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Worker agent
Skill :(1,1,0,1,1)
Report
Worker agent
Skill : (1,0,0,1,0)
Et
Event
Required skill : (1,1,0,0,1)
Required workload : 3
Process
Event
Required skill : (1,0,0,0,0)
Required workload :3
Worker agent
Skill : (1,0,0,1,0)
Worker agent
Skill : (0,1,0,0,1)
Required workload : 3
2
2
(a) Processing
(b) Reporting
Worker agent
Skill : (1,1,0,1,1)
Event
Required skill : (1,1,0,0,1)
Required workload : 3
Sub-event ͳ
Required skill ͳ : (1,0,0,0,0)
Required workload ͳ : 3
Sub-event ʹ
Required skill ʹ : (0,1,0,0,1)
Required workload ʹ : 3
Worker agent
Skill : (1,0,0,1,0)
Worker agent
Skill : (0,1,0,0,1)
(c) Assigning
Fig. 2. Example of worker agents' actions
In the example described in Fig. 2(c), worker agent A divides event e into two
sub-events e 1 and e 2 , and assigns them to subordinates B and C , respectively.
3.5 Time Step
In each time step, this simulation processes as follows:
(1) the plant environment generates events and assigns them to worker agents,
(2) where each worker agent selects one action based on the assigned events, and
(3) each worker agent acts as selected.
(4) The events are removed when their required workload w e =0,
(5) and time t e of the events, which are not processed by the worker agents, are
increased, and then,
(6) the production rate r is calculated.
Since production rate r is recalculated every time step, the probability of event
generation is different for each time step. The number of events removed in one
time step does not exceed the number of worker agents. Additionally, the remain-
ing events worsen over time. We represent the tradeoff between the production
rate and problem occurrence, and calculate the production rate limit for safe
production by simulation using this model.
 
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