Track generation device and fluid application system

A fluid application system comprising:

• a fluid discharge unit configured to discharge a fluid for applying the fluid to a surface of an object along a target application track, the fluid discharged by the fluid discharge unit having a viscosity that maintains a state in which the fluid is connected from the fluid discharge unit to the surface of the object;
• a track generation device configured to generate a track of the fluid discharge unit, and including
• a storage unit storing a time-series model indicating a relationship between the track of the fluid discharge unit and an application track of the fluid in consideration of behavior of the fluid due to the viscosity, the relationship being learned based on an actual track of the fluid discharge unit and an actual application track of the fluid, and
• a track generation unit configured to generate the track of the fluid discharge unit corresponding to the target application track using the time-series model upon reception of the target application track;
• and
• a control device configured to move the fluid discharge unit along the track generated by the track generation device while making the fluid discharge unit discharge the fluid.