| 摘要 |
PROBLEM TO BE SOLVED: To provide a travel data recording system for a motorized cart capable of easily and correctly analyzing data by utilizing memory capacity to the utmost extent and by avoiding an overwriting of data. SOLUTION: A controller 6 has an SRAM 22 for storing travel data and a CPU 21 for executing drive control of an electric motor 5 and storage control of the travel data. The CPU 21 repeatedly overwrites and stores only the travel data in the SRAM 22 for five seconds before acceleration operation signal input from a potentiometer 16, and continuously stores the travel data in the SRAM 22 as time elapses after trigger signal input. In the SRAM 22, only the travel data in a predetermined period before the acceleration operation signal input are accumulated, so that the capacity of the SRAM 22 is effectively utilized, and the travel data from a time right before the acceleration operation signal input until travel stop (failure occurrence) are stored without losing the sequence of the travel data, so that the data can easily be analyzed without carrying out troublesome data editing work. |
