TESEO_DRAW Dead reckoning automotive way Data brief Application In-dash navigation Emergency call (eCall, ERA-GLONASS) Usage-Based Insurance (UBI) Anti-theft Fleet management Asset tracking Road tolling Car to car Description TESEO-DRAW firmware is a multi-sensors data fusion hub for Teseo family IC’s. Features Flexible firmware solution, supporting different configurations: Classic CAN gyro Mixed Differential Wheel Pulse (DWP) Sensors over UART Automatic free mount Automatic sensors and temperature compensation 3D dead reckoning Map matching feedback June 2014 Thanks to filtering and predictive algorithms TESEO-DRAW augments user’s positioning experience in terms of accuracy and availability, especially when GNSS signal is degraded by environmental conditions (tunnels, urban canyon, indoor parking and multilevel highways junctions). Vehicle’s position, height, heading and velocity are calculated by a Kalman filter, which fuses information coming from GNSS satellites with data coming from sensors such as gyroscope, accelerometer, odometer and temperature sensors. TESEO-DRAW is provided bundle with ST TESEO GNSS multiconstellation receiver IC’s. DocI026597 Rev 1 1/4 www.st.com Overview 1 TESEO_DRAW Overview Figure 1: Dead reckoning user cases Table 1: Firmware configurations Name Yaw rate sensors Distance sensors Other sensors Classic MEMS gyroscope Discrete odometer Discrete reverse signal 3axis accelerometer Temperature sensor CAN gyro CAN gyroscope CAN odometer CAN reverse signal Mixed MEMS gyroscope CAN odometer CAN reverse signal 3axis accelerometer Temperature sensor DWP CAN differential wheel pulse CAN odometer CAN reverse signal Evaluation tools TESEO-DRAW firmware is available on demand and works in combination with any Teseo evaluation kit. 2/4 DocI026597 Rev 1 TESEO_DRAW 2 Revision history Revision history Table 2: Document revision history Date Revision 24-Jun-2014 1 DocI026597 Rev 1 Changes Initial release. 3/4 TESEO_DRAW Please Read Carefully Information in this document is provided solely in connection with ST products. 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