Control-guided Communication: Efficient Resource Arbitration and Allocation in Multi-hop Wireless Control Systems
Dominik Baumann, Fabian Mager, Marco Zimmerling, Sebastian Trimpe
TL;DR
This paper introduces control-guided communication, a co-design approach that enables efficient resource arbitration and allocation in multi-hop wireless control systems, improving energy efficiency and bandwidth utilization.
Contribution
It presents a novel method for distributed self-triggered control that informs communication resource allocation, enabling multi-hop wireless systems to optimize performance and energy use.
Findings
Successful synchronization of multiple cart-poles over wireless networks.
Demonstrated energy savings and flexible bandwidth sharing in experiments.
First evaluation of distributed self-triggered control at tens of milliseconds update rates.
Abstract
In future autonomous systems, wireless multi-hop communication is key to enable collaboration among distributed agents at low cost and high flexibility. When many agents need to transmit information over the same wireless network, communication becomes a shared and contested resource. Event-triggered and self-triggered control account for this by transmitting data only when needed, enabling significant energy savings. However, a solution that brings those benefits to multi-hop networks and can reallocate freed up bandwidth to additional agents or data sources is still missing. To fill this gap, we propose control-guided communication, a novel co-design approach for distributed self-triggered control over wireless multi-hop networks. The control system informs the communication system of its transmission demands ahead of time, and the communication system allocates resources accordingly.…
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