Via the theoretic derivation of temperature compensation, the temperature compensation strategy of intellect electronic level instrument is introduced.
通过对温度补偿原理的理论推导，介绍了智能电子水平仪中的温度补偿策略。
Subarea control strategy is given: different PID controllers are designed depended on error and its derivation.
采用了分区控制思想，根据不同的误差和误差变化趋势，采用了不同的PID控制策略。
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