Tracking control of a piezo-hydraulic actuator using input-output linearization and a Cascaded Extended Kalman Filter structure
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Tracking control of a piezo-hydraulic actuator using input-output linearization and a Cascaded Extended Kalman Filter structure. / Haus, Benedikt; Aschemann, Harald; Mercorelli, Paolo.
In: Journal of the Franklin Institute, Vol. 355, No. 18, 12.2018, p. 9298-9320 .Research output: Journal contributions › Journal articles › Research › peer-review
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TY - JOUR
T1 - Tracking control of a piezo-hydraulic actuator using input-output linearization and a Cascaded Extended Kalman Filter structure
AU - Haus, Benedikt
AU - Aschemann, Harald
AU - Mercorelli, Paolo
PY - 2018/12
Y1 - 2018/12
N2 - In this paper, an innovative piezo-hydraulic actuator (PHA) is considered that is intended to realize a fully variable valve control in camless combustion engines. A nonlinear model of the hydraulic system part is presented along with linear models of the remaining system parts. Accurate tracking of desired valve trajectories as well as soft landing despite disturbance forces and measurement noise is achieved using a combined control strategy. It consists of an input-output linearization of the nonlinear part as well as feedforward and linear quadratic integral (LQI) feedback control of the linear system part. Given measurements of the valve spool and engine valve positions, a Cascaded Extended Kalman Filter (CEKF) structure provides estimates for the immeasurable states. Simulation results confirm the effectiveness of the proposed approach.
AB - In this paper, an innovative piezo-hydraulic actuator (PHA) is considered that is intended to realize a fully variable valve control in camless combustion engines. A nonlinear model of the hydraulic system part is presented along with linear models of the remaining system parts. Accurate tracking of desired valve trajectories as well as soft landing despite disturbance forces and measurement noise is achieved using a combined control strategy. It consists of an input-output linearization of the nonlinear part as well as feedforward and linear quadratic integral (LQI) feedback control of the linear system part. Given measurements of the valve spool and engine valve positions, a Cascaded Extended Kalman Filter (CEKF) structure provides estimates for the immeasurable states. Simulation results confirm the effectiveness of the proposed approach.
KW - Engineering
KW - Actuators
KW - Bandpass filters
KW - Extended Kalman filters
KW - Feedback linearization
KW - Hydraulic actuators
KW - Hydraulic equipment
KW - Linearization
UR - http://www.scopus.com/inward/record.url?scp=85027405332&partnerID=8YFLogxK
U2 - 10.1016/j.jfranklin.2017.07.042
DO - 10.1016/j.jfranklin.2017.07.042
M3 - Journal articles
AN - SCOPUS:85027405332
VL - 355
SP - 9298
EP - 9320
JO - Journal of the Franklin Institute
JF - Journal of the Franklin Institute
SN - 0016-0032
IS - 18
ER -