Cascade control for the Variable Capacity of Gas Engine-Driven Heat Pumps

摘要：

Variable compressor rotary speed is one of the most effective methods for capacity adjustment of heat pump. The cascade control is proposed for capacity adjustment of Gas Engine-Engine Driven Heat Pump (GEHP). Firstly, the general cascade control structure of GEHP is described which includes two control loops, primary loop and secondary loop, and then the dynamics responses of cascade control system are studied by completing the theoretical analysis and simulation. The results of theoretical analysis and simulation show that: compared with single loop control, cascade control can improve control quality, suppress the disturbances entering the engine rotary speed control loop effectively, and limit the effect of engine gain variation on the primary loop control process.

关键词： gas engine-driven heat pump variable volume cascade control

作者: Wang Mingtao Yang Zhao Wu Xi

作者单位: School of Mechanical Engineering, Tianjin University, Tianjin300072, China

会议类型: 国际会议

会议名称: 2012 International Conference on Intelligent System Design and Engineering Applications(2012年智能系统设计与工程应用国际会议 ISDEA 2012)

会议地点: 三亚

会议语种:英文

页码: 1011-1016

在线出版日期: 2012-01-06（万方平台首次上网日期，不代表论文的发表时间）