Study on dynamic response of the experiment to potted crop´s water consumption detection system

In order to detect on-line potted crop´s water consumption, the water consumption detection system to potted experiment is designed. It is mainly consist of the following sections: soil pot, funnel, water tank, water consumption sensor, leakage sensor, counterweight, dynamic strain gauge and computer, etc. With inputting the pulse signal, dynamic response test on detecting is applied for system. The signals are analyzed for time and frequency domain applying software of origin, transfer functions of the system are established, and dynamic behaviors of the system are analyzed. The results of the study indicate that: the system belongs to owe damped linear system. The response speed of the system, the band width on and others performance indexes are meeting the testing requirements.