Calamp Corp.

Todd Sprague

Peter Hergesheimer

Alexandre Dlagnekov

Alexandre Diagnekov

Systems and methods for low-latency calibration of the alignment of 3-axis accelerometers in accordance embodiments of the invention are disclosed. In one embodiment of the invention, a telematics system includes a processor, an acceleration sensor, a velocity sensor, and a memory configured to store an acceleration alignment application, wherein the acceleration alignment application configures the processor to determine vehicular forward acceleration information and vehicular lateral acceleration information, calculate a lateral acceleration vector, a forward acceleration vector, and a vertical acceleration vector using a forward incline vector and a lateral incline vector determined using the vehicular forward acceleration information and vehicular lateral acceleration information.

Systems and methods for low latency 3-axis accelerometer calibration

Systems and methods for the calibration of 3-axis accelerometers using vertical sample buffers in accordance embodiments of the invention are disclosed. In one embodiment, a telematics system includes a processor, an acceleration sensor, a velocity sensor, and a memory configured to store an acceleration alignment application, wherein the acceleration alignment application configures the processor to receive a velocity information sample using the velocity sensor, determine vehicular acceleration information along at least one vehicle axes using the velocity information sample, receive at least one acceleration sensor acceleration information sample using the acceleration sensor, determine a plurality of vertical vector samples using the vehicular acceleration information, calculate an average vertical vector sample using at least one of the vertical vector samples, and calibrate at least one of the vehicle axes to an acceleration sensor axis using the vehicular acceleration information, the acceleration sensor acceleration sample, and the average vertical vector sample.

Systems and methods for 3-axis accelerometer calibration with vertical sample buffers

Systems and methods for calibrating the alignment of 3-axis accelerometers in accordance embodiments of the invention are disclosed. In one embodiment of the invention, a telematics system includes a global positioning system (GPS) receiver. an accelerometer, and a processor, wherein the GPS receiver is configured to determine velocity information, wherein the accelerometer is configured to determine accelerometer acceleration information along one or more accelerometer axes, and wherein the processor is configured to receive a velocity information sample using the GPS receiver, determine GPS acceleration information along one or more vehicle axes using the velocity information sample, receive accelerometer acceleration information samples using the accelerometer, and calibrate one of the vehicle axes to an accelerometer axis in the one or more accelerometer axes using the GPS acceleration information sample and the accelerometer acceleration information sample.

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Placerville, CA, United States of America

Todd Sprague