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SICK’s Dynamic Inclination Sensors Clean-Up Signal Response in 6 Axes

By SICK (UK) LTD on

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SICK has launched its first dynamic 6-axis inclination sensors, the TMS88 D and TMM88 D to achieve unrivalled measurement precision and rapid response times that will aid the real-time safe and efficient operation of outdoor vehicles and machinery, such as mobile cranes, construction and agricultural machinery, or municipal vehicles.

The SICK TMS88 Dynamic and TMM88 Dynamic inclination sensors use inbuilt gyroscope compensation and an intelligent ‘sensor fusion’ algorithm to clean up signal interference caused by sideways slews, shocks and vibrations. Faster and more accurate measurements, for example of tilts, levels, sloping positions or angles, are therefore provided to support critical, real-time dynamic response of vehicle control systems.

At the heart of both sensors is an Inertial Measurement Unit (IMU) consisting of an acceleration sensor and a gyroscope, using MEMS technology to each measure in 360°, x, y and z directions. Proven over 100s of hours of testing with customers in tough conditions, the sensor’s groundbreaking intelligent fusion algorithm then processes the measurements to differentiate between true inclination values and eliminate unwanted signals caused by lateral accelerations.

Said Darren Pratt, SICK’s UK product manager for Motion Control Sensors: “Lateral, or sideways, accelerations in the drive mode of vehicles as a result of slew or cornering, or due to shocks caused by the tool on an excavator arm, for example, can falsify the measurement of inclinations and compromise a vehicle’s performance, or even lead to dangerous operation.

“While conventional MEMS-based inclination sensors use filtering techniques to suppress interference to some degree, which often lead to delays in signal response, the SICK TMS88 D and TMM 88D deliver millisecond response and precise data output, so industrial vehicle manufacturers have the opportunity to build-in higher-level protections, for example to the risks of vehicle tipping, collisions or overloading.

The TMS88 Dynamic is calibrated for single-axis angle measurement over 360° with a configurable zero point, while the TMM88 Dynamic delivers accurate measurement of inclinations in two axes (± 90°) without mutual interference.

With a temperature range between – 40°C and 80°C, a shock resistance of 100g, and completely sealed electronics, the sensors offer the option of plastic or metal enclosures both tested to IP67 and IP69, making them more than a match for operation in the harshest outdoor conditions.

Not only do both inclination sensors provide measured values, but also raw data output that machine builders can use to engineer specific applications for vehicle controls such as collision avoidance, direction detection or to record the development of vibrations.  Both sensors offer interfaces with SAE J1939 for integration into automotive oriented control systems as well as CAN Open communications for factory automation applications such as automated guided vehicles.

Commissioning of the sensors as part of the vehicle control system is straightforward via PLC or controller-oriented software, or users have the option of using SICK’s PGT-12-Pro handheld programming tool for easy set-up.  Using these tools, sensor parameters can be easily configured to optimise the sensor performance to meet the requirements of individual applications.

Extensive in-house benchmarking and comprehensive customer field testing have demonstrated the outstanding accuracy and response speeds of the SICK dynamic inclination sensors.  SICK is already working with leading industrial vehicle manufacturers and specialist integrators to realise the opportunities they present.

For more information about the SICK TMS88 Dynamic and TMM 88 Dynamic, please contact Andrea Hornby on 01727 831121 or email andrea.hornby@sick.co.uk.

www.sick.co.uk

SICK (UK) LTD

SICK is a global leader in sensors and sensing systems for factory automation, logistics automation and process control. SICK’s comprehensive product portfolio encompasses sensors, encoders, machinery safety, machine vision and auto-identification in use by customers all over the world. Established for over 70 years, SICK products range from simple optical devices through to embedded intelligent systems, ready to meet the needs of Industry 4.0.

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SICK sensors: At the heart of automation

SICK is one of the world’s leaders in sensors and sensing technologies for factory automation, logistics automation and process control.

SICK’s comprehensive product portfolio encompasses sensors, encoders, machinery safety, machine vision and auto-identification. The company also provides process instrumentation for gas and fluid flow and for chemical and pollutant detection.

From simple optical sensors and barcode readers to complex safety systems; from machine vision to emissions monitoring, SICK’s intelligent sensor solutions facilitate advanced automation and process control.

SICK products are designed with simplicity of installation and operation in mind. They help customers to achieve greater reliability and productivity, increased production flexibility and more efficient use of resources.

Founded in Germany more than 70 years ago, SICK employs more than 7,400 employees worldwide. The company invests heavily in research and development and is leading the way in smart sensor development to support Industry 4.0 objectives.

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