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Fusion Algorithm of Self-adaptive Cubature Kalman Smoothing of Multi-sensor

Journal from gdlhub / 2016-11-07 06:29:05
Oleh : Jiang Jing, Ali Kanso, Telkomnika
Dibuat : 2016-06-01, dengan 1 file

Keyword : Kalman smoothing; Drunk-driving measurement and control; Self-adaptive; Modified function; Data fusion
Url : http://journal.uad.ac.id/index.php/TELKOMNIKA/article/view/4331

Aiming at drunk-driving test system of traditional single-point automobile which has neglected the influence of flow of in-car airflow on test precision and accuracy, this paper puts forwards in-car drunk-driving measurement and control method that is based on fusion technology of multi-sensors by exploration. Based on information fusion algorithm of D-S proof theory design, main hardware system and working mode of drunk-driving measurement and control system has been designed; scheme design of automobile drunk-driving test and control system that is based on multi-sensor test has been completed. When system model of cubature kalman smoothing is instable or abnormal, smoothing divergency will occur. In order to solve this problem, fusion algorithm of self-adaptive cubature kalman smoothing is put forwarded. Noise system statistical estimator has been designed to carry out on-line real-time estimation about statistical characteristics of noise; smoothing process shall be modified by adopting modified function when measurement is abnormal, so that precision of smoothing estimation and suppression ability for smoothing divergency are both improved.

Deskripsi Alternatif :

Aiming at drunk-driving test system of traditional single-point automobile which has neglected the influence of flow of in-car airflow on test precision and accuracy, this paper puts forwards in-car drunk-driving measurement and control method that is based on fusion technology of multi-sensors by exploration. Based on information fusion algorithm of D-S proof theory design, main hardware system and working mode of drunk-driving measurement and control system has been designed; scheme design of automobile drunk-driving test and control system that is based on multi-sensor test has been completed. When system model of cubature kalman smoothing is instable or abnormal, smoothing divergency will occur. In order to solve this problem, fusion algorithm of self-adaptive cubature kalman smoothing is put forwarded. Noise system statistical estimator has been designed to carry out on-line real-time estimation about statistical characteristics of noise; smoothing process shall be modified by adopting modified function when measurement is abnormal, so that precision of smoothing estimation and suppression ability for smoothing divergency are both improved.

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