A rebalancing loop and system applicable to angular acceleration sensors
By introducing a rebalancing loop on the angular acceleration sensor and using multiple modules to process the signal, the sensor's problems in the measurement range, output stability and anti-interference ability are solved, and higher measurement accuracy and response speed are achieved.
Patent Information
- Application Number
- CN202211612782.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-15
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2042-12-15
AI Technical Summary
The existing angular acceleration sensors are not ideal in terms of measurement range, output stability, dynamic response speed and anti-interference ability. They cannot ensure the stability and response speed of output under large-scale measurements, and it is difficult to adjust the control loop parameters.
A rebalancing circuit suitable for angular acceleration sensors is adopted, including a demodulation module, a filter module, a zero-bias adjustment and a zero-bias full temperature compensation module, a correction module, an amplifier module, a sampling output and a full-temperature gradient compensation module, through which signals are processed to improve measurement accuracy and anti-interference ability.
It improves the measurement accuracy of the angular acceleration sensor, expands the measurement range, enhances the anti-interference ability, and ensures the stability and response speed of the output under large-scale measurements.
Smart Images
Figure CN115684650B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of angular acceleration sensors, and more particularly to a rebalancing loop applicable to angular acceleration sensors. Background Art
[0002] With the wide application of high-tech in the military field, it has become a future development trend for aircraft or missiles to operate in full attitude and large maneuver states.
[0003] Existing angular acceleration sensors applied to aircraft are not ideal in terms of measurement range, output stability, dynamic response speed, and anti-interference ability. They cannot balance ensuring output stability and response speed under large-range measurements, and it is also difficult to adjust the parameters of the current control loop. Summary of the Invention
[0004] The present invention aims at the above problems and provides a rebalancing loop applicable to angular acceleration sensors.
[0005] The technical solution adopted is a rebalancing loop applicable to angular acceleration sensors, which includes a demodulation module, a filtering module, a zero-bias adjustment and zero-bias full-temperature compensation module, a calibration module, a power amplifier module, and a sampling output and full-temperature gradient compensation module.
[0006] Further, the demodulation module demodulates the high-frequency oscillation signal output by the signaler into a DC voltage signal.
[0007] Optionally, the filtering module filters the signal demodulated by the demodulation module.
[0008] Further, the zero-bias adjustment and zero-bias full-temperature compensation module adjusts the zero-bias of the angular acceleration sensor and performs full-temperature compensation.
[0009] Optionally, the calibration module adjusts the output dynamics of the angular acceleration sensor.
[0010] Further, the power amplifier module adjusts the electrical stiffness of the angular acceleration sensor.
[0011] Optionally, the sampling output and full-temperature gradient compensation module adjusts the output gradient of the angular acceleration sensor and performs full-temperature compensation.
[0012] The present invention also provides a rebalancing system applicable to angular acceleration sensors, including a rebalancing loop applicable to angular acceleration sensors and a housing, and the rebalancing loop of the angular acceleration sensor is disposed in the housing.
[0013] Further, a display device is provided on the housing, and the display device can display the parameter data in the rebalancing loop.
[0014] The beneficial effects of the present invention at least include one of the following;
[0015] 1. The present invention realizes the improvement of the measurement accuracy, the expansion of the measurement range, and the enhancement of the anti-interference ability of the angular acceleration sensor by means of a rebalancing loop attached to the angular acceleration sensor, adjusting the output dynamics of the angular acceleration sensor through a calibration module, adjusting the electrical stiffness of the angular acceleration sensor through a power amplifier module, and adjusting the output gradient of the angular acceleration sensor and performing full-temperature compensation through a sampling output and full-temperature gradient compensation module.
[0016] 2. It solves the problem that the existing angular acceleration sensors are not ideal in terms of measurement range, output stability, dynamic response speed, and anti-interference ability, and it is impossible to balance ensuring the output stability and response speed in large-range measurements, and it is also difficult to adjust the parameters of the current control loop. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a block diagram of a rebalancing loop applicable to an angular acceleration sensor;
[0018] Figure 2 It is a circuit diagram of a rebalancing loop applicable to an angular acceleration sensor. DETAILED DESCRIPTION OF THE INVENTION
[0019] The following specific examples illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.
[0020] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner. Therefore, only the components related to the present invention are shown in the diagrams, rather than being drawn according to the number, shape, and size of the components in actual implementation. The types, numbers, and proportions of the components in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.
[0021] Such as Figure 1As shown in the figure, a rebalancing circuit applicable to an angular acceleration sensor includes a demodulation module, a filtering module, a zero-bias adjustment and zero-bias full-temperature compensation module, a calibration module, a power amplifier module, and a sampling output and full-temperature gradient compensation module. The demodulation module demodulates the high-frequency oscillation signal output by the signaler into a DC voltage signal. The filtering module filters the signal demodulated by the demodulation module. The zero-bias adjustment and zero-bias full-temperature compensation module adjusts the zero-bias of the angular acceleration sensor and performs full-temperature compensation. The calibration module adjusts the output dynamics of the angular acceleration sensor. The power amplifier module adjusts the electrical stiffness of the angular acceleration sensor. The sampling output and full-temperature gradient compensation module adjusts the output gradient of the angular acceleration sensor and performs full-temperature compensation.
[0022] The purpose of such a design is to, through the rebalancing circuit attached to the angular acceleration sensor, adjust the output dynamics of the angular acceleration sensor through the calibration module, adjust the electrical stiffness of the angular acceleration sensor through the power amplifier module, and adjust the output gradient of the angular acceleration sensor and perform full-temperature compensation through the sampling output and full-temperature gradient compensation module, so as to improve the measurement accuracy of the angular acceleration sensor, expand the measurement range, and enhance the anti-interference ability. It solves the problem that the existing angular acceleration sensors are not ideal in terms of measurement range, output stability, dynamic response speed, and anti-interference ability, and cannot balance ensuring output stability and response speed in a large-range measurement, and it is also difficult to adjust the parameters of the current control circuit.
[0023] As Figure 2 shown in the figure, this embodiment provides a rebalancing circuit applicable to an angular acceleration sensor, where:
[0024] It includes a demodulation partial circuit, a filtering partial circuit, a full-temperature zero-bias compensation partial circuit, a calibration partial circuit, a power amplifier partial circuit, and a sampling output and full-temperature gradient compensation partial circuit;
[0025] The demodulation circuit is composed of V16 and C25, and the filtering circuit is composed of C11. The first stage of the operational amplifier N1 is the calibration circuit.
[0026] The transfer function of the inverting terminal of the first stage of the operational amplifier N1 is:
[0027]
[0028] The transfer function of the non-inverting terminal of the first stage of the operational amplifier N1 is:
[0029]
[0030] By adjusting the resistance value of the resistor R8 or R14 in the circuit, the zero-bias output of the angular acceleration sensor signaler can be adjusted. At this time, there is:
[0031]
[0032] Where: VXH is the voltage value output after demodulating the voltage value output by the signaler.
[0033] V1 is the voltage value output by the voltage stabilizing diode V2.
[0034] By adjusting the resistance value of the resistor R13, full-temperature compensation for zero offset can be achieved.
[0035] The second stage of the operational amplifier N1 is the signal output partial circuit, and the transfer function is:
[0036]
[0037] Where:
[0038]
[0039]
[0040] It can be seen from the transfer function that: by adjusting the resistance value of the resistor R23, the adjustment of the output gradient is achieved; by adjusting the resistance value of the resistor R24, full-temperature compensation for the output gradient can be achieved; by adjusting the capacitance value of the capacitor C20 or C27, dynamic adjustment of the angular acceleration sensor can be achieved.
[0041] In this embodiment, a rebalancing system applicable to an angular acceleration sensor is further provided, which is characterized in that it includes a rebalancing circuit applicable to the angular acceleration sensor and a housing, and the rebalancing circuit of the angular acceleration sensor is arranged in the housing.
[0042] Meanwhile, a display device is arranged on the housing, and the display device can display the parameter data in the rebalancing circuit.
[0043] Finally, it should be noted that: The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A rebalancing loop applicable to an angular acceleration sensor, characterized in that, It includes a demodulation module, a filtering module, a zero-bias adjustment and zero-bias full-temperature compensation module, a calibration module, a power amplifier module, and a sampling output and full-temperature gradient compensation module; The demodulation module demodulates the high-frequency oscillation signal output by the signaler into a DC voltage signal; The filtering module filters the signal demodulated by the demodulation module; The zero-bias adjustment and zero-bias full-temperature compensation module adjusts and performs full-temperature compensation on the zero-bias of the angular acceleration sensor; The calibration module adjusts the output dynamics of the angular acceleration sensor; The power amplifier module adjusts the electrical stiffness of the angular acceleration sensor; The sampling output and full-temperature gradient compensation module adjusts the output gradient of the angular acceleration sensor and performs full-temperature compensation.
2. A rebalancing system applicable to an angular acceleration sensor, characterized in that: It includes a rebalancing loop applicable to an angular acceleration sensor and a housing as described in claim 1, and the rebalancing loop of the angular acceleration sensor is arranged in the housing.
3. The rebalancing system applicable to an angular acceleration sensor according to claim 2, characterized in that: A display device is arranged on the housing, and the display device can display the parameter data in the rebalancing loop.