据此提出了一种自适应距离保护方法，根据误差的大小调整动作门槛。
A novel adaptive distance relay approach which can adjust action thresholds according to the error is proposed.
由于六轴平台的控制动作是由逆运算方式求得，造成位置误差会呈现累积现象。
The action controller of Stewart Platform is calculated by inverse kinematics and it is why we count up the error.
本文依据动作可靠性的基本概念，结合机器人动作可靠性评价的基本要求，建立了机器人运动误差分析模型。
According to the concept of motion reliability, an analysis model for movement error is established by considering basic requirement of robot motion reliability in this paper.
阀门整体抗冲蚀、汽蚀能力强，调节精度高，动作灵敏，误差小等特点。
This valve has the characteristics of having strong ability for erosion resistance and cavitation resistance, high regulating precision, sensitive action and small deviation.
它工作精度高，连续工作不产生累计误差，能实现动作编辑、实时检测、数据处理等功能。
It can work with high precision and low error for a long time, and has the function of real-time test, action edit and Data Processing.
结果表明：（1）目标位置（而非目标颜色）导致定位距离误差的变化，说明视觉的知觉—动作双系统理论适用于视觉记忆引导的目标定位；
Results indicated that: (1) dot's position (not color) effect the localization displacement error, so the Perception-Action double-system theory is still compatible under memory-guided localization;
结果表明：（1）目标位置（而非目标颜色）导致定位距离误差的变化，说明视觉的知觉—动作双系统理论适用于视觉记忆引导的目标定位；
Results indicated that: (1) dot's position (not color) effect the localization displacement error, so the Perception-Action double-system theory is still compatible under memory-guided localization;
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