The Integration of Group Technology and Simulation Optimization to Solve the Flow Shop with Highly Variable Cycle Time Process: A Surgery Scheduling Case Study

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr class="thead"><td align="left"> </td><td align="center" colspan="2">Overtime per operating room (minute)</td><td align="center" colspan="2">Waiting time (minute)</td><td align="center" colspan="2">Cycle time (minute)</td></tr><tr class="thead"><td align="left"> </td><td align="center">Average</td><td align="center">  Standard deviation</td><td align="center">Average</td><td align="center">Standard deviation</td><td align="center">Average</td><td align="center">Standard deviation</td></tr><tr><td class="thead-hr" colspan="7"><hr/></td></tr><tr><td align="left">Original system</td><td align="center">139</td><td align="center">  26</td><td align="center">46</td><td align="center">16</td><td align="center">200</td><td align="center">22</td></tr><tr><td align="left">Optimal solution</td><td align="center">75</td><td align="center">  2</td><td align="center">5</td><td align="center">1</td><td align="center">153</td><td align="center">2</td></tr><tr><td align="left">Improvement (%)</td><td align="center" colspan="2">46</td><td align="center" colspan="2">89</td><td align="center" colspan="2">24</td></tr><tr class="table-tr"><td colspan="7"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Mathematical Problems in Engineering

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Table 4: The Integration of Group Technology and Simulation Optimization to Solve the Flow Shop with Highly Variable Cycle Time Process: A Surgery Scheduling Case Study 

Table 4 | The Integration of Group Technology and Simulation Optimization to Solve the Flow Shop with Highly Variable Cycle Time Process: A Surgery Scheduling Case Study 