Method for implementing vehicle-mounted dynamic weighing

A dynamic weighing and load cell technology, applied in weighing, measuring devices, instruments, etc., can solve problems such as difficulty in on-board weighing, and achieve the effect of improving accuracy

Active Publication Date: 2013-01-30
西安航天三沃机电设备有限责任公司
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Problems solved by technology

However, the load weighing of the vehicle during dynamic operation is affected by many factors, such as: the type of vehicle, the condition and roughness of the road surface, the speed and acceler

Method used

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  • Method for implementing vehicle-mounted dynamic weighing

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Embodiment

[0030] Referring to the accompanying drawings, the method for realizing vehicle-mounted dynamic weighing described in the present invention is a novel method for realizing vehicle load weighing anytime and anywhere, and its implementation steps are as follows.

[0031] 1. Set up a vehicle dynamic weighing system consisting of a CPU module, a multi-channel AD module, a speed sensor module, an acceleration sensor module, a hub and a plurality of load cells (CPU module, a multi-channel AD module, a speed sensor module and an acceleration sensor module It also constitutes the weighing processing unit of the system), in which the output of each weighing sensor is connected to the input of the multi-channel AD module through the hub through the analog signal bus, and the output of the multi-channel AD module is connected to the weighing of the CPU module through the SPI bus. The signal input end is connected, and the output ends of the speed sensor module and the acceleration sensor ...

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Abstract

The invention provides a method for implementing vehicle-mounted dynamic weighing. A vehicle-mounted dynamic weighing system, which comprises a CPU (Central Processing Unit), a multi-channel AD (Analog/Digital) module, a speed sensor module, an acceleration sensor module, a line concentrator and a plurality of weighing sensors, is adopted in the method. The method comprises steps of: forming a proper data model according to the difference and relations among signals acquired in various states of a vehicle in running by comprehensively considering the vehicle speed, acceleration, vibration of a vehicle body, gradient of a pavement and the like, and finally carrying out data processing by a filter algorithm and an interpolation algorithm, so that the vehicle-mounted weighing device can reach high weighing precision. The method is simple in principle and fast in operation speed, and is suitable for vehicle-mounted weighing systems of various forms.

Description

technical field [0001] The content of the present invention belongs to the technical field of vehicle weighing, and relates to a signal processing method capable of realizing vehicle dynamic weighing. Background technique [0002] With the continuous development of the market economy and the rapid growth of the logistics industry, a series of problems such as vehicle overloading, road congestion, and infrastructure safety have also followed. New requirements, resulting in the exploration of new vehicle weighing technologies that can meet the balance between weighing accuracy and traffic efficiency, have been put on the agenda. [0003] At present, the well-known measurement methods in the field of vehicle weighing mostly adopt the method of separating weighing and driving state, that is, the method of measuring when the vehicle is stationary, and is mainly applied to a certain extent on specific engineering vehicles. However, the load weighing of the vehicle during dynamic ...

Claims

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Application Information

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IPC IPC(8): G01G19/03
Inventor 张伟许晨光袁玉华王文丽窦丹丹
Owner 西安航天三沃机电设备有限责任公司
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