A complete lean system design for team-oriented product development projects

doi:10.1108/IJLSS-07-2023-0124

A complete lean system design for team-oriented product development projects

2024-07-10

0

PRE

AI

M

Mehmet Bülent Durmuşoğlu

C

Canan Ağlan *

DOI：10.1108/IJLSS-07-2023-0124

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PurposeThe inherent variability on process times and demand are the factors that prevent the efficient application of lean philosophy in multi-project product development (PD) environments. Considering this variability, a hybrid push-pull project control system is developed, and value stream costing (VSC) analysis is performed to reflect the relation between project lead time, capacity and project cost. The assessment of the push/pull project control on lead time improvement and long-term savings on capacity have been aimed with the proposed complete design structure.Design/methodology/approachIn a team-based structure, formed through clustering, push control techniques for planning tasks within cross-functional teams and pull control techniques for planning tasks between cross-functional teams are developed. The final step evaluates the proposed structure through VSC and long-term savings have been pointed out, especially in terms of freed-up capacity. For the validation of the proposed methodology, an office furniture manufacturing firm's PD department has been considered and the performance of the hybrid system has been observed through simulation experiments and based on the simulation results, the lean system is evaluated by VSC.FindingsThe results of simulation experiments show a superior performance of the proposed hybrid push/pull project control mechanism under different settings of cycle time between projects or shortly project cycle time, dispatching rules within teams and variability levels. The results of the Box-Score (tool to apply VSC) indicate increased capacity in the long term to add extra projects during the planning period with the same project lead time and without additional cost.Research limitations/implicationsAlthough extensive simulation experiments have been performed to quantify the effect of project control structure and positive results have been reported on lead time and cost, the proposed design structure has not been tested in all existing PD environments.Originality/valueTo the best of authors' knowledge, the quantification of the effect of hybrid project control with VSC is the first attempt to be applied in lean PD projects.

Keyword:

Lean product development

Cross-functional teams

Hybrid project control

Value stream costing

A complete lean system design for team-oriented product development projects

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