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Brief

There was a mistake in the previous spec in which we modified duration calculations. The effective time cunsuption term was not well defined.

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We remove this value from the GUI and reports of calculations and replace it with other better defined values.

We should also review and correct out algorithms.

Mockup - in order

Mockup - standalone calculator

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• has no children operations then
  
  • Operations start date = Order start date
• else
  
  • Operations start date = MAX(Next operation blocked to date calculated for children operations)

Operations duration time without nonworking time = Setup time + Additional time + if

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Operation cycles on most used workstation = if

• not Divisible cycle time  then
  
  • + Cycle time * roundUp(Numer of cycles needed in order / Number of workstations)
• else
  
  • + Cycle time * (Numer of cycles needed in order / Number of workstations)

Operations duration time without nonworking time = Setup time + Additional time + Cycle time * Operation cycles on most used workstation

Operations duration time = Operations duration time without nonworking time distributed across working time of shifts

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• Next operation after type == Produced allOperation ended, then
  • = Operations end date
    
• Next operation after type == Produced specified quantity, then
  • = Operations start date + Next operations block duration

Next operation after cycles = if

• Next operation after produced quantity <= quantity of the operations main output product required in order
  
  • = required number of cycles to

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• • produce Next operation after produced quantity
• else
  
  • = required number of cycles to produce quantity of the operations main output product required in order

Next operation block duration without nonworking time = Operations start date + Setup time + if

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after cycles on most used workstation = if

• not Divisible cycle time  then
  
  • + Cycle time * = roundUp(Next operation after cycles / Number of workstations)
• else then
  
  • + Cycle time * (= Next operation after cycles / Number of workstations)

Next operation block duration without nonworking time = Setup time + Additional time + Cycle time + Next operation after cycles on most used workstation

Next operation block duration = Next operation block duration without nonworking time distributed across working time of shifts

Order calculated end date = Operations end date of root operation

Operations duration distribution - from a given start date

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Operations table in costs calculation

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