1. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Electric planetary gear VVT system Figure Legend:

2. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Free body diagrams of planetary gear components Figure Legend:

3. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Block diagram of an electric motor with the planetary gear system Figure Legend:

4. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 EVVT control system architecture Figure Legend:

5. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Torque load for single cylinder Figure Legend:

6. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Simulated cam phase responses at 1500 rpm Figure Legend:

7. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Cam phase output comparison at 2000 rpm Figure Legend:

8. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 EVVT system test bench diagram Figure Legend:

9. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 EVVT test bench Figure Legend:

10. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Closed-loop identification framework Figure Legend:

11. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 EVVT bench step response comparison Figure Legend:

12. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 EVVT phase tracking comparison Figure Legend:

13. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Sinusoidal responses of the closed-loop EVVT system at 0.01 and 1.00 Hz Figure Legend:

14. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Measured and identified EVVT frequency responses at 1000 rpm Figure Legend:

15. Date of download: 7/5/2016 Copyright © ASME. All rights reserved. From: Modeling and Control of an Electric Variable Valve Timing System J. Dyn. Sys., Meas., Control. 2013;136(2):021015-021015-11. doi:10.1115/1.4025914 Impact of engine oil viscosity on EVVT response Figure Legend: