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Journal articles on the topic 'Communication protocols and bus'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Li, Xie. "Research on the Real-Time Property of TTCAN Protocol in Vehicle Communication Network." Applied Mechanics and Materials 487 (January 2014): 674–77. http://dx.doi.org/10.4028/www.scientific.net/amm.487.674.

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This paper introduces the time triggered bus technology in vehicle communication network application, the bus protocol project: exclusive time window, the window of time and idle time window is discussed. In the laboratory conditions, the different communication protocols and communication parameters can be easily realized, which can be used to analyze the CAN and TTCAN communication protocol and network load frame priority to the impact of delay time, and verify the correctness of the model.

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2

Louis, S. G. R., A. D. Greentree, W. J. Munro, and K. Nemoto. "Teleportation of composite systems for communication and information processing." Quantum Information and Computation 9, no. 1&2 (January 2009): 1–15. http://dx.doi.org/10.26421/qic9.1-2-1.

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We describe two protocols for efficient data transmission using a single passive bus. Different types of interactions are obtained enabling the deterministic transfer and teleportation of composite quantum systems for arbitrary subsystem dimension and for arbitrary numbers of subsystems. The subsystems may become entangled in the transmission in which case the protocols can serve generalized teleportation based information processing as well as storage and transmission functions. We explore the cases of two qubits and two qutrits in detail, obtaining a maximally entangling mapping of the composite systems and discuss the use of a continuous variable bus.

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Olenev, Valentin. "Analysis of requirements for modern spacecraft onboard network protocols." Information and Control Systems, no. 1 (March 3, 2021): 8–16. http://dx.doi.org/10.31799/1684-8853-2021-1-8-16.

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Introduction: New technologies are replacing the onboard space networks based on bus topologies. One of these technologies is SpaceWire. New communication protocols are being developed, expanding SpaceWire functionality. The protocol developers should provide all the required technical characteristics for data transmission and processing. Purpose: Analysis of the existing requirements for communication protocols, and development of consolidated set of requirements that will take into account the modern requests of the space industry. Results: The analysis of the existing demands on communication protocols resulted in a set of consolidated requirements for the physical-network layers’ protocols and the transport layer protocols. The requirements cover the speed, latencies, transmission distance, transmitted information amount, fault detection functionality, time synchronization between the devices, quality of service, main user data types, and data transfer modes at the transport level. The existing SpaceWire protocols are defined as a special class of protocols, possessing unique characteristics. Practical relevance: The performed analysis can simplify the implementation of new onboard communication protocols and provide a required level of technique for new generation spacecraft.

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4

Mariño, Perfecto, Miguel Ángel Domı́nguez, Francisco Poza, and Fernando Vázquez. "Using LOTOS in the specification of industrial bus communication protocols." Computer Networks 45, no. 6 (August 2004): 767–99. http://dx.doi.org/10.1016/j.comnet.2004.03.029.

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Lian, Jing, Ya Fu Zhou, Xin Han Sun, Bao Yu Tian, and Chang Jia Lin. "Design and Implementation of Hybrid Electric Vehicle Control System CAN Communication." Advanced Materials Research 179-180 (January 2011): 359–64. http://dx.doi.org/10.4028/www.scientific.net/amr.179-180.359.

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Based on the vehicle CAN bus technology, with features of Hybrid Electric Vehicle (HEV) control network be concerned, CAN bus protocols of application layer suitable for HEV are developed in the paper. And control network is built based on multi-master CAN distributed control technology. Through CAN controller programming of DSP, supported by the corresponding external drive circuit, the motor controller nodes is connected with the vehicle CAN network. Finally the CAN Bus communication of HEV energy assembly control system is designed and realized. Experimental result indicates that the system works well with stable signal and strong anti-jamming ability, and the communication with HEV CAN bus is realized successfully.

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Peng, Ya Li, Peng Yu, and Hong Yin. "The Efficient and Reliable Routing Protocol of Bus Mobility Vehicle Network." Applied Mechanics and Materials 587-589 (July 2014): 2072–75. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.2072.

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As an important part of the urban vehicle network, Bus Mobility Vehicle Network provides supports for a wide range of urban-vehicle communication network due to cyclical movement feature. However, the high-speed mobility brings great challenges to Bus Vehicle Network routing protocols. The paper aims Bus Mobility Vehicle Network with the characteristics of cyclical movement, and put forward to Single & Multi hop Routing (SMHR) routing protocol program. Link Survival Mode will be established in Single-hop to select encounter nodes as forwarding candidate set. Discrete Stochastic Dynamic Programming Delay Probability Model will be established in Multi-hop using the historical data of bus cyclical movement. The two model ensure the submitted data reliable in single-hop, and probability of successfully submitted to the target vehicle through multi-hop data within a limited delay. According to the simulation test, SMHR protocol has a higher successful rate of data transmission and lower submitted delays.

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Wang, Wei Jie, Wei Guo Qian, Xiang Hong Kong, and Ming Xia Yang. "Design of the Centralized Control Circuit for Large Ship Borne Squid Jigging Machine." Advanced Materials Research 787 (September 2013): 867–75. http://dx.doi.org/10.4028/www.scientific.net/amr.787.867.

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Squid jigging machine is an important equipment in the oceanic squid jigging fisheries. Now, we have used the intelligent squid fishing machine, though, we have to guard the machine one by one. To reduce the labor on deck, we designed a serial interface circuit between PC and Single Chip Microcomputer (SCM) for the communication within multiple squid jigging machines by the way of RS-485 bus, realizing centralized control of machines. For hardware, we converted TTL level to 485 level by serial interface conversion chip so that SCM could achieve RS-485 interface communication; For software, we customized instruction sets, data package format, communication protocol format. We designed RS-485 bus interface circuit for PC and SCM by simulation software Proteus. Through tests in the field, we knew the circuit makes the connection of centralized control network simple, and signal transmission reliable. We will pay particular attention to the design of communication protocols software, which can provide new thinking of designing about communication within multiple machines for the researchers.

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Zhang, Xu Hui, Hong Bo Xia, and Ran Lin. "Communication Interface Design of Mitsubishi Touch Screen and DSP." Applied Mechanics and Materials 687-691 (November 2014): 4174–79. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.4174.

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Aiming at the disunity problems of the interface types and protocols existing in the communication between the touch screen and the DSP controller, this paper puts forward a kind of communication method based on MODBUS protocol of the Mitsubishi touch screen and DSP controller. By using a standard RS232 interface and MODBUS RTU data transmission format realize the asynchronous communication between GOT touch screen and TMS320F2812 controller. Through the RS485 bus, DSP achieves the communication with ABB frequency converters. Using this method Mitsubishi touch screen, DSP and frequency converter finished communication. So that touch screen can display the working status of the ABB frequency converters in real time. It has been verified by test that data transmission is reliable and good real-time.

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Bui, Van-Tung, Chyi-Ren Dow, Yu-Chi Huang, Pei Liu, and Vu Duc Thai. "A Canopen-Based Gateway and Energy Monitoring System for Electric Bicycles." Energies 13, no. 15 (July 22, 2020): 3766. http://dx.doi.org/10.3390/en13153766.

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The limitation of battery capacity is a cause of range anxiety that reduces the wide use of electric bicycles (e-bikes). Therefore, many works have developed systems that provide assistance to cyclists to deal with the range anxiety problem. However, these systems may have limited applications since they can only work with the e-bike manufacturers’ hardware and communication protocols. This paper proposes an energy monitoring system (EMS) for e-bikes, which is based on EnergyBus, a standardized hardware and communication protocol for e-bikes. EnergyBus standard is based on controller area network (CAN) bus and CANopen protocols. EMS comprises a gateway connected to EnergyBus of e-bike and an EMS application installed on a smart device that connects to the gateway via Bluetooth. The gateway provides CAN bus monitoring and CANopen device data access services to the smart device. These services are modeled to determine gateway parameters to ensure the efficient performance of the gateway and to keep the working status of the monitored e-bike safe. The EMS application provides the cyclist information about battery status, rider efforts, and other related information such as distance and speed. Experimental results show that the proposed gateway can monitor data in real-time and ensure monitored system safety.

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10

Li, Dan. "The Research of HART Sensor System Based on ARM." Applied Mechanics and Materials 602-605 (August 2014): 2855–58. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.2855.

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This paper discusses the design method of economical and practical HART protocol communication system, and describes the research scheme in detail, according to the hierarchy of the system protocols: the physical layer, data link layer and application layer. This scheme includes the design of ARM embedded controller module, modulation and demodulation module and USB interface module and other components. According to the effect of the final product used in the field bus network, it is proved that the operation is stable, accurate, simple and easy.

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11

Hu, Shan, Li Guo Tian, Xiao Liang Cheng, and Meng Li. "Research of Communication Method of Intelligent Building Lighting System Based on CAN Bus." Applied Mechanics and Materials 511-512 (February 2014): 1225–29. http://dx.doi.org/10.4028/www.scientific.net/amm.511-512.1225.

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This paper proposes an intelligent lighting control system based on CAN. Compared with the traditional lighting control system, it overcomes the effect of relatively scattered control and disadvantages of poor management, poor real-time and low degree of automation. In explaining the overall design of intelligent lighting system framework and communication protocols based on CAN bus communication, it analyzes the real time capability and puts forward the optimization scheme. It also proposes an implementation of SJA1000 CAN communication modules to achieve application to intelligent lighting system.

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12

Yan, Shi Hua, and Gang Li. "Realization of Interactive Communication among Multi-Sensors Based on CAN Bus." Key Engineering Materials 467-469 (February 2011): 497–502. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.497.

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Aiming at the problems of the interactive communication among infrared multi-sensors under the electromagnetic interference, an interactive network is developed based on CAN bus controller which is embed in TMS320F2812 DSP. After the hardware design of the network system is introduced, a application layer protocol of CAN bus network for simple and effective communications is proposed. Following the protocol, software program is designed, and the transmission efficiency is improved obviously. Finally, the relationship between nodes and baud Rate is shown after analyzing the transmission time delay.

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13

Wu, Di, and Qiang Li. "The Application of IIC BUS in Data Communication Based on S3C2410A." Applied Mechanics and Materials 513-517 (February 2014): 1863–66. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.1863.

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IIC BUS (Inter Integrated Circuit BUS) is a bus that system chip control peripherals equipment commonly used as a simple, two-way, two-wire ,and synchronous serial bus to solve the communication between these devices. The paper discuss the ways how to use the IIC serial data communication protocol according to the IIC controller features ,adopting master-slave structure to control IIC device of AT24C08 chip with S3C2410A as the carrier to fulfill data communication.

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14

Hou, Jing Jing, and Gen Wang Liu. "A Design of Li-Ion Battery Formation System Based on ARM Embedded Computer." Advanced Materials Research 354-355 (October 2011): 998–1001. http://dx.doi.org/10.4028/www.scientific.net/amr.354-355.998.

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Based on embedded ARM system and TCP\IP protocol and CAN-bus protocol, a filed-control-system of Li-ion Battery Formation was designed. TCP protocol has many advantages such as reliable and high speed; CAN-bus protocol also has many advantages such as high speed, high reliability and good resisting disturbance performance. We used TCP protocol achieve communication between Host Computer and Upper Computer, and used CAN-bus protocol between Upper Computer and Lower Computer. This system has such functions as inspection, formation management and battery separation. In this article we will describe the system structure, function, communication architecture and give a brief communication software code with QT programming language.

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Ou, Zhou, and Xiao Peng Xie. "Research on In-Vehicle FlexRay Bus Network Nodes." Advanced Materials Research 591-593 (November 2012): 1325–29. http://dx.doi.org/10.4028/www.scientific.net/amr.591-593.1325.

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Network node designs of hardware system and software system based on in-vehicle FlexRay Bus were put forward. Structure and theory of node’s MCU, communication controller and Bus drive were analyzed. The simplest system of FlexRay Bus node was structured, and main files program, clock program, interruption program, and FlexRay Bus communication program were configured. The operation status of FlexRay Bus protocol was analyzed, and programs of receiving and transmitting data were designed. The experimental system based on MC9S12XF512 was established, and in development environment of CodeWarrior IDE, FlexRay Bus networks nodes communication was accomplished based on TDMA and FTDMA mechanism.

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16

KATSINIS, CONSTANTINE. "MODELS OF DISTRIBUTED-SHARED-MEMORY ON AN INTERCONNECTION NETWORK FOR BROADCAST COMMUNICATION." Journal of Interconnection Networks 04, no. 01 (March 2003): 77–102. http://dx.doi.org/10.1142/s021926590300074x.

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Due to advances in fiber-optics and VLSI technology, interconnection networks which allow multiple simultaneous broadcasts are becoming feasible. This paper examines the performance of distributed-shared-memory (DSM) systems based on the Simultaneous Optical Multiprocessor Exchange Bus (SOME-Bus) using queuing network models and develops theoretical results which predict processor utilization, message latency and other useful measures. It also presents simulation results which compare the performance of the SOME-Bus, the mesh and the torus using queuing-network models. The SOME-Bus is a low-latency, high-bandwidth, fiber-optic interconnection network which directly links arbitrary pairs of processor nodes without contention, and can efficiently interconnect over one hundred nodes. It contains a dedicated channel for the data output of each node, eliminating the need for global arbitration and providing bandwidth that scales directly with the number of nodes in the system. Each of the N nodes has an array of receivers, with one receiver dedicated to each node output channel. No node is ever blocked from transmitting by another transmitter or due to contention for shared switching logic. The entire N-receiver array can be integrated on a single chip at a comparatively minor cost resulting in o(N) complexity. The SOME-Bus has much more functionality than a crossbar by supporting multiple simultaneous broadcasts of messages, allowing cache consistency protocols to complete much faster. The effect of collective communications due to cache coherence is examined. Results reveal that the performance of the SOME-Bus interconnection network is the least affected by large communication times, compared to the other two architectures considered here. Even in the presence of intense coherence traffic, processor utilization and message latency is much less affected than in the other architectures.

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17

He, Xin, Jia’nan Wu, Hongde Deng, Zean Zhen, and Chenyang Liu. "Design Scheme of Communication Node Based on FlexRay Bus." MATEC Web of Conferences 214 (2018): 01001. http://dx.doi.org/10.1051/matecconf/201821401001.

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As a high-speed and reliable serial communication bus, the FlexRay bus has gradually become the mainstream of vehicle network systems. In order to verify the feasibility of the bus technology in aerospace applications, this paper designs a FlexRay communication node based on TI's high-performance microcontroller TMS570LS3137 for security systems. In the whole system, with the DSP of core, the FlexRay communication protocol is achieved by using the bus controller TJA1080 to carry out data transmission. This method is suitable for data transmission of pint and medium-sized UAV (unmanned air vehicles) flight control system with high integration and high transmission rate.

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18

Qi, Shi Qing, Ming Yang Wen, and Zhao Xia Wu. "Design of Intelligent Concentrator Basing on M-Bus and Embedded Linux." Applied Mechanics and Materials 446-447 (November 2013): 896–900. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.896.

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. Design an intelligent concentrator of heat meter reading system for residence and illustrate the principle of M-BUS communication. Develop the communication protocol of M-BUS between heat meter and intelligent concentrator. ARM9 processor is adopted to be the core of the hardware construction, the software of the concentrator adopted embedded Linux, modular hardware drivers and functional design are placed in this device. Develop the data receive circuit and data send circuit of M-BUS of concentrator and application program. M-BUS communication protocol is used to implement the data transmission between the concentrator and the heat meters. This device has the features of security data transmission, convenient reading and strong real-time.

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19

Zheng, Lei, Xin Chen, and Xun Hong Lv. "Research on Internal Communication of Redundant Flight Control Computer for UAV." Advanced Materials Research 383-390 (November 2011): 1578–83. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.1578.

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Regarding the characteristic of the architecture of the sample redundant flight control computer based on CAN (control area network) bus, a bus protocol of internal communication based on time-triggered is presented. The protocol-frame, data-frame, synchronization arithmetic of internal communication are designed. According to the protocol, the communication between the CPU (central processing unit) and each other function unit can be reliable. At the same time, if some node of the network were failure, CPU can check it reliably and then carry through relevant switch logic to realize the redundancy management. The results of the experimentation show that according to the bus protocol designed in this paper, the internal communication of the FCC (flight control computer) was reliable, at the same time, the fault-detect and redundancy management can be realized.

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Chen, Chen, Wei Chen, and Hua Dong Qiu. "The Communication Research between PLC and PID Temperature Controller." Applied Mechanics and Materials 672-674 (October 2014): 2052–55. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.2052.

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In this paper, the communication between PLC and PID temperature controller are researched. The asynchronous communication protocol of E909 is used to protect the data that transformed among the bus. The process of speaking, reading and writing of PV and SV value as well as the PID temperature controller communication combine no protocol communications is designed in this paper. At last the models are realized by programming. Experiments show the project we proposed can finish the data transformation in real-time without damage and lost.

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21

Kamoona, Ameer Aqeel, Ahmed Najm alfadli, and Israa Ali Alshabeeb. "New Method for OC Relay Coordination." Journal of Electrical and Computer Engineering 2020 (May 13, 2020): 1–11. http://dx.doi.org/10.1155/2020/6312975.

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Protection relays design and manufacture have arrived to a new level of advancement; hence, numerical relays have appeared recently. They combine all the functions of monitoring, control, and protection in one device. Also these relays have the ability to communicate with each other to share statuses and orders using GOOSE (generic object‐oriented substation events) messages based on communication protocols such as IEC61850. In this paper, a proposed method for overcurrent (OC) relay coordination has been introduced based on numerical relay features of several setting groups and communication capability. This work supposes that the coordination between feeder, bus section, and incomer protection relays, in a substation of single busbar configuration with bus sectionalizer (i.e., bus section), depends on the status of the bus section circuit breaker (CB) as a criterion for determining active relay setting group, to achieve a faster tripping action. ETAP has been used as a simulation software environment. And the simulation results show the advantages of the proposed method in reducing the time needed by the relay to clear the electrical fault. Siemens SIPROTEC series have been used as an example of numerical relays, specifically 7SJ64 as OC relay, which exists in the ETAP library.

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Lee, Yi Ming, Fu-Yen Yeh, and Shyue Bin Chang. "A Prototype Monitoring System for Automotive CAN Bus Gauge." Applied Mechanics and Materials 336-338 (July 2013): 1391–95. http://dx.doi.org/10.4028/www.scientific.net/amm.336-338.1391.

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CAN bus communication has been used in a serial protocol for connecting electronic control modules together with its hardware and software design in automotive gauge application. The motivation is to develop a PC-based monitoring system for not only CAN frames received from or sent onto CAN bus, but also data recorded on log files consideration. This paper presents a prototype monitoring system on automotive CAN bus gauge for communication protocol in Ford Mustang. For the proposed CAN bus monitoring system, the designed architecture is discussed and verified into PC for surveillance performance. Furthermore the Ethernet technology adopted in the system makes it a more practical and convenient CAN bus testing system.

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Rego, V. "A comparison of two token-passing bus protocols." ACM SIGCOMM Computer Communication Review 16, no. 3 (August 1986): 58–66. http://dx.doi.org/10.1145/1013812.18180.

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Zhang, Jian Dong, Ming Yang Liu, Guo Qing Shi, and Wei Hua Pan. "A MIL-STD-1553B Bus Command Optimization Algorithm Based on Load Balance." Applied Mechanics and Materials 130-134 (October 2011): 3839–42. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.3839.

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The paper, based on the MIL-STD-1553B bus communication protocol, makes the computer-aided analysis to optimize bus transmission algorithm. An optimized algorithm is proposed by rearranging the commands set by the bus controller (BC), achieving the bus load balance in a major period. Through the command sequence optimization, this algorithm could manage the commands to be transmitted and generate an optimized bus command table. Based on the algorithm, software used in the PC is development, which could manage the commands to be transmitted, and generate optimized command table for bus communication transmission. The actual application shows that this algorithm can do well in optimizing the bus command table and improve the efficiency of bus transmission.

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Lin, Haifeng, and Lin Du. "Optimization and Simulation of Controller Area Network Communication Model Based on Industrial Internet of Things Platform." Complexity 2020 (October 26, 2020): 1–11. http://dx.doi.org/10.1155/2020/8864722.

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The Internet of Things (IoT) is an information carrier based on network communication, and it can make all general physical objects which can be independently addressed from an interconnected network. Controller Area Network (CAN) is a kind of serial communication network which can effectively support distributed control or real-time control. This paper proposes the design of an IoT-oriented universal CAN bus. In order to build a complete CAN communication simulation model, message sending and message receiving models are constructed, respectively. The simulation experiment proves that the IoT-oriented network communication model designed in this paper not only has low power consumption, but it can also solve the front-end compatibility problems caused by different communication protocols.

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Khandelwal, Arpit, Ankush Tandon, and Akash Saxena. "Power System State Estimation by Novel Approach of Kalman Filter." Indonesian Journal of Electrical Engineering and Computer Science 6, no. 2 (May 1, 2017): 241. http://dx.doi.org/10.11591/ijeecs.v6.i2.pp241-253.

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<p>The electrical network measurements by measuring device Phasor Measurement Device (PMU) are usually sent to the control centers using data acquisition system and other communication protocols available. However, these measurements contain uncertainties due to the measurements and communication noise (errors), incomplete metering or unavailability of some of measurements. The overall aim of state estimation is to calculate the state variables of the power system by minimizing errors available at the control center. Due to generate desired quantities by optimal estimate which is given the set of measurements, Kalman filters are widely used. This paper discusses the application of an Extended Kalman Filter (EKF) algorithm, the Unscented Kalman Filter (UKF) algorithm, and New EKF+M and UKF+M estimator algorithm, those are modification of EKF and UKF for enhance accuracy and elapse time is less. The effectiveness and performance of EKF+M and UKF+M Estimator over another Filtration algorithm is shown. These state estimation techniques applied on IEEE-30 bus, 14 bus and 9 bus test system.</p>

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Cheng, An Yu, Shuai Shen, and Tian Zhao. "Design of Vehicle Diagnostic Communication Module Based on AUTOSAR Software Architecture." Applied Mechanics and Materials 347-350 (August 2013): 513–19. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.513.

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In order to solve the problem that vehicle diagnostic system is of bad uniformity and versatility, which due to the different vehicle diagnostic system communication protocols developed by the different vehicle OEMs according to their own needs, this paper proposes a design method of vehicle CAN bus diagnostic communication module based on AUTOSAR standard. This module follow the AUTOSAR standard and it can be implemented in accordance with the international standard ISO 15765. The results of the test show that when this module is applied to some car dashboard, it can satisfy the needs of the vehicle diagnostic communication system, and it is of good standardization, versatility and portability.

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Pérez, P., J. L. Posadas, J. L. Poza, G. Benet, F. Blanes, and J. E. Simó. "Communication jitter influence on control loops using protocols for distributedreal-time systems on can bus." IFAC Proceedings Volumes 36, no. 12 (July 2003): 215–21. http://dx.doi.org/10.1016/s1474-6670(17)32538-7.

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Arbab-Zavar, Babak, Emilio Palacios-Garcia, Juan Vasquez, and Josep Guerrero. "Smart Inverters for Microgrid Applications: A Review." Energies 12, no. 5 (March 4, 2019): 840. http://dx.doi.org/10.3390/en12050840.

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In a microgrid, with several distributed generators (DGs), energy storage units and loads, one of the most important considerations is the control of power converters. These converters implement interfaces between the DGs and the microgrid bus. In order to achieve higher functionality, efficiency and reliability, in addition to improving the control algorithms it is beneficial to equip the inverters with “smart” features. One interpretation of “smartness” refers to minimizing the requirement of communication and therefore switching from centralized to decentralized control. At the same time, being equipped with efficient and state of the art communication protocols also indicates “smartness” since the requirement of communication cannot be completely omitted. A “smart inverter” should offer some features such as plug and play, self-awareness, adaptability, autonomy and cooperativeness. These features are introduced and comprehensively explained in this article. One contribution discussed here is the possibility of achieving long-range wireless communication between inverters to empower various control schemes. Although current efforts aim to modify and improve power converters in a way that they can operate communication free, if a suitable and functional communication protocol is available, it will improve the accuracy, speed and robustness of them.

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Lian, Ping Ping. "Multi-Thread Chain DMA Data Transfer Method for SuperSpeed Bus Video Transmissions." Advanced Materials Research 1046 (October 2014): 277–80. http://dx.doi.org/10.4028/www.scientific.net/amr.1046.277.

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SuperSpeed bus, also known as USB3.0 bus or SuperSpeed USB bus, is the newest USB bus technology. This paper presents an innovative DMA transfer method called Multi-thread Chain DMA for SuperSpeed bus video data transmissions. The maximum 5Gbps giant data rate of SuperSpeed bus demands a high speed and high reliability DMA method. However, traditional DMA method can not achieve this required data rate due to its separate data transmission and reception. Unlike traditional DMA method, utilizing a novel designed mechanism, Multi-thread Chain DMA transfer method transmits and receives data concurrently, achieves SuperSpeed data rate and guarantees no data loss. Furthermore, one communication protocol for SuperSpeed video transmission is designed and implemented to comply with USB Video Class (UVC) standard. The field trial has demonstrated Multi-thread Chain DMA transfer method and SuperSpeed video communication protocol in the article are feasible and rich in value of research.

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Guo, Qing, Dan Jiang, and Sa Sun. "Design of the Lower Extremity Rehabilitation Robot Communication System." Applied Mechanics and Materials 330 (June 2013): 644–47. http://dx.doi.org/10.4028/www.scientific.net/amm.330.644.

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According to this analysis, we designed a scenario on lower extremity rehabilitation robot communication system based on CAN bus and efficiently solved the problems of low signal processing, computing power and data transfer rate ability for the traditional means of communication of RS232 and RS485.The research deals with the characteristics of communication systems and topological structure, and specifically, with CAN bus protocol design and hardware and software implementation aspects of Communication System designing for some robot sensor.

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Guo, Qing, and Dan Jiang. "Design of the Lower Extremity Rehabilitation Robot Communication System." Applied Mechanics and Materials 215-216 (November 2012): 297–301. http://dx.doi.org/10.4028/www.scientific.net/amm.215-216.297.

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According to this analysis, we designed a scenario on lower extremity rehabilitation robot communication system based on CAN bus and efficiently solved the problems of low signal processing, computing power and data transfer rate ability for the traditional means of communication of RS232 and RS485.The research deals with the characteristics of communication systems and topological structure, and specifically, with CAN bus protocol design and hardware and software implementation aspects of Communication System designing for some robot sensor.

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Piao, Yong Jie, Chun Yu Liu, and Wei Xu. "Design of SDLC Communication Module Based Windows CE." Applied Mechanics and Materials 433-435 (October 2013): 1520–25. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.1520.

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SDLC bus communication module was designed and implemented in this paper. AM85C30 is used to accomplish the SDLC protocol control and adapts to PC/104 bus. Driver software is designed based on DMA streams driver under Windows CE 5.0. In order to achieve the maximum baud rate and lowering down the CPU usage, data exchange between AM85C30 and the host is implemented using DMA. Software circular FIFO is designed for buffering the SDLC frame data and status information, solving the frame losing problem when transferring data in high speed. RS485 bus is used in physical layer and works in half-duplex mode. The network topology is simplified and communication reliability is enhanced. The SDLC module is deployed in a launch vehicle video acquisition system. Field working indicates that the system can achieve stable speed of 2Mbps for both channels simultaneously.

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Dong, Bing. "Data Transmission Optimization Based on Memobus RTU Communication Protocol." Applied Mechanics and Materials 443 (October 2013): 374–79. http://dx.doi.org/10.4028/www.scientific.net/amm.443.374.

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The article introduces the constitution and message format of Memo bus RTU Communication Protocol, and provides a method for data transfer optimization through by the analysis of the communication protocol format. This method is fit on the inverter and controller which is based on the Memo bus RTU communication protocol and utilized theRS-485 port while the data being transported. By Considering this kind of inverter's distribution, this paper puts forward a method which is based on dividing by functional data block, able to sequence rankly criterion of the function data block, and able to transport date block divided by the function, thereby, this method decreases the redundancy enormously, elevates the system response speed, and solves the technical problem of controller PID output port's real time remote control to multiple inverters.

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Szpyrka, Marcin. "Analysis of VME-Bus communication protocol - RTCP-net approach." Real-Time Systems 35, no. 1 (September 1, 2006): 91–108. http://dx.doi.org/10.1007/s11241-006-9003-0.

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Zhang, Hong Kun, and Wen Jun Li. "CAN-Bus Communication Design for Automated Mechanical Transmission." Applied Mechanics and Materials 241-244 (December 2012): 1787–91. http://dx.doi.org/10.4028/www.scientific.net/amm.241-244.1787.

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The Transmission Control Unit (TCU) of Automated Mechanical Transmission (AMT) can not only control drive train to shift automatically but also communicate with other controller to achieve coordination control. In this paper, Controller Area Network (CAN) communication of AMT is designed by using Motorola Scalable CAN Module (MSCAN) integrated in MC9S12DP256 Microcontroller. CAN communication protocol, CAN interface circuit and software are developed.

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Li, Kun Fu, and Wei Ping Luo. "Research on the Remote Monitoring System of Photovoltaic Power Station Based on CAN Bus and GPRS with Mechanical Properties." Advanced Materials Research 644 (January 2013): 60–63. http://dx.doi.org/10.4028/www.scientific.net/amr.644.60.

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According to the requirements of the PV station remote monitoring system, such as big information flow, far distance transmission, high-performance, this article has designed a remote PV station monitoring system based on CAN bus and GPRS with mechanical properties. After lucubrated CAN bus and GPRS communication technology, this article details the hardware circuit of the slave computer, the communication protocol of CAN bus and the design of communication network. It has solved the problems that bad real-time, low degree of automation, few nodes can be accommodated, weak anti-interference ability which exits in the past design of PV station remote monitoring system.

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Wu, Xiao Lei. "Study of Adaptive Network Transmission Protocol in Mine." Applied Mechanics and Materials 608-609 (October 2014): 435–39. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.435.

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Combined with the transmission characteristics of multi node under master-slave mode, the paper design a high speed parallel transmission network based on RS485 bus, realize sampling nodes on the bus communication data packet detection using the ring buffer technique, and use the hardware timer and system parameters in the controller, combine with a custom packet to complete point to point protocol design of broadcast communication, in order to realize the free cutting of the whole system and reliable control and stable data transmission and node. The actual field test that communication rate has no error and error operation under the condition of the cable length of 2 Mbps and 100 m.

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Wang, G., and X. Luo. "Design and debugging of communication between controller and Kingview based on CAN bus." World Journal of Engineering 10, no. 4 (August 21, 2013): 395–400. http://dx.doi.org/10.1260/1708-5284.10.4.395.

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By selecting hardware, erecting CAN network structure and adopting appropriate software and standard communication protocol to debug the system, the system realizes the data communication between controller and Kingview based on CAN bus. At the same time?with the detailed description of the debugging process and the validation of debugging results, the system realizes the monitor to controller by programming computer through CAN bus and the CAN data have been in a state of monitoring in the whole process. Testing results show that the system has good reliability, real-time and practicality, and shows the advantages of CAN bus.

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Song, Yu Qin, and Chun Li Li. "Monitoring System of CAN Bus Based on OPC Technology." Advanced Materials Research 662 (February 2013): 713–16. http://dx.doi.org/10.4028/www.scientific.net/amr.662.713.

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Through the comparison of many monitoring system’s schemes, the bus way of monitoring system was select which is based on CAN bus, using the PCI-5110 CAN interface card which is produced by ZHOU Li-gong company as the CAN node, selecting the CAN485MB intelligent protocol converters as their communication bridge between the CAN interface card and AI instrument. The system adopts the OPC technology to realize the communication between Kingview and CAN bus and builds a monitoring system based on CAN bus network to realize the function of the process control experiment platform of the real-time monitoring and graphical interface. Having friendly MMI, good flexibility, the whole system is worth to popularize and publicity.

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Qian, Wei Kang, and Xiao Lin Zheng. "Design and Creation of the Automatic Data Testing Tools for Smart Sensor Based on CAN Bus." Applied Mechanics and Materials 556-562 (May 2014): 2948–52. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.2948.

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As the purpose of environmental protection, NOx sensor is driven to develop. It is built to detect the concentration of nitrogen oxides in the exhaust emissions of motor vehicles. During the development of sensor, the automatic test for the sensor ́s output message is a significant procedure. This article is aimed to design a user friendly test tool based on LabVIEW for real time testing, evaluating and error detecting of sensor data transmitted via CAN bus. Controller area network (CAN) is one of the most widely and frequently used communication protocols in automotive applications. LabVIEW (Laboratory Virtual Instrument Engineering Workbench) is a system-design platform and development environment for a visual programming language from National Instruments. NI Company provides flexible and diverse CAN bus interface hardware and software drivers which is useful and necessary for building an automatic test system. It contains the features of configuration, displaying and decoding CAN data frames, checking CAN bus errors, testing and evaluating decoded messages, report generation, signal setting and validation.

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DeGaspari, John. "Feature Focus: Fieldbus Architecture: A Tale of Two Buses." Mechanical Engineering 123, no. 09 (September 1, 2001): 51–55. http://dx.doi.org/10.1115/1.2001-sep-2.

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This article focuses on field bus technology, a digital two-way conul1unications protocol. It is designed to take advantage of intelligent instrumentation equipped with microprocessors to communicate between the field and the control room. Because it can communicate large quantities of data from the field devices, industrial networks tying together field bus instruments open the way for complex control and automation tasks. As field bus evolves, some think that computer networking will play an increasingly important role and improve the performance in the plant. Both Profibus and Fieldbus Foundation provide for Ethernet capability. Wireless communication is also likely to play a potential role in field bus systems. There is a potential for wireless in data acquisition. Issues still needed to be worked out: electrical storms can interfere with communications and wires must be strung to power the devices.

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Dai, Ai Ni. "Design and Analysis of CAN User Layer Communication Protocol." Applied Mechanics and Materials 325-326 (June 2013): 1669–75. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.1669.

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A new protocol for CAN user layer communication based on CAN2.0B which is named Qucan_A is presented, at the same time, combined with the feature of control network, the design ideas and protocol structure have been provided, and the examples of how to use it are also given. (Abstract)Keywords-Field bus; Control network; CAN; User layer communication protocol (keywords)

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Shi, Yun Xu. "Software Design of Restaurant Service Mobile Robot’s Control System." Advanced Materials Research 462 (February 2012): 743–47. http://dx.doi.org/10.4028/www.scientific.net/amr.462.743.

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The modular design of restaurant service autonomous mobile robot control system has been done, and the system adopted distributed control, the control system of the host (such as computer module) through the unity of the bus and protocols for coordination of each module. The control system distributed in the three modules of the power and driver module (including power management unit, motion control unit, and drive unit), the sensor module (various sensors, etc.), and control computer modules. Then, using VC++ 6.0 developed the software of the control system, and the software is divided into user-level, decision making control layer, sensing/underlying decision making, and movement execution layer. Communication between layers and layers are standard physical layer and protocol layer, so each layer has a highly scalable, the user is free to increase the user's own equipment and control procedures just in accordance with the standard physical layer and protocol specification.

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Zhang, Bin, and Shang Wei Zhang. "Vehicle Network System CAN Protocol Based on the Anti-Jamming Methods Research." Applied Mechanics and Materials 385-386 (August 2013): 735–38. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.735.

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This document explains the CAN-bus protocol working principle and main content of vehicular networks (CAN) interference factors. Vehicular CAN network communication method has been widely accepted by the global auto makers. The CAN protocol abolishes traditional addresses coding, and instead to communication data block coding. The method can make the different nodes at the same time to receive the same data. How to prevent the interference of CAN become a new subject of practical. This paper discusses the vehicular CAN-bus to prevent interference pattern from two aspects of hardware, software.

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Zhang, Hao, Guo Huan Lou, Jiong Zhao Yang, and Zheng Yao. "Development and Research on Embedded Fieldbus Protocol Conversion Gateway." Advanced Materials Research 121-122 (June 2010): 228–31. http://dx.doi.org/10.4028/www.scientific.net/amr.121-122.228.

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Profibus and CAN bus are two kinds of widely used field bus in the industrial control field. However, this two bus protocol conversion devices are not introduced on the market, it can not meet the needs of users. Therefore, the design of a Profibus and CAN protocol translation ngateway is very important. By comparing the OSI reference model, the same points of Profibus and CAN bus can be found, their communication model structure is streamlined by the OSI model, they are only three layers, which makes it possible to interconnect them. This paper designs an embedded protocol conversion gateway, S3C2410 processor is used as main controller, SPC3 and SJA1000 are selected as Profibus and CAN protocol chips. The design has realized Profibus and CAN bus protocol conversion, using this gateway in industrial field can bring certain economic benefits for the enterprise.

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Barletta, Vita Santa, Danilo Caivano, Antonella Nannavecchia, and Michele Scalera. "A Kohonen SOM Architecture for Intrusion Detection on In-Vehicle Communication Networks." Applied Sciences 10, no. 15 (July 23, 2020): 5062. http://dx.doi.org/10.3390/app10155062.

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The diffusion of connected devices in modern vehicles involves a lack in security of the in-vehicle communication networks such as the controller area network (CAN) bus. The CAN bus protocol does not provide security systems to counter cyber and physical attacks. Thus, an intrusion-detection system to identify attacks and anomalies on the CAN bus is desirable. In the present work, we propose a distance-based intrusion-detection network aimed at identifying attack messages injected on a CAN bus using a Kohonen self-organizing map (SOM) network. It is a power classifier that can be trained both as supervised and unsupervised learning. SOM found broad application in security issues, but was never performed on in-vehicle communication networks. We performed two approaches, first using a supervised X–Y fused Kohonen network (XYF) and then combining the XYF network with a K-means clustering algorithm (XYF–K) in order to improve the efficiency of the network. The models were tested on an open source dataset concerning data messages sent on a CAN bus 2.0B and containing large traffic volume with a low number of features and more than 2000 different attack types, sent totally at random. Despite the complex structure of the CAN bus dataset, the proposed architectures showed a high performance in the accuracy of the detection of attack messages.

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Zhao, Xue Jin, Zhu Qing Liu, Tian Liang Hu, and Cheng Rui Zhang. "Design of a High-Speed Reconfigurable Serial Fieldbus with Reliable Communication Based on FPGA." Advanced Materials Research 490-495 (March 2012): 2125–30. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.2125.

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This paper present a high-speed reconfigurable serial fieldbus (HRSFB) used for industry communication with baud rate up to 10Mbps and reliable communication. We developed this fieldbus based on UART (Universal Asynchronous Receiver/Transmitter) and practice it on FPGA. By using hardware programming on FPGA, we can get the high speed and make the bus reconfigurable easily. This fieldbus system includes one main node and up to 255 sub nodes, and all the nodes can automatically identified and configured at the beginning of the system which makes the field bus system shrink or expand easily. Also hardware CRC technology and ask/answer mode are used in the communication protocol to guarantee the security of the communication. This bus has been widely used in many fields, like PLC controller, CNC machine controller, data acquisition system and so on.

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Alves Junior, Joilson, and Emilio C. G. Wille. "Routing in Vehicular Ad Hoc Networks: Main Characteristics and Tendencies." Journal of Computer Networks and Communications 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/1302123.

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The message routing in vehicular ad hoc networks (VANETs) is an attractive and promising area for research. These networks do not have a central coordination, the nodes are mobile, and the topology is highly dynamic, making the routing process a big challenge, since it is responsible for ensuring message delivery with small overhead and delay. In the literature, there are several routing protocols that can be used in VANETs; in this way, the main objective of this work is to classify, discuss, and compare such protocols through a review of research in this field. The protocol classification is based on the following criteria: type of architecture and mode of operation. Moreover, this work emphasizes the potential of the application of bioinspired and bus-based techniques in the routing problem solutions, which has been revealed as a main tendency nowadays. Bioinspired routing protocols are based on the behavior of entities in the nature, and they are meant to work in a distributed mode, using mobile agents to find routes with specific features. In a parallel line of research, the differentiated behavior of urban transport vehicles suggests that a system that makes use of buses to create a communication infrastructure can perform better when compared to a system that does not distinguish between vehicles.

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Liang, Geng, and Xin An. "Simulation analysis of communication performance of PROFIBUS in single and multiple master mode." Measurement and Control 53, no. 7-8 (June 10, 2020): 1238–49. http://dx.doi.org/10.1177/0020294020927420.

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With the application of digital information technology and communication technology, industrial intelligence and integration also began to develop rapidly, and the importance of the research on bus communication in industrial control communication also increased. As the first international bus standard, PROFIBUS has been widely used in the field of industrial control; in recent years, it was mainly used to connect devices to the control layer and convert data through token transmission. Based on the understanding of the transmission mechanism of PROFIBUS fieldbus protocol, this article carries out a simulation study on its communication performance. Through analysis of the data link layer, changing the target token cycle time (high and low priority) and random setting each site message number, as well as the number of master station and slave station, how the main token latency and packet loss rate and efficiency of bus affect the change of performance parameters was observed. For multiple communication systems, the relationship between the address value on the main token ring and transport performance is found by experiments on the site address value on the main token ring and the target token cycle time value. Finally, the scheduling algorithm is applied to the communication scheduling of PROFIBUS fieldbus. The results confirm that the scheduling algorithm has better transmission efficiency than the traditional MAC media access protocol under the condition that the load rate does not exceed 100%, which makes up for the shortcomings of the original PROFIBUS bus system and makes the communication performance better.

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