Applications
Our engineers have instrumented wheels, driveshafts, steering columns and suspension links on cars, trucks, tractors and trains.
Durability testing
Road load data at the wheel and on the parts, recorded on the proving ground, to size components and drive the rig.
About this type of test- Durability Wheel loads on the road
Three forces and three moments at each wheel, recorded while the vehicle is driven.
- Test rig Road simulators
The loads measured at the wheel on the road, and the proof that the simulator reproduces them.
- Durability Durability campaigns
The load each wheel really sees on a pothole, an obstacle or a rough track, as recorded data.
- Durability Wheel mass and adapters
A wheel force transducer assembly as close as possible to the mass of the production wheel, so the measured peak loads are the real ones.
- Component Engine mount loads
The three forces each mount passes to the frame during start-up, acceleration and gear shifts.
- Component Seat forces
The three forces each seat mounting takes while driving and in a crash, without changing the driving position.
- Suspension Suspension component loads
How the wheel loads split between the suspension components and enter the chassis.
- Suspension MacPherson strut force
The total load into a MacPherson strut, measured at its lower attachment or at its top mount.
- Suspension Ball joint force
Vertical, lateral and longitudinal force in a ball joint, measured on the strain gaged production part.
Vehicle dynamics
Tire forces, side slip angle, steering torque and angle, and wheel speed, recorded during handling maneuvers.
About this type of test- Dynamics Vehicle dynamics
The forces and moments at each wheel while the vehicle brakes, turns and changes lane.
- Dynamics Side slip angle
Side slip angle read without contact by an optical sensor, on a wheel or on the vehicle body.
- Winter Winter testing
Wheel forces and wheel speed measured on snow and ice, to see the moment a tire starts to slip.
- Speed Wheel speed and distance
Wheel speed, vehicle speed and distance traveled, read from the rotation of the wheel itself.
- Speed Encoder pulses to analog voltage
Encoder pulses converted in line to a speed voltage and an angle voltage, for recorders that cannot read pulses.
- Speed Low-speed wheel rotation
Distance and speed at near-zero speed and through a change of direction, without the error a loose stator restraint adds.
- ADAS Autonomous vehicle tracking
Distance traveled, measured at the wheels, for dead reckoning and mobile mapping when GNSS is missing.
- Electric In-wheel motor torque
Drive and brake torque of each in-wheel motor, measured between the tire and the hub.
- Steering Steering torque and angle
The torque the driver applies and the angle of the wheel, measured at the steering wheel, on the road or in the laboratory.
- Steering Motorcycle handlebar torque
Steering torque and steering angle at the handlebar of a motorcycle or an ATV, with the handlebars working as usual.
- Tires Tire-road friction
Tire and road surface forces measured in three directions on a traction fixture, to find the coefficient of friction.
Powertrain and transmission
Half-shaft, propshaft and crankshaft torque, and temperatures on rotating parts, on the road and on the dyno.
About this type of test- Efficiency Vehicle efficiency and power mapping
Torque and speed measured at each driveline stage, from engine to wheel, so each power loss has a location.
- Efficiency Brake drag and rolling resistance
Low drag torques at the wheel, read on the road with a resolution of 0.14 N·m on cars and SUVs.
- Powertrain Axle and half-shaft torque
Drive torque measured on the production shaft, with a slip ring or telemetry to bring the signal out.
- Powertrain Truck solid axle torque
Drive torque on a truck solid axle, read by strain gages inside the shaft and brought out at the wheel.
- Powertrain Drive shaft measurements
Torque, strain and temperature from a drive shaft with no free end, through a slip ring that slides over the shaft.
- Powertrain Accessory belt pulley torque
Torque on an accessory drive pulley, from strain gages on the pulley and a slip ring on the shaft end.
- Electric EV powertrain torque
Torque at each stage of the electric drivetrain, from gearbox shafts to the wheel, to see where power is lost.
- Electric In-wheel motor torque
Drive and brake torque of each in-wheel motor, measured between the tire and the hub.
- Electric Temperature in electric vehicles
Temperatures on the rotating parts of an electric motor, brought out by a slip ring with amplifiers in its rotor.
- Electric Battery thermal management
Battery and motor temperatures on the vehicle, to keep the pack in its range and find the energy lost as heat.
- Engine Crankshaft measurements
Torque, bending and strain on your own crankshaft with the engine running, in the vehicle or on the dyno.
- Agriculture PTO torque and power
The torque and speed that the tractor delivers to the implement, measured during real field work.
- Agriculture Combine harvester gearbox
Torque, speed and temperature on the pulleys, gears and gearboxes of a combine, to find power losses.
- Test rig Measurements in limited space
Strain or temperature off a rotating part where there is no room for a slip ring and a separate amplifier.
Component testing
Forces on suspension links, mounts, seats, hitches and pedals, measured on the part itself in its production position.
About this type of test- Component Engine mount loads
The three forces each mount passes to the frame during start-up, acceleration and gear shifts.
- Component Seat forces
The three forces each seat mounting takes while driving and in a crash, without changing the driving position.
- Suspension Suspension component loads
How the wheel loads split between the suspension components and enter the chassis.
- Suspension MacPherson strut force
The total load into a MacPherson strut, measured at its lower attachment or at its top mount.
- Suspension Ball joint force
Vertical, lateral and longitudinal force in a ball joint, measured on the strain gaged production part.
- Component Robotics and prosthetics
Forces in three directions, and moments, on a robot arm or a prosthetic foot, from a load cell small enough to fit in the assembly.
- Steering Steering torque and angle
The torque the driver applies and the angle of the wheel, measured at the steering wheel, on the road or in the laboratory.
- Steering Motorcycle handlebar torque
Steering torque and steering angle at the handlebar of a motorcycle or an ATV, with the handlebars working as usual.
- Steering Tie rod loads
The tension and compression force in each tie rod while the vehicle is steered and driven.
- Towing Pintle hitch forces
The three forces between towing vehicle and trailer, recorded in real towing situations.
- Lifting Crane load monitoring
The force at each point of a crane's rope and rigging, so that no part is loaded beyond its capacity.
- Medical Medical equipment
Small tension loads, multi-axis forces on prostheses and clean temperature signals, for medical and pharmaceutical equipment.
- Component Drone payload and landing loads
The forces in a drone's payload path, at the moment of release and at touchdown, measured without changing the geometry or adding mass.
Brake testing
Disc and hub temperatures, brake torque, wheel forces and pedal force, measured while the vehicle brakes.
About this type of test- Efficiency Brake drag and rolling resistance
Low drag torques at the wheel, read on the road with a resolution of 0.14 N·m on cars and SUVs.
- Temperature Temperature on rotating parts
The temperature of a bearing, a compressor or a brake rotor, read while the part rotates under load.
- Temperature Brake disc temperature
Disc and hub temperatures read on the turning wheel, through a wheel slip ring or a telemetry package.
- Brakes Brake pedal force
The force the driver puts on the brake pedal, read up to 2 200 N on the series pedal.
- Tires Tire-road friction
Tire and road surface forces measured in three directions on a traction fixture, to find the coefficient of friction.
Crash and impact
Impact forces on the barrier and on the seat mountings, measured in three directions.
About this type of test- Crash Crash barrier loads
Impact force on a crash barrier, measured in three directions by a panel of 124 mm load cells.
- Test rig Road simulators
The loads measured at the wheel on the road, and the proof that the simulator reproduces them.
- Turbines Fan and turbine blades
Strain and temperature from many points on the blades, recorded together while the rotor turns.
- Turbines Wind turbine strain
Strain on the blades and in the gearbox of a wind turbine, brought off the rotor by a slip ring.
- Rig Force and moment load platform
Net forces and net moments on a system, calculated from four three-axis load cells.
- Test rig Measurements in limited space
Strain or temperature off a rotating part where there is no room for a slip ring and a separate amplifier.
- Test rig Gigabit Ethernet through a slip ring
A Gigabit Ethernet link passed through a spinning slip ring, validated by a file transfer with no error.
- EMC EMC and BCI testing
The signals of the equipment under test, carried over fiber so the field does not corrupt them.
Off-road
Wheel and axle loads, PTO torque and power, and hitch forces on trucks, tractors, tracked vehicles and machines.
About this type of test- Off-highway Tracked vehicles
Forces on the road wheels, the idler and the sprocket of a tracked vehicle, to validate the running gear model.
- Agriculture PTO torque and power
The torque and speed that the tractor delivers to the implement, measured during real field work.
- Agriculture Combine harvester gearbox
Torque, speed and temperature on the pulleys, gears and gearboxes of a combine, to find power losses.
- Agriculture Agricultural machinery
Wheel loads, wheel torque, PTO power and forces on working parts, measured on the machine at work.
- Towing Pintle hitch forces
The three forces between towing vehicle and trailer, recorded in real towing situations.
- Lifting Crane load monitoring
The force at each point of a crane's rope and rigging, so that no part is loaded beyond its capacity.
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