Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Virtual variable displacement pump using a three-way on/off valve Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Three-way circuit with split tank and load valves, check valve, and soft switch Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Area profiles for 1 PWM period Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Inlet pressure profile for a three-way circuit with a relief valve Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Diagram of the soft switch chamber Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Power loss over 1 PWM period for a system with a relief valve Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Power loss over 1 PWM period for a system with a check-valve-only Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Pressure profile for a system with soft switching Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Flow rates in a soft switching system Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Position of the soft switch piston over 1 PWM period Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Power loss over 1 PWM period for a system with soft switching Figure Legend:

Date of download: 5/30/2016 Copyright © ASME. All rights reserved. From: Soft Switching Approach to Reducing Transition Losses in an On/Off Hydraulic Valve J. Dyn. Sys., Meas., Control. 2012;134(6): doi: / Reduction in energy lost/switch (J) from the check valve to the soft switching case Figure Legend: