CAN-based Platform for the Study and Experimentation on Networked Control Systems (NCS)

Godoy, Eduardo Paciência; Pereira, Raony Môlim de Sousa; Scorzoni, Fernando; Porto, Arthur José Vieira; Inamasu, Ricardo Yassushi

doi:10.3182/20100913-3-us-2015.00023

Cited by 7 publications

(2 citation statements)

References 15 publications

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“…According to the results of a previous paper [26], the limit value achieved for the message sampling time of one NCS of the platform was 2ms with the CAN network using a standardized network speed of 250kbits/s (with this value increasing according to the number of NCS operating simultaneously). This limit value is the smallest (or the fastest) sampling time in which the NCS operation occurs without drop and lost of messages or bigger time delays that overloads the controller software queues.…”

Section: Resultsmentioning

confidence: 99%

Sampling time adaptive control methodology for CAN-based Networked Control Systems

Godoy

Porto

Inamasu³

2010

2010 9th IEEE/IAS International Conference on Industry Applications - INDUSCON 2010

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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 NCS performance or even cause instability. For CAN-based NCS, another important issue is the correct selection of the messages sampling times. In order to mitigate these problems, control methodologies have been developed based on different types of network protocols in conjunction with different strategies to handle the degenerative effects related to NCS. This paper describes our approach to design and evaluate a new control methodology for application in CAN-based NCS. The solution is based on an adaptive PID controller that automatically manages the NCS sampling time, reducing the network utilization rate while maintaining NCS performance and stability. The feasibility and effectiveness of the control methodology are outlined through experimentation on a CANbased NCS platform, showing significant results in the CAN network utilization reduction.

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Section: Resultsmentioning

confidence: 99%

Sampling time adaptive control methodology for CAN-based Networked Control Systems

Godoy

Porto

Inamasu³

2010

2010 9th IEEE/IAS International Conference on Industry Applications - INDUSCON 2010

Self Cite

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“…The platform used for the experiments in this paper has been developed for NCS and WNCS research and experimentation [12], [13]. The communication network used for the NCS integration (sensor data acquisition and transmission of the control signal to the actuator) was the CAN protocol.…”

Section: A Experimental Setupmentioning

confidence: 99%