Distributed multi-dimensional force measuring system and force measuring method
A multi-dimensional force and distributed technology, applied in force/torque/work measuring instruments, measuring devices, measuring fluid pressure, etc., can solve problems such as heavy weight, and achieve high measurement accuracy, high precision and large-scale multi-dimensional force measurement.
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specific Embodiment approach 1
[0100] This embodiment is a distributed multi-dimensional force measuring system. figure 2 As shown, the distributed multi-dimensional force measuring system described in this embodiment includes several multi-dimensional force sensors and several displacement sensors;
[0101] The loading object is connected to the loading frame, and the loading frame is connected to the load platform of all the multi-dimensional force sensors, and the loading object can also be directly loaded with the multi-axis force sensor (MAFS). The Loading platform is connected, and the load object is directly regarded as the load frame at this time;
[0102] The supporting platform of all multi-dimensional force sensors is connected to the supporting frame, and the supporting frame is finally connected to the ground. The supporting platform of the multi-dimensional force sensor can also be directly connected to the ground. At this time, the ground is directly regarded as the support. frame.
[0103...
specific Embodiment approach 2
[0118] This embodiment is a force measurement method of a distributed multi-dimensional force measurement system. In this embodiment, all the derivation processes of the multi-dimensional force are deduced and explained by taking the most common six-dimensional force sensor as an example. For the multi-dimensional force sensor of other dimensions, it can be obtained by appropriately simplifying the six-dimensional force related formula. For example, for a planar three-dimensional force sensor (in the oxyz plane), all forces and linear deformations along the z-axis and torque and angular deformations around the x and y-axes are set to 0, and the corresponding six-dimensional equations are converted into three-dimensional system of equations to get the corresponding results. For the sake of convenience and ease of expression, some related drawings are expressed in a flat manner, such as figure 2 shown, but the content expressed is a three-dimensional structure of space, such a...
specific Embodiment 1
[0181] Figure 7It is a schematic diagram of a distributed multi-dimensional force measurement system for an aircraft wind tunnel test. In the figure, 1 is the isolation structure, 2 is the supporting ground, 3 is the sensor frame, and 4 is the sensor support Ground (Sensor supporting ground), 5 is a 6-axis force sensor, 6 is a supporting beam; 5.1 in the six-dimensional force sensor is the loading platform of the six-dimensional force sensor, 5.2 is the supporting platform of the six-dimensional force sensor;
[0182] The displacement sensor can be 7 optical triangular displacement sensor (Optical triangular displacement senior) or 8 capacitive displacement sensor (Capacitive displacement senior); if it is optical triangular displacement sensor, the optical triangular displacement sensor is set on the sensor frame (Fixed on Sensor frame); For the capacitive displacement sensor, a part of the capacitive displacement sensor is arranged on a sensor frame (Fixed on Sensor frame)...
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