نتایج جستجو برای: accelerated life test
تعداد نتایج: 1559718 فیلتر نتایج به سال:
In aiming to halt global biodiversity loss, it is essential to address underlying societal processes. The concept of ecosystem services claims to bridge between biodiversity and society. At the same time there is a considerable research gap regarding how ecosystem services are provided, and how societal activities and dynamics influence the provision of ecosystem services. Interactions and depe...
It is rare for data’s history to include computational processes alone. Even when software generates data, users ultimately decide to execute software procedures, choose their configuration and inputs, reconfigure, halt and restart processes, and so on. Understanding the provenance of data thus involves understanding the reasoning of users behind these decisions, but demanding that users explic...
Critical events in industrial drilling should be overcome by engineers while they maintain safety and achieve their targeted operational drilling plans. Geophysical drilling requires maximum awareness of critical situations such as “Kicks”, “Fluid loss” and “Stuck pipe”. These may compromise safety and potentially halt operations with the need of staff rapid evacuations from rigs. In this paper...
We applied a policy search algorithm to the problem of optimizing a start-stop controller—a controller used in a car to turn off the vehicle’s engine, and thus save energy, when the vehicle comes to a temporary halt. We were able to improve the existing policy by approximately 12% using real driver trace data. We also experimented with using multiple policies, and found that doing so could lead...
The need for a motor protection system can be well understood by the fact that motors are integral device in any of the present day industries. Malfunctioning or any other faults in motor can halt the functioning of such industries. This can cause huge financial losses. So an efficient motor protection system is necessary. The present research work deals with the application of Labview for moto...
Robotic assembly systems are widely used in industry to improve the production task. However when they halt their operation due to a failure, it usually takes considerable time to diagnose the system. In this paper, we discuss the results of an approach which uses Virtual Factories to reduce the time spent on diagnosis. The approach proposes building a virtual model of the system and simulating...
This paper is about stochastic recruitment, a control architecture for centrally controlling the ensemble behavior of many identical agents, in a manner similar to motor recruitment in skeletal muscles. Each agent has a finite set of behaviors, or states, which can be switched based on a broadcast command. By switching randomly between states with a centrally determined probability, it is possi...
In the 1960s and 70s, researchers paid a great deal of attention to schematic memory, or memory for thematic information. In the 1980s and 90s, this research ground to a halt, in large part because researchers lacked a strong theoretical framework for the study of schematic memory. We suggest that structure-mapping theory, a theory of analogy and similarity comparisons, may provide such a frame...
Twenty years have passed since Schenk et al. developed peptide vaccines for Alzheimer’s disease (AD). However, subsequent clinical trials with active and passive immunization have failed to obtain sufficient outcomes to halt or improve cognitive decline. Other non-immunological therapies have also been unsuccessful in achieving satisfactory results. In this review article, we analyze factors re...
The vehicles look nothing like delivery trucks, though that is their function once inside the body. Instead, these so-called nanoparticles, which are assembled from three short pieces of ribonucleic acid, resemble miniature triangles. The microscopic particles possess both the right size to gain entry into cells and also the right structure to carry other therapeutic strands of RNA inside with ...
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