What is Hyperloop?

Hyperloop is an innovative high-speed transportation concept designed to move passengers at speeds comparable to those of an aircraft, while using a ground-based infrastructure.

The concept uses passenger pods travelling through sealed tubes where air pressure is significantly reduced.

By reducing air resistance, the system can achieve extremely high speeds, potentially exceeding 700 mph (1,125 km/h).

At these speeds, accurate and reliable measurement is essential.

Hyperloop systems need to continuously monitor:

• pod weight and load distribution;

• magnetic levitation stability;

• mechanical forces;

• vacuum pump torque;

• critical safety systems.

Force, load and torque sensors therefore play an important role in monitoring the performance and reliability of Hyperloop systems.

Weight Measurement in Maglev Suspension Systems

For an ultra-high-speed transportation system, stability is critical.

Hyperloop pods must maintain a very precise distance from the guide rail.

Maintaining this distance helps reduce friction and ensures smooth and stable movement.

The pod must also remain properly balanced during operation.

An uneven load distribution can lead to:

• vibrations;

• pod inclination;

• reduced stability;

• increased mechanical stress;

• potential safety issues.

LCF500 Load Cell

The Sensel Measurement LCF500 load cell can be integrated into a Maglev suspension system to accurately measure the loads applied at different points of the pod.

These measurements can be used to determine the load distribution and identify the pod's center of gravity.

Manufactured from stainless steel, the LCF500 provides excellent mechanical strength and is designed for demanding industrial applications.

Key Features

• Capacities up to 50,000 lb

• Accuracy down to 0.1% of rated output

• Stainless steel construction

• Compact design

• Suitable for tension and compression measurements

• Designed for demanding industrial environments

The LCF500 can also be supplied with a tension base to improve measurement repeatability in tension applications.

Vacuum Pump Monitoring Through Torque Measurement

To reach very high speeds, Hyperloop systems require extremely low air pressure inside the transport tubes.

Multiple vacuum pumps can be used to reduce air pressure and minimize aerodynamic resistance.

Continuous monitoring of these pumps is therefore essential.

Torque measurement can help detect:

• mechanical wear;

• reduced performance;

• motor problems;

• overload conditions;

• abnormal pump operation.

TRS605 Rotary Torque Sensor

The Sensel Measurement TRS605 is a rotary torque sensor designed to measure the torque transmitted through the shafts of vacuum pumps in real time.

Its non-contact measurement technology provides excellent durability and reliability, including in applications requiring continuous measurement.

The TRS605 is available for torque measurements up to 1,000 Nm.

An integrated incremental quadrature encoder can also provide shaft speed and position information.

Key Features

• Torque ranges up to 1,000 Nm

• Speeds up to 7,000 RPM

• Real-time torque measurement

• Integrated incremental encoder

• Non-contact measurement technology

• ±5 VDC analog output

• Suitable for PLC and DAQ systems

The information provided by the sensor can be used to calculate motor power and monitor the operating performance of the vacuum pump.

Additional Hyperloop Measurement Applications

Sensel Measurement sensing solutions can be used in many other systems involved in the operation and safety of Hyperloop transportation.

Tube Supports and Structural Monitoring

Load cells can be installed on tube supports and structural components to measure the forces applied to the infrastructure.

Measurements can be used to monitor the effects of:

• temperature variations;

• thermal expansion;

• mechanical loads;

• dynamic loads;

• vibrations.

This information helps engineers evaluate structural performance and identify potential problems at an early stage.

Emergency Braking Systems

Emergency braking systems must be capable of rapidly slowing down a Hyperloop pod while keeping deceleration levels within acceptable limits for passengers.

Load cells and torque sensors can be used to accurately measure the forces and loads generated during braking.

These measurements can help:

• monitor braking forces;

• verify system performance;

• monitor component wear;

• detect abnormal conditions;

• improve overall system safety.

Doors and Locking Systems

Torque measurement can also be used to monitor opening and closing mechanisms.

Sensors can be installed on:

• pod doors;

• hatches;

• locking mechanisms;

• safety doors;

• airlock systems.

Torque monitoring makes it possible to verify that these mechanisms are operating correctly and to detect abnormal increases in the force required to operate them.

How Does the Measurement System Work?

1. Measuring Load Distribution

Several Sensel Measurement load cells can be installed at different points throughout the Hyperloop pod.

Each sensor measures the load applied at its specific location.

The collected data can then be used to determine the overall load distribution and identify the pod's center of gravity.

2. Controlling the Maglev Suspension System

The signals generated by the load cells are transmitted to the control system.

The control system can then adjust the operation of the electromagnetic suspension system.

The objective is to maintain:

• a consistent distance between the pod and the rail;

• stable pod movement;

• accurate alignment;

• balanced load distribution.

3. Monitoring Vacuum Pumps

The TRS605 torque sensors can be installed directly on the rotating shafts of vacuum pumps.

The sensors continuously measure the transmitted torque.

The integrated encoder can also provide information about shaft speed and position.

This data allows the pump's operating performance to be monitored in real time.

4. Connecting to the Control System

The sensor output signals can be connected directly to a PLC, DAQ system, or another control electronics platform.

The measurement data can then be used for:

• real-time monitoring;

• automatic control;

• preventive maintenance;

• performance analysis;

• fault detection.

Measurement Solutions for the Transportation Systems of Tomorrow

The development of ultra-high-speed transportation systems requires accurate, reliable and robust measurement solutions.

Sensel Measurement provides engineers, system integrators and R&D teams with sensing technologies designed to measure the forces, loads and torque present in critical systems.

Our measurement solutions can be used to monitor:

• suspension systems;

• mechanical structures;

• vacuum pumps;

• braking systems;

• doors and locking mechanisms;

• testing and validation equipment.