Abstract
The Slovak automotive industry consists of various companies and suppliers, with different positions in the supply chain for automotive manufacturers. The accuracy of component deliveries and their quality affect the ultimate competitiveness of the entire automotive industry. The creation of strategic partnerships and stable supplier–customer relationships is currently a necessity. The aim of the article is to design the model for optimizing the ratio of the company suppliers in the Slovak automotive industry. The basis for designing the model was the results of our own research focused on the quality and timeliness of component deliveries from various suppliers. Supply chain members work with multiple subcontractors, using multiple subcontractors to supply the same components. We analyzed the overall quality of delivered components at a certain stage of the supply chain. The quality of the supplied components was the sum of all items from all suppliers. The aim of the proposed model is to determine the optimal percentage of individual suppliers of a particular part so as to minimize the overall risk associated with the supply and inventory of a particular part for the customer. Research methodology was focused on identification of the key performance indicators and key risk indicators of components deliveries by different suppliers. Those indicators provide a basis for the effective results of further research. We designed and used an algorithm for preparing and evaluating the model for optimizing the ratio of the company suppliers in the Slovak automotive industry. This research used modeling methods, simulations, and optimization models. The proposed model was verified in the specific conditions of the automotive supply chain. Deliveries from two subcontractors were simulated. Based on the results of the simulations, the optimal supply ratio of the two subcontractors was determined for a specific component of a member of the supply chain at a higher level. The results of the research can be useful for different suppliers in the Slovak automotive industry. By partially modifying the model and adapting it for different conditions in other industries, the model of optimizing the distribution of supply from individual suppliers can be used for other supply chains.
Highlights
The automotive industry is facing major changes as a result of the rise of new technologies, changes in customer expectations, and the growing need to focus on environmental, social, and governance policies
The third subchapter describes the algorithm that was observed in the design and verification of a new model, which is to optimize the distribution of supplies from individual suppliers of a particular component in the automotive industry in Slovakia
The aim of the model we have proposed is to point out the benefits of sharing suppliers in the network
Summary
The automotive industry is facing major changes as a result of the rise of new technologies, changes in customer expectations, and the growing need to focus on environmental, social, and governance policies. The automotive industry is experiencing radical upheaval. This transformation is being driven by four main trends: electromobility, shared mobility services, autonomous driving, and connected vehicles. The growing demand for electric cars and innovative mobility solutions shows how important the issue of sustainability has become. Slovakia can be described as an automotive power. It is referred to as a car assembly workshop. There are four large car factories in Slovakia: Volkswagen Group in Bratislava, PSA in Trnava, Kia Motors in Žilina, and Jaguar-Land Rover in Nitra.
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