A digital controllable load device is designed.All kinds of load torque,parameter and load which can influence system capability will be imitated in the device.So it provides a good terrance for drive system and promote high capability motor development.The digital controllable load device has the advantages of quickly dynamic response, high stable precision and easy control.Finally,theoretically analyzing,system simulation and experimental results show the feasibility of this device.%在进行理论分析和系统仿真的基础上,设计了数字化可控加载装置,模拟了各种负载转矩、参数及负载变化对系统的影响,从而为拖动系统进行各种加载装置的性能研究提供了良好的平台,推进了高性能电机的发展和高性能拖动系统的研究.该装置具有动态响应快、稳态精度高、鲁棒性强、控制灵活等特点.最后,通过仿真及实验证明了可控加载装置理论的正确性及可行性.
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