Aero|WS is the ideal platform scale weighing system for those who need to accurately measure weight and weight distribution on aircraft and helicopters up to 5000kg per wheel.
Its footprint size and range make it an affordable solution for weighing and measuring the centre of gravity of medium aircraft and helicopters, during construction or maintenance work where required.
Both the ramps and the weighing platforms of which it is composed are light and of contained dimensions, perfectly suited to be handled by the work team comfortably and quickly.
THE LOAD RECEIVING PLATFORMS
Aero|WS load receptor scales or platforms are manufactured from seamless, machined aeronautical grade aluminium monobloc. The choice of material, as well as the elaborate internal structure, ensures a rigid behaviour when applying the nominal load on a surface equivalent to the tyre footprint, avoiding the appearance of non-vertical force components.
The sensors chosen to equip each platform are high-end HBM bending load cells, mounted with height-adjustable feet.
The selected connectors are of the highest quality, made of steel, equipped with a self-centring mechanism and automatic locking.
As an option, we can also supply aircraft wheel locking elements of the same construction quality to be attached to the platform.
The access ramps are made of welded aeronautical grade aluminium, with high strength and light weight for easy handling during installation.
The slope of the ramp allows easy towing of the aircraft or helicopter on the system. The structural calculation of this element guarantees a long useful life, in line with the rest of the elements that make up the system.
CONTROL AND VISUALISATION CASE
The system is remotely controlled from a SYSTRATEC aircraft|REFERENCE control and display case.
The individual signals from all the system’s load cells are fed into the case for acquisition and processing by the Systratec CORE + Systratec LCGRID electronics inside.
The case is equipped with a TFT colour touch screen for clear and simple operation of the system. It also has a thermal printer to obtain a printout of the weight and position data of the load on each connected platform.
The rechargeable LiFePO4 technology battery inside the case provides more than 8 hours of continuous operation and can be fully recharged in 45 minutes.
MEASUREMENT OF WEIGHT AND CENTRE OF GRAVITY
We continuously monitor the signal coming from each load cell, amplifying it using zero-drift instrumentation operational amplifiers and then attacking the digitisation stage using noise-free 24-bit sigma-delta converters. The digitised signal is processed by DSP algorithms and evaluated for quality and then converted to weight values by applying the multi-point calibration parameters stored in the system.
The individualised and simultaneous access to each load cell is the start of our exclusive centre of gravity calculation algorithm, which allows the exact position of the wheel on the platform to be known in X and Y coordinates with millimetric precision.
The combination of these unique SYSTRATEC technologies ensures that each weight value and XY position of the load delivered by the system corresponds to a perfect measurement.
The Aero|WS weighing system incorporates the following technologies exclusive to SYSTRATEC:
The choice of material and the elaborate interior structure eliminate the bending effect so common in other platform systems by applying the nominal load on a surface equivalent to the tyre’s footprint. This improves the linearity of the instrument and the accuracy of the measurements.
ELECTRONICALLY ASSISTED INSTALLATION
Intelligent firmware routine to help the user to reproduce the mechanical conditions of the calibration laboratory every time the platform is installed for weighing. Visual indications through the control case for the adjustment procedure of the support feet, increasing the precision of the measurements.
SENSORS' BALANCE SURVEILLANCE
Intelligent firmware algorithm that continuously checks the signals received from each of the four sensors available per platform This unique feature detects abnormal signal variations in real time, identifying and indicating possible sensor failure when the load is on the platform.
INDIVIDUAL SHORT-CIRCUIT AND OPEN-CIRCUIT CONTROL
Continuous firmware process that detects sensor short circuit or open circuit failure conditions, also identifying the sensor in question and avoiding taking inaccurate measurements with the instrument.
LABORATORY QUALITY ELECTRONICS
Separate amplification and acquisition stages for each load cell, with operational zero drift instrumentation amplifiers and 24-bit noise immune sigma-delta converters. Fully customisable communications protocol via WiFi, Bluetooth® and/or serial interface for easy industrial integration and/or remote control.
AUTOMATIC CALIBRATION CHECK
Every time the platform is switched on, this exclusive firmware routine checks some parameters and compares them with the original values stored during calibration in our laboratory, detecting possible deviations that could affect the accuracy of the measurements.
INDIVIDUAL CONTROL OF TRACTION AND SATURATION
This firmware routine continuously monitors for possible saturation or an undesirable traction condition of the sensor due, for example, to mechanical locking of the platform by external objects, tools or accessories. It also identifies the sensor in question, facilitating early corrective maintenance.
HBM high-end OIML-certified stainless steel load cells for harsh environments, manufactured in Europe under the strictest quality standards, guaranteeing perfect performance throughout the life of the instrument.
We manufacture our Aero|WS platform weighing system to the standard dimensions shown in the figure. In special cases we can manufacture the system to measure, if required..
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