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This paper shows the strategy and results of the simulation of the Train integrity determination system into the on-board ETCS. It first shows the Smart Train Positioning System (STPS), a GNSS based on-board system that determines the the train integrity. Then, scenarios are derived for two different routes. After that, the test setup based on the ETCS on-board unit virtual laboratory is explained...
Rail health monitoring plays an important role in the railway system, and how to accurately obtain the rail state is very significant for the railway safety. This paper proposes an improved method of rail health monitoring based on convolutional neural network (CNN) and probability analysis of multiple acoustic emission (AE) events. By tensile testing machine, AE signals with safe and unsafe states...
Dynamic Software Product Line (DSPLs) based Systems are capable of adapting inresponse to changes concerning their observations at runtime in order toexhibit appropriate behavior. The observation space and the variability in theconfiguration space is usually known at design time. However, running a set oftests with all combinations of configuration and observation from these spacesis likely to be...
This paper aims to present a new method for automated testing of industrial equipment, used primarily in the automotive field. The underlying concept of this work consists in developing an application to test the equipment (DUT — device under test) that automated tests need to be performed on, from the point of view of the hardware system, and in terms of the software loaded on such a device. The...
As many automated test input generation tools for Android need to instrument the system or the app, they cannot be used in some scenarios such as compatibility testing and malware analysis. We introduce DroidBot, a lightweight UI-guided test input generator, which is able to interact with an Android app on almost any device without instrumentation. The key technique behind DroidBot is that it can...
Dynamic analysis of structures plays an important role in designing civil engineering structures. Increasing population density and limited land availability have led to build taller, lighter and hence slender structures which attract high wind forces. Thus, there is an ever-growing demand for testing and monitoring dynamic responses of structures to understand performance under dynamic loading and...
This paper considers two approaches for detecting and classifying undesirable events in offshore naturally flowing wells. The operation of an oil well requires many decisions that can avoid production losses and additional costs. Two data-based methods are proposed using k-nearest neighbors, sliding windows and time multiscale. The parameters required by these classifiers are tuned using data from...
Software Testing is an essential aspect to ensure software quality, reliability and consistent user experience. Digital applications such as mobile app usually follow rapid software delivery which consists of various releases. It typically uses insights from the development data such as defects, test logs for test execution optimization. Once the application is released and deployed, there is rich...
This paper focuses on performance testing of electronic noses for environmental odour monitoring in terms of their capability of correctly classifying odours at low odour concentrations. The studied case concerns the realization of an electronic nose network for the continuous monitoring of odour emissions from a crude oil extraction and separation plant. The novelty of the work consists in the fact...
Smart grid networks are becoming more and more commonly deployed due to their undisputed benefits. On the other hand, there is a high demand for reliability and functionality of these networks. This paper is analysing usage of the IP SLA for monitoring network state and collecting important information for potential problem detection and solving. The practical part of the paper presents implementation...
Fully assessing the robustness of a software application in-house is infeasible, especially considering the huge variety of hardly predictable stimuli, environments, and configurations that applications must handle in the field. For this reason, modern testing and analysis techniques can often process data extracted from the field, such as crash reports and profile data, or can even be executed directly...
In a message-passing system (MPS), components communicate through messages. However, both the time and order in which messages are delivered depend on the execution environment. The resulting nondeterminism may lead to concurrency defects such as message races, making it difficult to thoroughly test and debug MPS. This paper presents a new framework for testing components of an MPS for faults that...
This paper describes the proposed system, which is able to monitor, record and give indicator about air quality information especially the CO values in the environment. The system is designed to work real time using web-based and android applications. A portable gas detector was developed using micro controller. In order to detect the CO value, TGS2600 is used; here an additional function is added...
In this work, we present a tool that systematically discovers and tests the user-observable states of an Android application. We define an appropriate notion of test coverage, and we show the tool's potential by applying it to several publicly available applications.
Current mobile revolution is leading to an increase of wearable health devices development and consequently a growth in ambulatory monitoring area. These systems can be applied in ambulatory diseases management and diagnosis, personal health monitoring or sports performance enhancement, providing physiological and body-area ambiance data during daily normal activities. Nowadays several devices in...
Nowadays, the civil, business, and industrial electrical power loads in Indonesia are growth rapidly. The main growth is in non-linear load as source of current harmonic which causes serious problem in power quality and safety of electric power system. To solve the problem, power quality monitoring system which is integrated with more effective measurement, control, communication, and supervision...
With the rapid advance of big data and cloud computing, building high quality big data systems in different application fields has gradually became a popular research topic in academia and industry as well as government agencies. However, more quality problems lead to application errors. Although the current research work has discussed how to ensure the quality of big data applications from several...
To realize a next generation strategy for Japanese agriculture and livestock husbandry, especially aiming at developing a high effective electronic management system for cow rearing farmers. We developed a rumen pH sensor which can implement a real-time monitoring of pH value in cow rumen with low power consumption and high accuracy. The prototype of pH sensor was fabricated and packaged, which can...
The paper reports on contributions and limitations towards the long-term deployment of in-water sensors, on commercial tidal stream turbines, for monitoring of turbine condition and performance. It is recognised that specific site and ever time varying flow conditions pose monitoring challenges. For all turbine and/or blade deteriorations, fault diagnosis and prognostics are vital elements to secure...
We present sandbox mining, a technique to confine an application to resources accessed during automatic testing. Sandbox mining first explores software behavior by means of automatic test generation, and extracts the set of resources accessed during these tests. This set is then used as a sandbox, blocking access to resources not used during testing. The mined sandbox thus protects against behavior...
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