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In this paper we propose a hybrid network-on-chip which combines Spatial Division Multiplexing “SDM”-based circuit switching and packet switching in order to efficiently and separately handle streaming and best-effort traffics generated by real-time applications. The SDM technique is used in circuit-switched sub-network in order to increase path diversity, thereby improving throughput and mitigating...
Today's Multi-Processor System-on-Chips incorporate advanced communication mechanisms, called Network-on-Chip, to interconnect multiple resources such as processors, memories and accelerators. The detailed evaluation of these communication networks calls for low-level tools that allow detailed performance analysis at the level of the network instead of the analysis at the Processing Elements. We present...
This paper describes an FPGA-based system capable of computing the distance of objects in a scene to two stereo cameras, and use that information to isolate objects in the foreground. For this purpose, four disparity maps are generated in real time, according to different similarity metrics and sweep directions, and then merged into a single foreground-versus-background bitmap. Our main contribution...
In this paper we present a methodology that enables mapping and scheduling of a dynamic real-time medical signal processing application onto an MPSoC platform. We apply the Task Concurrency Management (TCM) methodology on Lyapunov Exponent calculator, which is a part of an epileptic seizure predictor. TCM requires a division of an application into thread frames and thread nodes. In particular, we...
To develop a quick detection algorithm for the image-based autonomous vehicle (AV) or computer assisted driving system, this paper proposes a real-time object detection method using two coordinated cameras. The mapping between two simultaneous images from the two cameras and coordination of the virtual sensitive areas can be resolved using parameters like the camera shot angle, the camera focal length,...
In order to detect the location of smoke in the Measuring System for Ground Shell Dispersion (MSGSD), presented an improved algorithm for the Background Subtraction. Focused on introducing design of the image detection algorithm. The results show that the system can quickly, accurately and effectively detect the location of the smoke.
For improving environmental visual perception of indoor robots more accurate and faster, a new model based on image multi-feature fusion is proposed. The hierarchical match mode is used to match real-time collected images of indoor robot with various multi-directional and multi-state images in a database. After establishing a database of 1000 images, average accuracy, average recall ratio and average...
This paper simplifies the digital PID on the basis of conventional PID controller. Then, through introducing fuzzy system with a fuzzifier and a defuzzifier, parameters can be fuzzily self-adaptive. This paper puts forward a new fuzzy PID algorithm so that PID controller has the ability to tune nonlinear, real-time, indefinite situations. At last, we utilize a Stone Testing Machine to test side pressure...
In-class demonstration experiments give the real time validation or illumination about conceptual theory, especially in the science and engineering teaching progress of undergraduate education. This paper discusses the development and application of an new apparatus based on virtual instrument for in-class experiments demonstrations when the lecture topics need electronic test process. The apparatus...
Compared with logistics of ordinary things, Chemical Logistics is flammable, explosive, toxic and corrosive and other characteristics. Storage and transport of specialty chemicals has inevitably brought a series of serious problems and potential problems because of its particularity, so the safety of chemical logistics management is very important. How to achieve real-time monitoring chemical logistics...
This paper presents a cost-effective approach to design an embedded autopilot system for a 4-rotor aerial vehicle. The system is targeted for autonomous control research, and it consists of an onboard system and a ground station. The onboard system interfaces with the vehicle and provides data link for sensor measurements and control data. The ground station provides a user-friendly interface for...
When speaking about high speed transfer, generally one thinks of 1-10 Gbps throughput. At the same time in case of a low performance device, 10-20 Mibps is also considered as high speed. The present case discusses the MOD5270 Ethernet module by Netburner Inc. for the 147,5 MHz processor of which it was a challenge to achieve this speed. The plan was to achieve 48 Mibps, however, according to the manufacturer...
The initial real-time information system for Bus Rapid Transit (BRT) is based on Global Positioning System (GPS) in Ji'nan, it can't provide accurate real-time information of buses arrival/departure at stop, and missing data of GPS is often found, especially under elevated highway or in bad weather. The papers put forward a new way to provide real-time transit information for BRT based on GPS/Signpost...
This paper discusses how to apply the GIS/GPS technology to the common mobile Logistics business to meet the requirements of efficient Logistics management. In the full analysis of GIS (Geographic Information System) and GPS (Global Positioning System) technology superiority in Logistics, this paper focuses on the system design issues and principles, and puts forward a GIS/GPS based solution apply...
A supply chain is a complex system with numerous members and interrelations. To be able to control and regulate the system's behavior, the different subsystems need to be monitored and the results need evaluated. Thus, a systematic approach is needed, which goal it is to provide the expected information to the right actor at the right time. This paper provides an information requirements analysis...
Time synchronization is one of the key points in distributed real-time computer system. At first, a time synchronization method under 1PPS signal is put forth. Secondly, two kinds of relevant synthetic disturbance are analyzed, and time synchronization logic is studied to cope with the disturbance. Arena software is chosen to model and simulate the time synchronization procedure. At last, the whole...
To solve the non-uniformity problem of multi Time Delay Integral Charge Couple Device (TDICCD) mosaic camera, a non-uniformity correction algorithm is proposed and implemented on Field-Programmable Gate Array (FPGA) platform. Firstly, the generation and definition of non-uniformity are introduced; several common non-uniformity correction methods are discussed. Secondly, the correction algorithm is...
A low-power complementary metal oxide semiconductor(CMOS) operational amplifier(op-amp) is proposed for real-time signal processing system of microsensor. This proposed implementation was based on traditional folded cascode op-amp architecture with positive channel metal oxide semiconductor (PMOS) differential input transistors, which is the best choice for lower-power applications. Simultaneously...
The system focused on the detection of integrated multi-parameter in the fermentation industry. We can achieve parameters of glucose, lactic acid and glutamic acid just by one sample and one sensor. The ancillary instrumentation based on m16(AVR) revealed the values of multi-parameter detection, simple and accurate, with some useful functions such as storage, query, upload etc.
Bus incident are random, while its prediction is a nonlinear time-varying system, and is difficult to use mathematical models to achieve accurate modeling .The paper presents a real-time forecasting method of bus incident based on a dynamic fuzzy-neural network .First, the paper defines what are called bus incident, and then analyzes the factors that will lead to bus incident. Introduce using cluster...
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