You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what type of motor is used in most electric power steering (eps) systems?" whose answer is electric motors.
Each document should contain about 30 words, and these documents should contain useful information.

Query: most common motor type in electric power steering systems
Useful Output:

Doc 1: The most common types of EPS systems are column-assist (C-EPS), pinion-assist (P-EPS), and rack-assist (R-EPS). C-EPS systems place the motor on
Doc 2: Most EPS systems use a 12-volt reversible permanent DC three-phase brushless electric motor for steering gear movement. The EPS motor will have
Doc 3: In recent years, brushless DC motors (BLDCs) have started to be used frequently in many applications in automotive industry, such as electric vehicles drive.
Doc 4: Electric Power Steering (EPS) uses an electric motor to assist the operation of the steering wheel. Compared to the conventional hydraulic assist system, EPS
Doc 5:  systems, an electric power steering system is driven by a permanent magnet motor.  systems are becoming more common and popular in vehicles.