CONTROL SYSTEM ESTABLISHING GENERATOR CURRENT FOR MAINTAINING PARTICULAR BATTERY CHARGING STATE UNDER PRESENCE OF CHANGING SYSTEM LOAD

摘要

PROBLEM TO BE SOLVED: To maintain a battery all the time in such a charging state as not to reach a full-charging state by fitting a control system controlling charging of a battery from a rotating engine/generator according to the charging state of the battery. SOLUTION: A charging state estimating device 26 generates an estimated state signal 28 indicating the estimated state of a battery 22. An error signal generator 30 takes a difference the estimated state signal 28 and a signal indicating a desired charging state by a block 32 to generate a charging state error signal 34. The charging state error signal 34 is subjected to an integrating process by a processor 36 to generate a desired generator current signal 38 for a generator 12 to generate. An error signal generator 40 generates a generator current error signal 42 by a difference between the desired generator current signal 38 and an actual generator signal 18, and inputs it into a processing block 44 to conduct processing including integration and generate a generator control signal 46. The output signal of the generator 12 is controlled by the generator control signal 46.