What is the difference between real-time systems and near-real-time systems in production processes?

Difference in the rigidity of data processing time frames and event response.

Hard Real-Time Systems:

• Have strict deadlines for task completion.
• Missing a deadline is considered a critical error, leading to system failure or serious consequences.
• Predictable behavior and guaranteed response time.
• Used in critical systems: flight control, life-support medical equipment, nuclear power plant control systems.

Soft Real-Time Systems:

• Have less strict task deadlines.
• Missing a deadline results in degraded performance or quality of the result, but not a complete system failure.
• Response time can vary (usually within acceptable delay).
• Used where small delays are permissible: multimedia systems, online games, stock trading platforms, most web applications.

In manufacturing processes, the choice between these systems depends on the criticality of delays in information processing and decision-making. Real-time systems are used for controlling robots on a conveyor with strict timing cycles, while soft real-time systems can be used for monitoring the overall condition of equipment or data visualization for operators.