Drive mode setting device and drive mode setting method

A drive mode setting device comprising:

• at least one processor and a memory, wherein the memory is configured to store non-transitory instructions, and the at least one processor is configured to:
• receive a drive mode combining command for instructing combining of at least three drive modes from among a plurality of pre-stored drive modes, wherein the at least three drive modes include a first drive mode, a second drive mode, and a third drive mode, and the drive mode combining command includes a first combining weight for the first drive mode, a second combining weight for the second drive mode, and a third combining weight for the third drive mode, which are selected by a driver;
• set a combined drive mode by combining the first drive mode, the second drive mode, and the third drive mode based on the first combining weight, the second combining weight, and the third combining weight in the drive mode combining command;
• determine a final steering assistance force value for the combined drive mode based on the first combining weight, the second combining weight, and the third combining weight, and a first steering assistance force value determined based on the first drive mode, a second steering assistance force value determined based on the second drive mode, and a third steering assistance force value determined based on the third drive mode, and generate and output a driving control signal corresponding to the final steering assistance force value;
• control a host vehicle based on the driving control signal according to the combined drive mode;
• and
• output information on the combined drive mode.