CTS Corporation unbeils COBROS platform

CTS announced the launch of COBROS, a new platform for electric motor control. Developed over seven years of intensive research and development, COBROS introduces a fundamentally new approach to motor control by using real-time, in-situ magnetic field sensing. Traditionally, vector-controlled motors rely on indirect measurements to estimate the magnetic state inside the motor. These methods typically involve separate sensors for rotor position, such as encoders or resolvers, and current sensors like shunt resistors or Hall-effect devices. While effective, these components add cost, complexity, and introduce limitations in accuracy and system integration. Instead of estimating the magnetic state through external signals, COBROS directly measures the magnetic fields inside the motor, both for the stator and the rotor fields. A custom PCB sensor is embedded inside the motor, similar in form to a standard inductive position sensor, but can capture the full magnetic field data in real time. This eliminates the need for three discrete current sensors and a position sensor, allowing for simplified design, weight reduction and more precise control.