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Six dimensional force transducer calibration principle
- Categories:Technical knowledge
- Time of issue:2020-03-11 15:19
(Summary description)The calibration of the six-dimensional force transducer is carried out assuming that the transducer system is linear, i.e. the static mathematical model of the transducer satisfies
Six dimensional force transducer calibration principle
(Summary description)The calibration of the six-dimensional force transducer is carried out assuming that the transducer system is linear, i.e. the static mathematical model of the transducer satisfies
- Categories:Technical knowledge
- Time of issue:2020-03-11 15:19
- Views:
Information
The calibration of the six-dimensional force transducer is carried out assuming that the transducer system is linear, i.e. the static mathematical model of the transducer satisfies
F=CV
where V is the six-way raw information (column information in V) output from the six-dimensional force sensor and F is the calculated six-way force information (column information in KN for force and KNm for moment) [6-7].
The essence of the static calibration of the sensor is to derive the calibration matrix C using the generalised force vector set F applied to the six-dimensional force sensor and the six output signal vector sets V of the sensor obtained by sampling on the data acquisition, where the output signal of the sensor is a vector of six voltage signals. If the influence of the non-linearities of the sensor is not taken into account, a unique solution C can be obtained by applying 6 linearly independent force vectors to the sensor and measuring the output voltage signal vector V of the sensor corresponding to the 6 force vectors.
Product overview:
One of the world's smallest six degree of freedom transducers in a compact and low profile design. The sensor has a centre pass-through hole for mounting connecting rods and cables. Exceptionally high strength, wire cut from high strength stainless steel, with single axis overloads of 5.7 to 25.3 times the nominal range. High signal to noise ratio, the silicon strain gauge signal is 75 times stronger than conventional strain gauges and the signal is amplified to reach near zero noise distortion.
Six dimensional force sensor application areas:
This product is widely used in remote control robotics, robotic surgery, robotic arm research, finger force research, precision assembly, automatic grinding, contour tracking, two-handed coordination, zero force teaching and other operations, and has a wide range of applications in aviation, aerospace and machining, automotive and other industries.
Six dimensional force sensor features:
One, the sensor elastomer using patented structure, high sensitivity, good rigidity, small inter-dimensional coupling, with mechanical overload protection function.
Second, comprehensive decoupling bridge signal synthesis into six components of three-dimensional space, can be directly used for force control.
Three, the use of standard serial and parallel port input and output.
Four, the product can either form a two-stage computer system with the control computer, or can be connected to the terminal to form an independent test device.
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