Fig. 1
Fig. 2
Bottleneck identification methods
| N | A | R |
|---|---|---|
| Longest Queue | length of a queue analysis or a measurement of the waiting time of machines | Lawrence and Buss (1994) |
| Longest Waiting Time | rate of utilisation of machines measurement | Law and Kelton (2000) |
| Utilisation | rate of utilisation of machines measurement | Hopp and Spearman (2000) |
| Average Active Period/Active Period | measurement of the machine activity continuously | Roser et al. (2001/2002) |
| Process Time | material flow time in process measurement | Delpf et al. (2003) |
| Queue Time/Average Waiting Time | the waiting time before the process measurement | Faget et al. (2005) |
| Inactive Period | inactive time of machine measurement | Sengupta et al. (2008) |
| Turning Point | observation of blocking and waiting of processes | Li et al. (2009) |
| Bottleneck Walk | observation of processes and the level of inter-process resources | Roser et al. (2014) |
| Flow Constraint Analysis | takt time and the resource cycle time comparison | Sims and Wan (2017) |
| C/T Corrected | cycle time and the degree of utilisation of each process measurement | Urban (2019) |