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This paper presents the development of the Controller and efficient Control algorithms for enabling modularity and bus paralleling of High Power Converters employing high speed Controller Area Network bus (CAN). Presently paralleling of Converters requires common current sensors to sense the load current, which restricts the level of redundancy of the system as well as limits the number of Converter...
The paper mainly studied dosing pump unit and electronic control unit of exhaust after-treatment dosing system. It is based on SCR (selective catalytic reduction) technology. The ammonia combines with NOx to form harmless byproducts. New type metering pump based on stepper motor is adopted as AdBlue dosing equipment. The eccentric wheel drives plunger rod of pump. TMS320F28016 processor is the core...
Aiming at the monitoring environment characteristics, an on-line monitoring system of power cable joints temperature based on the combination of CAN wired transmission and ZigBee wireless network is designed. The structure, principle, software and hardware design of the system are given in this paper. By combining of CAN Bus and ZigBee network, not only long-distance transmission and wide range monitoring...
An embedded multi-physiological parameter collecting and real-time displaying system which is based on WinCE is designed and implemented in this paper. CAN bus was used to transfer physiological parameter signal. Alarm speaker which connected to the ARM9 processor S3C2440 was used to achieve the alarm function. Considering the huge data quantity and the high timeliness requirement, GUI used multi-threads...
The traditional vehicular network gateway takes charge of communication between different internal networks and helping the electric control units in vehicle to collaborate each other. Due to the increasing requirements on innovative applications such as infotainment systems and cyber-physical systems, there are significant efforts to have an external wireless network connection on the vehicles. Accordingly,...
This paper presents the design (hardware and software) and implementation of a control system for a 6-DOF robot. The motivation of the work is to explain the use of the architecture on available real-time distributed control systems. Based on the analysis of functions and configuration, we design a systemic modularized control structure with CAN field bus which is used to connect distributed hardware...
A control system based on the CAN-bus is designed to meet the real-time, reliable performance of the automatic lock devices. Modularization design idea is adopted. The control system consists of the main control module, the station of extracting the key teeth coding, the station of loading up billiards, down billiards, spring, the station of detecting lock, the station of sealing. Each station has...
Networked Control Systems (NCS) have become a widely considered research topic. This new control approach differs from the traditional fieldbus systems in that the controller and the plant are physically separated and connected through an industrial network. The major challenge of NCS design is the limited data feedback using the communication network (network delays and packet loss), which can degrade...
The following topics are dealt with: multivariable control; power generation control; temperature control; humidity control; PI control; active suspension system; power converters; PID control; fuzzy control; building energy management systems; electric vehicle; production engineering computing; road traffic control; adaptive control; controller area networks; and wireless sensor network.
This paper, describes the design and development of a Supervisory Control System (SCS) for an Electric Vehicle (EV) developed by The Applied Electronics Group. The SCS was implemented on a Panel PC, and the Controller Area Network protocol was used as the communication interface with the Traction Controller. This scheme allows implementing the complete control of the EV as two-level architecture,...
The controller area network (CAN) protocol is the most widely used in-vehicle network because it provides bounded transmission delay among electronic control units (ECUs) at data rates between 125Kbps and 1Mbps. And, many automotive companies have chosen the CAN protocol for their in-vehicle networking (IVN) system such as chassis network system of intelligent vehicles because of its excellent communication...
This paper introduces a set of integrated substation monitoring system established by virtue of CAN technology and DMP6000 DC system, which realizes all-round control and management of substation DC system. It gathers and controls protective signals of each protective unit in substations, sets protective fixed value and protects signals of protective unit subject to the values and generates corresponding...
The overall behavior of some twisted-pair CAN systems may be improved by use of optical fiber as physical medium. In this paper, a novel fiber CAN hub and the schemes of constructing CAN network based on it are proposed. The working principle of the hub is discussed in detail. WDM (Wavelength Division Multiplexing) technology is utilized to realize duplex signal transmission on one fiber link. By...
With the CAN/LIN network using in the Automobile Body Control System widely, in order to economically achieve the reliable communication in the vehicle, this article has designed a communication gateway based on ARM968E-S.This scheme introduces characteristics of ARM controller (LPC2919/01) and the CAN receiver (CTM1050T) in particular, achieved the software and hardware design of the CAN/LIN gateway...
According to work principle of controller area network (CAN) protocol, the use of CAN in time-critical and safety-critical control applications such as independent drived electric vehicle's powertrains presented designers with new special problems on the determination of real-time reliability rather than real-time capability. In this paper, real-time reliability analysis of the native event-triggered...
A CAN-BUS communication module for embedded system has been proposed in this paper, together with its hardware and software design. The motivation to design such CAN module is try to ease the development of CAN-BUS based embedded applications. With the CAN module, the engineers do not have to understand all aspects of CAN protocol, CAN controllers and CAN transceivers, therefore an industry automation...
Saving energy has become one of the most challenging issues these days. The most waste of energy comes from the inefficient use of the electrical energy consumed by artificial light devices (lamps or light bulbs). This paper presents a system with detailed design for saving electrical energy by controlling the intensity of artificial light to a satisfactory level and getting use of the day light when...
This paper discusses a greenhouse SCADA system based on CAN/1-wire double bus hierarchical network, its upper network connects HMI with RTU by CAN bus and its lower network connects RTU with various field environmental parameter transmitters by 1-wire bus. Greenhouses which adopt SCADA systems based on hierarchical network are convenient to be managed, they can isolate local faults effectively and...
Aiming at the weakness of currently ship-hull status monitoring, such as poor integration capacity, relatively closed system, limited coverage and so on, this paper designs a intelligent monitoring system for ship-hull status(IMSSS for short) based on CAN bus, and describes in detail the system framework and its hardware and software design. Taking the Philips ARM microprocessor as the core, the system...
The vehicle control system based on Network communication becomes increasingly complicated recently. The traditional research only focuses on the improvement of network communication quality or system control performance. The network configuration had been carried out to study the vehicle chassis integrated control system. Based on the MATLAB/Simulink and TrueTime Toolbox, the distributed CAN network...
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