Queue Data Structure is a linear data structure that follows the First-In-First-Out (FIFO) principle, used in industrial automation systems for managing task sequences, material flow, and process scheduling.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Capacity | Configurable (typically 100-10,000 elements) | |
| Access Time | O(1) for enqueue/dequeue operations | |
| Memory Type | Dynamic RAM allocation | |
| Persistence | Optional disk-backed queues for fault tolerance | |
| Concurrency Support | Thread-safe implementations available |
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This component is used in the following industrial products
A software component within a scheduler that organizes, prioritizes, and controls the execution order of pending tasks or jobs.
A software component within the Scheduling Algorithm Module that manages and prioritizes computational tasks or jobs in a queue system.
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By maintaining orderly processing of manufacturing tasks through FIFO discipline, ensuring that no task is starved while preventing resource contention through controlled access patterns.
Standard queues follow strict FIFO, but priority queue variants can be implemented where tasks with higher urgency (e.g., equipment failure) bypass regular sequence based on predefined criteria.
Systems implement overflow handling through either blocking (wait for space), rejection (error notification), or spillover to secondary storage, depending on criticality of operations.
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