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Real-Time Operating Systems
Published in Leanna Rierson, Developing Safety-Critical Software, 2017
As the name implies, resource contention is a conflict over a shared resource, such as processor or memory. Three specific contentions that need to be dealt with in an RTOS are deadlock, starvation, and lockout. Each is described in the following:
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Published in Philip A. Laplante, Comprehensive Dictionary of Electrical Engineering, 2018
contention additional latency incurred as the result of multiple requestors needing access to a shared resource, which can only be used by one at a time. contention protocol class of a multiple access protocol where the users' transmissions are
Capturing the benefits of industry 4.0: a business network perspective
Published in Production Planning & Control, 2019
Andreas Schroeder, Ali Ziaee Bigdeli, Carlos Galera Zarco, Tim Baines
Future research should also expand the investigative scope by examining the network concept in different business domains and investigate the further kinds of networks currently appearing. The current road transport case represents a comparatively accessible network structure as the limited and transparent exchange of data and benefits provide a natural boundary to identify a network scope and analyze its members’ exchanges. Future research that investigates the industry 4.0 context within other industries (e.g. advanced manufacturing) is likely to face more complex network structures, member roles, and mutual interdependencies. Such environments where data and benefits are exchanged across potentially far-flung contributors provide opportunities for future research to extend the conceptualizations of product-use data as a shared resource to the context of ‘systems’ (Cao et al. 2016), or ‘systems of systems’ (Nielsen et al. 2015). Further, the current digitalization efforts bring about new kinds of open data networks where multiple stakeholders make their data openly available to stimulate collaboration and innovation (e.g. smart cities, Benito 2017). The mechanisms and strategies required for governing these forms of networks will be important areas for future research.
Hybrid sensing-based approach for the monitoring and maintenance of shared manufacturing resources
Published in International Journal of Production Research, 2023
Geng Zhang, Chun-Hsien Chen, Bufan Liu, Xinyu Li, Zuoxu Wang
The step of event definition aims to define the rules that are used to translate the acquired hybrid data into the identified performance related to the shared resource. The rule is generally generated from the production experience. Thus, it can be defined based on the sensed user/customer-generated data and the existing production knowledge. The second step is to judge whether the required data is sensed and available in the input part. If the required data is ready, the event will be triggered and executed. The event execution step aims to invoke the rule which is defined in the first step to calculate the output of the event and evaluate the real-time performance of the shared manufacturing resource during a time slot.
Simulation based model for component replenishment in multi-product ATO systems with shared resources
Published in International Journal of Modelling and Simulation, 2022
Azeem Shami, Ashesh Kumar Sinha
Resource sharing in manufacturing enables performance and service levels improvement while keeping low capacity costs [19,20] [21]. studies decision-making in shared resource efficiency by evaluating the model as a two-stage data envelopment analysis. His study includes real-life situations where some production outcomes have failure capability and may undergo repair operations.