noise pollution, both from the outdoors, such as from traffic, and within the building structure itself. This is especially helpful in large interior spaces. From early experiments by NASA in purifying air in space, to a more recent global body of research, there is growing evidence that houseplants act as living air filters— absorbing pollutants and breaking them down to clean indoor air. Houseplants remove carbon dioxide from the...
Exploiting Autodesk Robot Structural Analysis Professional API for Structural Optimization Al Fisher, Shrikant Sharma SMART Solutions, Buro Happold Ltd. Access to an open API (application programming interface) can assist in the automation of common and repetitive tasks, helping to save time and costs. The open API provided with Autodesk® Robot™ Structural Analysis Professional software enables programmatic control of Robot, through which sophisticated bespoke tools for structural design optimization can be developed. Within the construction industry, there is constant pressure to deliver projects more effectively on multiple fronts. This is most notable in the desire to reduce project time scales, while also consistently increasing capability and design quality. This double-edged challenge leads designers to continually seek more effective ways of working. In this white paper, we demonstrate the use of Robot Structural Analysis Professional API to increase efficiency through automation of design processes, which can help reduce time scales and simplify workflow. Furthermore, with this automation capability, innovative design processes such as rationalization, standardization, and design optimization become possible. Structural optimization applied to a freeform space frame. (© Buro Happold Ltd.)
An input amplifier for a FM-radio receiver with RF selection (88-108 MHz) has been designed in the radio project. It has about 25 dB gain in the frequency rang 88-108 MHz. Mirror frequency rejection is between 5 dB to 9 dB. Noise figure is about 7 dB at resonant frequency. The amplifier works well, when it is connected to the rest of circuits to receive FM broadcast signals. The input amplifier with RF selection (88-108 MHz) should have low noise, high gain and frequency selection. The specification of the amplifier is as follows:low noise, maximum 2dB more than Fmin gain: Gt ≥ |S21|2 mirror frequency rejection: 20 dB generator impedance: 50Ω load impedance: 50Ω ... In order to fulfill the specification, an appropriate transistor was first chosen and its S-parameters were measured. The input stage has been designed by using a common-emitter amplifier. To compromise between gain and noise, an appropriate operating point is necessary. The amplifier has an inductor tap parallel resonant circuit at its collector to restore the amplifier gain. The frequency of the parallel resonant circuit can be shifted by changing the value of the parallel capacitor. The detail of the project design will be described in chapter 2. Different measurements and results can be found in chapter 3, followed by the conclusion in chapter 4. Chapter 5 is acknowledgement and reference is in chapter 6. In the project, BFR92A transistor is used. It has high power gain, low noise figure and low intermodulation distortion. To compromise between gain and noise, an appropriate operating point should be first considered. From figure 1 (gain as a function of collector current), figure 2 (gain as a function of frequency) and figure 3 (minimum noise figure as a function of frequency), an appropriate operating point was decided. IC = 10mA, VCE = 10V. The values of Fmin and opt for the operating point are not available in the datasheet, but from circles of constant noise figure for other operating points, one can see that Fmin in the project is between 1.7 dB and 2.4 dB.
On September 11, 2001, the seismic stations grouped around New York City recorded seismic events from the WTC site, two of which occurred immediately prior to the aircraft impacts upon the Twin Towers. Because these seismic events preceded the collisions, it is clear they were not associated with the impacts and must therefore be associated with some other occurrence. None of the authorities charged with the responsibility for the investigation of the events of 9/11 have proposed a source for these seismic events, nor have they given a valid reason for the difference in times between the seismic events and the aircraft impacts. Only by consideration of the evidence of basement explosions before the aircraft impacts, as experienced by William Rodriquez and 36 others, can an explanation be found for the fact that the seismic stations recorded seismic events originating from the WTC sites prior to the aircraft impacts. It seems unlikely that Middle Eastern terrorists could have overcome the WTC security and managed this kind of high-level, technological coordination. Do the facts presented here, simple and few, raise the possibility of inside involvement in 9/11/01, both before and after the attack? OVERVIEW This paper is primarily concerned with the factual data surrounding the exact impact times of the two aircraft that hit WTC1 and WTC2. This is neither theory nor hypothesis, but a statement of publicized facts regarding the timing of the aircraft impacts. There exist two separate precision data time sets that address when the aircraft crashed into the Towers. Both data time sets are based on UTC (Coordinated Universal Time, the world’s atomic clock system) and the sources that determined these times were prestigious, reliable and credible. There is no question regarding the precision and accuracy of the instruments used to record both data time sets, since their entire function depends and relies upon temporal accuracy, and therefore there can be no doubt that both data time sets are correct. The time data sets represent objective scientific data recorded by two separate, independent entities. The problem is the data sets have different impact times. These times were given out years ago but at different times. Lamont-Doherty Earth Observatory at Columbia University (LDEO) gave its findings around the time of the event with what it thought were impact times based upon the seismic data recorded, while the 9/11 Commission published its impact times, based upon FAA radar data and air traffic control software logic, years later in its Final Report. The Commission no longer exists.
Silicone Market research report categorizes the global market for silicones market on the basis of type of silicone materials, applications and geography; forecasting volumes and revenue and analyzing trends
TAMA Martial Arts Center is truly dedicated to the development and improvement in the field of martial arts established since 1976 in the Miami Valley area. Through proper methodology and studies, continuous research and fine tuning of practical application, we will lead you on the road to self discovery. An institute for higher learning and tradition of excellence in the martial arts and its ideas, one will find it easy to grow with the highest expectations possible. Our pledge to help one’s discovery is also our passion and commitment in our teachings at TAMA Martial Arts Center. TAMA, Martial Arts can be rewarding and challenging through any of the separate subject we teach. Though students at TAMA have the option to cross train in as many other disciplines as they wish. With our pioneering spirit and a quest to be the best that you can be, join us in our adventure together in MARTIAL ARTS training.
Over the years, we have received thousands of letters and photos from all over the country. They got us thinking that we should find a way for everyone to share their stories with others who have the same passion for trucks. What we came up with is lmctrucklife.com. We have shared some of these stories on this site and we were fortunate to meet some of these truck owners. They allowed us to spend a couple of days with them and let us film them telling their story. We will add more, but we would like to hear your stories, however you want to tell them. We hope you like what you find here because we have enjoyed setting it up. You will find the story of our first truck journey — Lowla — on this site as well. Your Truck … Your Story Share your truck journey at lmctrucklife.com. Thanks,... Cooling & Heating Long Motor Corporation, the parent company of LMC Truck, has been a stable force in the automotive industry for 30 years. With a wide variety and large inventory of parts, plus great customer service, LMC Truck has been here to serve you over the years and is proud to provide you quality truck parts for the long haul. Grilles Custom Lighting Emblems / Molding All of the products you see in LMC Truck's catalogs or on our website are in stock and ready to be shipped to you. LMC Truck has done extensive research on the parts we sell, so we know they are the right part for your vehicle. Accessories / Wheels Ordering is convenient; you can order online, over the phone, fax or through the mail. Visa, MasterCard, American Express, Discover, checks and COD's are all easy methods of payment. LMC Truck ships within 48 business hours and a tracking number is emailed to you. When you call to place an order or check order status, you will be speaking with our call center in Lenexa, Kansas. Our toll free number is (800) 562-8782. We respect your privacy and keep your personal information private. We do not sell, rent, trade or provide any of your information to a third party. Fuel Clutch Steering Suspension USA & CANADA: Ordering Hours: onday - Friday: M
Biopesticides Market research report categorizes the global market on the basis of Active ingredient, applications, product types, crop type, and geography; forecasting revenue. http://www.marketsandmarkets.com/Market-Reports/biopesticides-267.html