Description
Calculate recorded overlapping machine-attendance time share.
Production quantities distinguish planned time, operating time, setup, cycle time, demand, first-pass good units and accepted rework. A local availability term is not complete OEE, and equal time-per-unit arithmetic is not measured capacity. Counts and durations must share one nonoverlapping accounting scope.
Calculate recorded overlapping machine-attendance time share.
When to use this tool
Use Machine Attendance Overlap Fraction when you already have overlappingAttendanceMinutes, observationMinutes and need to calculate recorded overlapping machine-attendance time share.
How to use the tool and how it works
- Enter overlappingAttendanceMinutes, observationMinutes. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read fraction, remainder. Use the output convention below.
Require observationMinutes>0 and overlappingAttendanceMinutes within total; return overlap/observation and observation-overlap.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| overlappingAttendanceMinutes | Overlapping Attendance Minutes | Required. Finite number; minimum 0. |
| observationMinutes | Observation Minutes | Required. Finite number; strictly above 0. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| fraction | Fraction | Required. Finite number. |
| remainder | Remainder | Required. Finite number. |
{
"input": {
"overlappingAttendanceMinutes": 30,
"observationMinutes": 120
},
"output": {
"fraction": 0.25,
"remainder": 90
}
}Limitations and assumptions
- The denominator and overlap are supplied; no operator workload, double coverage, productivity or safe staffing is assessed.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Review the full time study, production ledger and process definition before interpreting performance. Use a complete capacity, OEE or workflow analysis when bottlenecks, quality, concurrency and operating constraints matter beyond one local term.
References
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