human: Given a node-centered hypergraph: <hypergraph>, where nodes represent authors and hyperedges represent groups of authors who co-authored the same paper.

Details of the hypergraph:
Center node: "Exploration of hardware/software design space through a codesign of robot arm controller"
  Abstract: This paper deals with exploration of hardware/software design space. The analysis is illustrated using a design of robot arm controller. The controller makes use of an adaptive speed control in real-time. Several architectural solutions are discussed with regard to their performance and cost. The goal is to select the best solution that satisfies the real-time constraints and minimizes the cost.

Connected through hyperedge HE-1 (induced by source paper "Design of an adaptive motors controller based on fuzzy logic using behavioural synthesis"):
  with members:
    (none)

Question: Please tell me which research area the center author belongs to. The 4 classes are: Computer science, Mathematics, Engineering, Economics, Psychology, Business. Directly output the class name.

gpt: Computer science