Tactile sensors play an important role in many robotic applications providing information about shape, roughness, frictions and acting forces. However, it is challenging cover large robots with tactile sensors. In thi...
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ISBN:
(纸本)1601322186
Tactile sensors play an important role in many robotic applications providing information about shape, roughness, frictions and acting forces. However, it is challenging cover large robots with tactile sensors. In this paper we introduce a modular tactile sensor skin built on master and slave principle. The structure of the sensor skin was inspired by the biological multi layered skin from humans. Modular design principle allows covering different flat and rough robot geometries. The skin is able to detect tactile and pressure sensor values and is therefore applicable to different applications. Fuzzy logic based data fusion method allows the input values to be fuzzy while receiving numerical values as the output. This concept reduces the number of required sensor to a minimum and consequently also the computational effort and production costs.
Wireless sensor networks based on highly resource-constrained devices require symmetric cryptography in order to make them secure. Integral to this is the exchange of unique symmetric keys between two devices. In this...
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Maximizing the influence of a fixed size seed set in a graph was investigated intensively in the past decade. Two very relevant questions are 1) how to solve the influence maximization problem on very large graphs wit...
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A lot of research effort has been invested to support efficient content-based routing. Nevertheless, practitioners often fall back to far less expressive communication paradigms like multicast groups. The benefits of ...
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The secure deletion of data is of increasing importance to individuals, corporations as well as governments. Recent data breaches as well as advances in laws and regulations show that secure deletion is becoming a req...
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The popularity of asynchronous data exchange patterns has recently increased, as evidenced by 23% of the communication between microservices in an Alibaba trace analysis. Such workloads necessitate methods for reducin...
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ISBN:
(纸本)9798400706295
The popularity of asynchronous data exchange patterns has recently increased, as evidenced by 23% of the communication between microservices in an Alibaba trace analysis. Such workloads necessitate methods for reducing dataflow processing and completion time by forecasting the future requirements of their microservices and (re-)scheduling them. Therefore, we investigate a prediction-based scheduling method of asynchronous dataflow processing applications by considering the stochastic changes due to dynamic user requirements. We present a microservice scaling and scheduling method named PreMatch combining a machine learning (ML) prediction strategy based on gradient boosting with ranking and game theory matching scheduling principles. Firstly, PreMatch predicts the number of microservice replicas, and then, the ranking method orders the microservice replicas and devices based on microservice and transmission times. Thereafter, the PreMatch schedules microservice replicas requiring dataflow processing on computing devices. Experimental analysis of the PreMatch method shows lower completion times on average 13% compared to a related prediction-based scheduling method.
Meta data - data about data - improves the value of the operational data by giving applications and users additional information on the data's origin, its precision or stateness. We outline the benefits of modelin...
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State-of-The-Art data flow systems such as TensorFlow impose iterative calculations on large graphs that need to be partitioned on heterogeneous devices such as CPUs, GPUs, and TPUs. However, partitioning can not be v...
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The interest in the ability of processing data that has an underlying graph structure has grown in the recent past. This has led to the development of many distributed graph processing systems. However, due to rapidly...
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Today, massive amounts of streaming data from smart devices need to be analyzed automatically to realize the Internet of Things. The Complex Event Processing (CEP) paradigm promises low-latency pattern detection on ev...
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