Continental's New E-Motor Rotor Position Sensor: More Efficiency and Smoother Operations for Electric Vehicles

The standardized e-motor Rotor Position Sensor is easy applicable, highly efficient as well as compact and lightweight

Continental is expanding its sensor portfolio for the fast-growing electric car market with the unveiling of a new innovative sensor. The high-speed inductive e-motor Rotor Position Sensor (eRPS) detects the exact position of the rotor in a synchronous electric machine, which helps to increase efficiency and enables smoother operations.

Compared to existing resolver sensors, the eRPS is more compact and 40 percent lighter in weight. Existing solutions for rotation measurement are often based on the resolver principle (a rotary electrical transformer), which is complicated and needs to be adapted to each type of synchronous motors specifically. The eRPS, however, is a standardized component for every motor regardless of the number of pole pairs. It is easy to carry over this new sensor from one motor to another, making it an attractive option for electric cars. The start of production is planned for the end of 2025.