The Design of Lower Extremity Exoskeleton of Power Assist Robot

2013 ◽  
Vol 278-280 ◽  
pp. 618-621
Author(s):  
Lei Yan ◽  
Jian Wu ◽  
Yan Bei Li ◽  
Jin Hao Liu ◽  
Fan Yang

Extremity exoskeleton of power assist robot can help people support the load and enhance the durability of bearing the load. This paper mainly introduces the mechanical structure about extremity exoskeleton of power assist robot that is used in the forest. The environment of the forest is complex, and the forestry production is always done by human beings. The work is very heavy, so we want to develop a kind of device to help them. If this device can be promoted to forestry production, it will greatly improve the production efficiency. This device represents the most cutting-edge technology in the field, doesn’t delay the reaction of body movement by the sensors on its body, and is more powerful.

Author(s):  
Dharm Singh Jat ◽  
Anton S. Limbo ◽  
Charu Singh

By combining the different monitoring and automation techniques available today, we can develop cutting-edge internet of things (IoT) systems that can support sustainable development through smart agriculture. Systems are able to monitor the farming areas and react to the parameters being monitored on their own without the presence of human beings. This automation can result in a more precise way of maintaining the aspects that affect the growth of plants, leading to an increase in the food production on farmlands. This chapter focuses on IOT for automation in smart agriculture and provides a pathway to develop automation system in the smart environment.


2007 ◽  
Vol 72 (2) ◽  
pp. 334-348 ◽  
Author(s):  
Mary M. Prasciunas

Many researchers assume that the greater flake tool production efficiency of bifacial versus amorphous cores helps explain the prevalence of bifacial core technology among mobile populations. This paper describes experiments that test whether bifacial cores are more efficient carriers of flake cutting edge than amorphous cores. The first experiment established a size threshold of flake cutting efficiency. The second experiment reduced ten bifacial and ten amorphous cores to exhaustion and calculated the amount of usable and total flake edge produced by each core type, excluding flakes beneath the size threshold. Results indicate that bifacial cores are not significantly more efficient producers of usable or total flake edge than amorphous cores. Bifaces do produce flakes with significantly higher edge-to-weight ratios than do amorphous cores, but more of the weight of bifacial cores is lost to waste during the flake production process. Flake production efficiency therefore does not explain the use of bifacial cores among mobile populations.


Author(s):  
Praveen Kumar M

Power saving and carbon discount becomes the worldwide issue for saving the earth. given that humans often forget about to show off the electric centers with carelessness, so the effect of passive to remind people for strength-saving changed into restricted, but if we constructed automobile and energetic monitoring mechanism to proceed to energy control, the impact of energy-saving could be a whole lot higher. the detecting of walking parameters of the strength-saving machine turned into affected by layout fee and efficiency, which incorporates electricity, strength thing, voltage and cutting-edge, harmonic. The gap parameters consist of class of facilities, variety of human beings, temperature, co2, humidity, luminance, the location of people and so forth.


2012 ◽  
Vol 588-589 ◽  
pp. 1512-1514
Author(s):  
Kai Yang Li ◽  
Xiao Dong Zhang ◽  
Liang Meng

BCI and exoskeleton robots were introduced respectively in the first, and then the advantage of BCI in the exoskeleton control compared with other control method was described. Hardware and software was designed respectively in the paper: in order to achieve the hardware portable that used for gaining EEG, Emotiv collecting device and radio devices was used in the designed; a new way to judge the intentions of human body movement based on cumulative average method and nonlinear dependent method was put forward. Furthermore, a variable factor- was proposed to realize the motion models prediction of different accuracy requirements.


2011 ◽  
Vol 201-203 ◽  
pp. 1451-1455
Author(s):  
Jing Zhe Guo ◽  
Jiu Wei Sun ◽  
Fei Hu Zhang ◽  
Xu Jian Yang

The detailed design and development of the intelligent creel mechanical structure and control system is based on the research and analysis of specific operation and practical functions, which realizes its functions of intelligent analysis, right amount of supply and prompt storing. As the transmission of the carpet yarns from the storage unit to the loom, the intelligent creel is able to automatically make analysis of the usage amount of different yarns according to different orders, makes more reasonable supplies to the loom and prepares yarns before used up, which makes best use of the yarn and increases the production efficiency. Meanwhile, a lot of time and labor of replacing yarns is saved.


2021 ◽  
Vol 71 (1) ◽  
pp. 11-19
Author(s):  
Dandan Gao ◽  
Shunlong Li

Abstract Forestry production is one of the fundamental industries of the national economy, and enhancing production efficiency can aid in balancing the contradiction between the economic growth of forestry and forest resource conservation. Therefore, studying the coupling coordination between forestry production efficiency and regional economic development is of great practical significance for obtaining the development philosophy of green and circular economies and implementing supply-side structural reform in forestry. In this study, the forestry production efficiencies and economic development levels of 31 provincial-level administrative regions of China during 2009 to 2018 are estimated using the super efficiency slacks-based measure model and the entropy weight method. Additionally, the coupling coordination and development trends of forestry production efficiencies and regional economic development levels are investigated by means of the coupling coordination model and GM (1,1) model. Research findings suggest that forestry production efficiencies and economic development levels of 31 provincial-level administrative regions in China maintained steadily growing trends during 2009 to 2018; however, there was middle to low-level coupling coordination between regions. Such coupling coordination remains to be improved because it indicated a spatial pattern of high in the east and south and low in the west and north. To conclude, some suggestions for promoting sound and coordinated interactions between forestry production efficiency and regional economic development are offered.


2016 ◽  
Vol 17 (2) ◽  
pp. 148-158 ◽  
Author(s):  
Wenjing Geng ◽  
Jun Lin

AbstractTo effectively mitigate antimicrobial resistance in the agricultural ecosystem, there is an increasing pressure to reduce and eliminate the use of in-feed antibiotics for growth promotion and disease prevention in food animals. However, limiting antibiotic use could compromise animal production efficiency and health. Thus, there is an urgent need to develop effective alternatives to antibiotic growth promoters (AGPs). Increasing evidence has shown that the growth-promoting effect of AGPs was highly correlated with the reduced activity of bile salt hydrolase (BSH), an intestinal bacterial enzyme that has a negative impact on host fat digestion and energy harvest; consistent with this finding, the population ofLactobacillusspecies, the major intestinal BSH-producer, was significantly reduced in response to AGP use. Thus, BSH is a key mechanistic microbiome target for developing novel alternatives to AGPs. Despite recent significant progress in the characterization of diverse BSH enzymes, research on BSH is still in its infancy. This review is focused on the function of BSH and its significant impacts on host physiology in human beings, laboratory animals and food animals. The gaps in BSH-based translational microbiome research for enhanced animal health are also identified and discussed.


2021 ◽  
Vol 11 ◽  
Author(s):  
Ségolène M. R. Guérin ◽  
Juliette Boitout ◽  
Yvonne N. Delevoye-Turrell

Human beings adapt the spontaneous pace of their actions to interact with the environment. Yet, the nature of the mechanism enabling such adaptive behavior remains poorly understood. The aim of the present contribution was to examine the role of attention in motor timing using (a) time series analysis, and (b) a dual task paradigm. In a series of two studies, a finger-tapping task was used in sensorimotor synchronization with various tempi (from 300 to 1,100 ms) and motor complexity (one target vs. six targets). Time series analyzes indicated that two different timing strategies were used depending on the speed constraints. At slow tempi, tapping sequences were characterized by strong negative autocorrelations, suggesting the implication of cognitive predictive timing. When moving at fast and close-to-spontaneous tempi, tapping sequences were characterized by less negative autocorrelations, suggesting that timing properties emerged from body movement dynamics. The analysis of the dual-task reaction times confirmed that both the temporal and spatial constraints impacted the attentional resources allocated to the finger-tapping tasks. Overall, our work suggests that moving fast and slow involve distinct timing strategies that are characterized by contrasting attentional demands.


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