| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide hybrid type construction equipment which can optimize power distribution to each section, in such a manner that an engine and a battery as power sources can be used in proper output ranges. <P>SOLUTION: Hybrid construction equipment comprises an oil pressure generating machine 14, a motor generator 12 connected with an engine 11 and functions as both a motor and a generator, an energy storage device 19, an electric drive section 21 which can generate regenerative power, and a control section 30 for controlling operation of the motor generator 12. The control section 30 calculates a first amount of assist power requested from a hydraulic drive section, a second amount of assist power requested from an electric load, and a third amount of assist power request for maintaining the charging rate of the energy storage device 19; determines the priority of first, second and third amounts of assist power request; and then determines the output value of the motor generator 12, based on the determination results. <P>COPYRIGHT: (C)2010,JPO&INPIT |
