Dual Coulomb Counting Extended Kalman Filter for Battery SOC Determination

Abstract

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Quadrotor-Type UAVs Assembly and Its Application to Audit Telecommunications Relays

“…Propellers are used to generate aerodynamic thrust. The first pair of propellers rotates clockwise (pusher) and the other pair rotates counterclockwise (puller) [17]. The thrust generated by propellers depends on the density of the air and the speed of the propeller, its diameter, the shape and surface of the blade and its pitch.…”

“…It is imperative to use the same engine throughout the same vehicle, as if pair of engine were of the same brand and model. Also, from the same production, their speeds may be slightly different and it is the air traffic controller who takes care of this [17].…”

“…Before explaining, we will present the tools used for assembly. This part describes the interconnection of electronic components and the assembly of the chassis without electronic components as is shown in Figure 2 [17].…”

Design of an Embedded Energy Management System for Li–Po Batteries Based on a DCC-EKF Approach for Use in Mobile Robots

“…However, in the case of offline techniques, it is quite possible, but after a certain period of operation of the cells, users will have to perform this tedious test and will lose the flexibility aspect intended for this product. Algorithm 1 summarizes the algorithm implemented in the master microcontroller, while Algorithm 2 summarizes the algorithm implemented in each slave microcontroller, for a more in-depth explanation of each EKF and CC function, it is advisable to read the authors' previous work [23]. The slave microcontroller collects the current and voltage measurements and remains in standby until the master microcontroller sends the initialization parameters.…”

“…However, the constraint of computational power limitation is not really addressed in most scientific papers dealing with this topic. This observation has already been tackled in a previous work by the authors [22], which focused on validating the possibility of the implementation of an EKF in an 8-bit microcontroller, working autonomously and performing SOC approximation on the fly and in [23] where the Dual Coulomb Counting Extended Kalman Filter approach (DCC-EKF) is described. Furthermore, to the authors' knowledge, all research done so far in the area of battery energy management using algorithms such as EKF is based on laboratory experiments with software such as MATLAB.…”