Mobile Multi Functional Vehicle
The Mobile Multi Functional Vehicle (MMFV) is the new generation of our Multi Functional Vehicle.
Our goal is to make it as easy as possible for our customers to point out the best solutions for both airport and road testing. This new version is a high-value, low-cost product that comes as an all-in-one solution ready for van-mounting. The MMFV mainly consist of a mobile LCMS Rack, that has been developed by Dynatest to ensure the user an extremely flexible solution, to be used on own cars, where it is important that the cars can offer other functions, or on a leased car, where no modifications of the van must be done. The goal is to make it as easy as possible for our customers to point out the best solutions for both airport and road testing.
The mobile solution includes our updated software and the Laser Crack Measurement System (LCMS®-2) from Pavemetrics including camera and GPS. More cameras and the functionality of the Road Surface Profilometer can also be added. MMFV is easily adapted to a wide range of regular vans available all over the world.
Special Features in the Mobile Multi Functional Vehicle
This mobile pavement survey system requires a van with at least 170 cm height and space for the computer rack to be attached to the car ideally with straps inside of the van. Likewise, the mobile LCMS solution requires a towbar of 50 mm / 2 inches. It must be possible to mount a Thule roof box on the van. The chosen Thule solution offers many variable methods of mounting the system. When we know the type of van or the registration number, we can assess the best assembly option for this.
The mobile rack is mounted on a Thule rack and can be easily removed. To avoid modifications to the car, all cables from the LCMS system are inserted through the window. Alternatively, a small hole can be drilled in the roof of the car, after which an insulated protection with access to the cable routing is fitted. In this way, the car’s roof is prevented from leaking even when the cables are not fitted.
The system is powered by the mounted generator in the mobile LCMS system rack. The generator used in this solution is a Honda EU32i, which is a generator ideal for outdoor use where high output is needed. Even with these functionalities the generator is very compact, lightweight, and portable. As a focus on sustainability, this generator model consumes up to 35 percent less fuel compared to the previous model. However, this generator can also be omitted if the customer prefers to use the vans own generator. In this case, a minor modification of the car is needed, and this option requires a minimum of 50 amps overcapacity.
As for the MFV a distance encoder is used to measure the distance. The MMFV use the same encoder but to ensure no modifications of the hosting van, the distance encoder is mounted on one of the vehicles wheels using strong suction cups to ensure a robust solution even in rough environment.
See the Multi Functional Vehicle in action - click on the picture on the right to see the video
There are various ways to collect road distress and smoothness data. For many years a manual survey of the road network has been performed, where the long stretches of roads have been evaluated by eye and often on foot. This method represents a curtain safety risks for the person in charge of the evaluation, a high risk of subjectivity of the evaluated data, and a very labor intensive and high disruptive method.
The Dynatest Multi Functional Vehicle offers an automated road survey method. The benefits of an automated road functional and condition survey represent a very fact-based and objective method with low safety risk for the person in charge of the evaluation, very little disruption (if any) and with the ability to record much more data than the eye caption. The automated survey is also ensuring that more people have direct access to the data. Furthermore, the data collection software, Dynatest Data Collection, together with the post data analysis software, Dynatest Explorer, ensures an easy access to key values as IRI, RN, and PCI.
See the Laser Crack Measurement System in action
The LCMS-2 is the highly-anticipated successor to the incredibly popular LCMS-1. More than 100 LCMS-1 units have been delivered around the world; making it the most widely adopted and trusted sensor of its kind.
Longitudinal Profiling and IRI Option
This option enables the capture of longitudinal profile and reporting of IRI, PPF and ERD data using the LCMS-2’s built-in high-precision Inertial Measurement Units (IMUs). With this the feature the LCMS-2 is able to capture and report profile and IRI at the precision and bias of an ASTM E950 Class 1 profiler across the entire 4m lane width.
Curvature, Grade and Crossfall Option
This option enables the reporting of longitudinal grade, horizontal crossfall (cross slope), curve super elevation and water entrapment using the LCMS-2’s built-in high-precision Inertial Measurement Units (IMUs). Crossfall and water entrapment is calculated and reported according to AASHTO PP 69 (Determining Pavement Deformation Parameters and Cross Slope from Collected Transverse Profiles).
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