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Diversified monitoring function of surveying and mapping orientation system in high-altitude vehicle control system
- 2019-06-24-

The crank-type aerial work platform is a kind of complex hybrid boom structure adopting two-stage expansion and three-stage articulation. Due to the long span of the vehicle, the high range of operation and the high bearing quality, in order to ensure smooth, flexible and safe operation, the vehicle control system is highly demanded, and the control system is required to have high automation and perfect safety system. And good reliability and other characteristics. Therefore, components such as various types of sensors and mapping and orientation systems are often required to participate.


Generally speaking, the control system of such aerial work platform can realize the control and state monitoring functions of the vehicle, and mainly realize the control of the boom rotation, the exhibition, the extension of the legs, the control of the working platform and the leveling. Mainly composed of expansion controller, leveling controller, tilt sensor, angle sensor, proximity switch, display frequency, master switch, operating handle and so on.


A high-altitude vehicle generally refers to a vehicle that is powered by a hydraulic or electric system and is capable of lifting up and down to perform multiple operations. With hydraulically driven manned high-altitude vehicles, personnel need to work at heights, and safety is the first to bear. In order to obtain safety assurance, the vehicle's chassis automatic leveling control and high-altitude platform automatic leveling control are among the most important. Beiwei's static tilt sensor and dynamic tilt sensor provide precise control in automatic leveling control. Angle data to help the vehicle implement control.


The high-altitude vehicle is stationary at work, so the automatic inclination sensor A is applied to the vehicle chassis. The CAN bus technology is used to connect the vehicle, and the attitude angle of the vehicle chassis can be measured in real time, which can be used for leveling. Can be used to do tilt alarms.


The tilt sensor is mounted below the aerial work platform to measure the attitude angle of the platform. Static or dynamic tilt sensors can be used as needed. The tilt sensor and the boom and arm mounted on the boom are used to measure the lift angle of the arm, to detect the safety of the arm, and to control the lift angle.


With the development of society, the respect for life has reached a new height, so the tilt sensor at high altitude also uses the redundancy function. For this purpose, Beiwei Sen has introduced a tilt sensor with redundant function.


The BWM826 is a cost-effective dual-axis tilt sensor with MEMS technology and digital output. The measuring range is ±30°, the highest precision is 0.005°, and the operating temperature is -40°C-+85°C. The product uses a high-precision MEMS accelerometer and a high-resolution differential digital-to-analog converter with built-in automatic compensation and filtering algorithms to largely eliminate errors caused by environmental changes. The static gravity field is converted into a dip change, and the horizontal dip value is directly output by digital means. The product has high long-term stability, small temperature drift, simple use, and strong resistance to external interference. It is measurement and mapping, military equipment, industrial automation, etc. Recommended choice for industry dip measurement.


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