Towards parallel execution of IEC 61131 industrial cyber-physical systems applications

Canedo,; Al-Faruque,

doi:10.1109/date.2012.6176530

Cited by 15 publications

(6 citation statements)

References 8 publications

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“…As multi-core processors become more common, their usage in the context of industrial automation is addressed as well. Recent efforts focus on the parallel execution of function blocks of one network, in order to minimize the finishing time of the application [8], [9], [10], [11]. This allows for shorter scan cycle times and therefore better control.…”

Section: Related Workmentioning

confidence: 99%

A many-core based execution framework for IEC 61131-3

Becker

Sandström

Behnam

et al. 2015

IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society

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Programmable logic controllers are widely used for the control of automation systems. The standard IEC 61131-3 defines the execution model as well as the programming languages for such systems. Nowadays, actuators and sensors connect to the programmable logic controller via automation buses. While such buses, as well as the sensors and actuators, become more and more powerful, a shift away from the current distributed operation of automation systems, close to the field level, becomes possible. Instead, execution of complex control functions can be relocated to more powerful hardware, and technologies. This paper presents an execution framework for IEC 61131-3, based on a many-core processors. The presented execution model exploits the characteristics of the IEC 61131-3 applications as well as the characteristics of the many-core processor, yielding a predictable execution. We present the platform architecture and an algorithm to allocate a number of IEC 61131-3 conform applications. Experimental as well as simulation based evaluation is provided.

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Section: Related Workmentioning

confidence: 99%

A many-core based execution framework for IEC 61131-3

Becker

Sandström

Behnam

et al. 2015

IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society

View full text Add to dashboard Cite

show abstract

“…Our pipelining approach addresses the problems in a broad range of industry automation 5 Breaking a data dependency also corrupts the semantics of a program and this can lead to incorrect execution that may result in severe consequences because cyclic control systems are controlling physical processes. applications including analog signal and digital signal processing.…”

Section: Pipelining For Cyclic Control Systemsmentioning

confidence: 99%

“…Existing algorithms [5] for parallelization of cyclic control systems heavily rely on dataflow analysis to discover regions of statements that can be executed in parallel. While this approach works well on applications with high degree of task/data parallelism (e.g.…”

Section: Pipelining For Cyclic Control Systemsmentioning

confidence: 99%

Pipelining for cyclic control systems

Canedo

Dalloro

Ludwig

2013

Proceedings of the 16th International Conference on Hybrid Systems: Computation and Control

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This paper presents a novel pipelining technique designed specifically to improve the execution of cyclic control systems and applications in terms of scan cycle time reduction and/or execution of additional workload. Based on the observation that cyclic control systems are tightly coupled with physical processes and that state information (e.g. on/off signals, temperature, pressure) is the most critical data in an application, we present new execution schemes that overlap the execution of multiple cycles in multicore processors over time. Using an edge detection application benchmark and a software real-time PLC (Programmable Logic Controller) implementation on a quad-core processor, we validate our pipelining method and show the performance scalability of the various schemes. Additionally, we analyze the resilience of our pipelining approach to time delays and propose a speculative execution method to deal with data dependency violations.

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“…Today, manufacturing Time-Triggered Real-time Embedded (TTRE) system is experiencing a major paradigm shift thanks to the innovations in the semiconductor and software industries that make the manufacturing faster, more energy efficient, and reliable [3,2,6]. Model-Based Design (MBD) [10,11] is considered to be a promising solution for the design and verification of the TTRE systems because any modification to the system may be rapidly addressed and verified in a higher level of abstraction.…”

Section: Introductionmentioning

confidence: 99%

Model-based design of time-triggered real-time embedded systems for digital manufacturing

Canedo

Faruque

2015

Proceedings of the 18th International Conference on Hybrid Systems: Computation and Control

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This work presents a novel Model-Based Design (MBD) approach and associated tool-chain for the IEC 61131-3 specific Programmable Logical Controllers (PLC) [2]. Our toolchain automatically synthesizes software for manufacturing Time-Triggered Real-time Embedded (TTRE) systems. A Software-In-the-Loop Simulation (SILS) framework integrated into our tool-chain helps to reduce the design iterations. Using a manufacturing robot-arm use-case, we validate our tool-chain and demonstrate a 39× improvement in the Qualityof-Control (QoC) when compared to the state-of-the-art approach [1]. Our auto-generated scheduler meets all the hard real-time constraints (zero deadline misses) for a given TTRE system when compared to the scheduler (e.g., 145 deadline misses for a CPU utilization of 95%) presented in [13].

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Towards parallel execution of IEC 61131 industrial cyber-physical systems applications

Cited by 15 publications

References 8 publications

A many-core based execution framework for IEC 61131-3

A many-core based execution framework for IEC 61131-3

Pipelining for cyclic control systems

Model-based design of time-triggered real-time embedded systems for digital manufacturing

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