Parameter self calibration method and manipulation device

Abstract

The invention provides a parameter self calibration method and a manipulation device which are applied to a process of carrying out self calibration on a parameter in the manipulation device. The method comprises the following steps: when a self calibration starting condition is satisfied, according to an actual input parameter of present operation of the manipulation device and a reference input parameter stored in the manipulation device, obtaining an input parameter maximum value of the manipulation device and storing the input parameter maximum value; according to the input parameter maximum value of the manipulation device, a median of the manipulation device and an output parameter scope determined according to an output parameter maximum value of the manipulation device, converting the actual input parameter of the present operation of the manipulation device into an output parameter of the present operation and outputting the output parameter. Thereof, the output parameter of the present operation is in the output parameter scope, and different types of input parameters of various manipulation devices and input parameters of different value ranges are automatically switched in a preset output parameter value scope.

Description

technical field [0001] The invention relates to the field of industrial control, in particular to a parameter self-calibration method and a manipulation device. Background technique [0002] With the continuous development of industrial technology, digital control technology is also flourishing, and the handle as a control device is increasingly widely used. However, there are various types of handles, including: handles for inputting current values ​​(such as 4-20mA), handles for inputting voltage values ​​(such as 0-5V), CAN (Controller Area Network, controller area network) Bus type handle, etc. The diversity of handle types leads to great differences in the range of input parameters. In addition, even for handles of the same model, the difference between the upper and lower limit values ​​of the handle or the values ​​collected by the collector will also cause differences between the handles. difference. [0003] For the existing handles, take the CAN bus-type handle ...

AI Technical Summary

Problems solved by technology

The diversity of handle types leads to great differences in the range of input parameters. In addition, even for handles of the same model, the difference between the upper and lower limit values ​​of the handle or the values ​​collected by the collector will also cause differences between the handles. difference

[0003] For the existing handles, take the CAN bus-type handle input as an example. The upper limit, median value, and lower limit of each handle are obtained through manual monitoring, and then these values ​​are used as the benchmark for calibration. Therefore, through Manually detecting the input range of handles will greatly increase labor costs, especially in the case of mass production applications, and manually performing characteristic research on these batches of handles will greatly increase the labor intensity of engineers

When the difference between the CAN bus-style handles is large, there will be program bugs (holes), and it may even cause the system to crash

In addition, due to the different types of input parameters of various joysticks, their value ranges must vary greatly (for example, 4-20mA and 0-5V), but in some application scenarios, it is required that the value of the control parameter must be controlled within a certain range , it is necessary to manually debug different types of handles, which will inevitably greatly increase the complexity of the processing. At present, there is no automatic calibration scheme to automatically calibrate the input parameters and adjust the input parameter values ​​​​in different numerical ranges to the same value. Parameter value range

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