Volume 7 Number 12 (Dec. 2012)
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JSW 2012 Vol.7(12): 2866-2873 ISSN: 1796-217X
doi: 10.4304//jsw.7.12.2866-2873

OPC (OLE for Process Control) based Calibration System for Embedded Controller

Ming Cen, Qian Liu, Yi Yan
School of Automation, Chongqing University of Posts and Telecommunications, Chongqing, P. R. China

Abstract—During embedded software development of complex control system, the calibration is an important approach to obtain optimal parameters of embedded software. Currently, typical calibration systems are with poor adaptability for various controllers which have different communication interfaces and calibration protocols. In order to solve the problem, an improved architecture for embedded controller calibration system is proposed to support more communication buses and protocols. In this architecture, by introducing OPC (OLE for Process Control) technology, the host software of calibration system is separated into OPC server and client. The OPC server masks the difference of various calibration protocols and detail of communication devices, and provides a unified access interface for controller parameters. The OPC client calibrates and acquires the parameters though calling the interface provided by the OPC server. By the method, when communication device or calibration protocol is varied, only the corresponding OPC server is required to be replaced. Then the details of communication devices and calibration protocols are no longer considered while developing a calibration system, and the generality and openness of the calibration system are enhanced greatly. The calibration system corresponding to the architecture was applied to an engine controller to verify the effectiveness of the method presented.

Index Terms—Embedded software, Embedded controller, Calibration system, OPC technology


Cite: Ming Cen, Qian Liu, Yi Yan, "OPC (OLE for Process Control) based Calibration System for Embedded Controller," Journal of Software vol. 7, no. 12, pp. 2866-2873, 2012.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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