READ ME This text describes the data presented in the paper: Piston motion control of a free-piston engine generator: A new approach using cascade control ======================== Introductory information ======================== Files included in the data deposit (include a short description of what data are contained): 1)Effects of injected fuel amount to TDC and engine speed 2)Cascade control error analysis 3)Injected fuel mass information after cascade control action Explain the relationship between multiple data sets, if required: Key words used to describe the data: Controller performance; control variable ========================== Methodological information ========================== A brief method description – what the data is, how and why it was collected or created, and how it was processed: The data was collected from the free-piston engine simulation model developed with Matlab/Simulink software. Instruments, hardware and software used: Matlab Date(s) of data collection: 2016 Geographic coverage of data: Data validation (how was the data checked, proofed and cleaned): Overview of secondary data, if used: ========================= Data-specific information ========================= Definitions of names, labels, acronyms or specialist terminology uses for variables, records and their values: Explanation of weighting and grossing variables: Outline any missing data: ======= Contact ======= Please contact rdm@ncl.ac.uk for further information