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The global inertial measurement unit market size was valued at USD 15.71 billion in 2021 and is projected to grow from USD 16.41 billion in 2022 to USD 28.37 billion by 2029, exhibiting a CAGR of 8.13% during the forecast period. North America dominated the global IMU market with a share of 38.70% in the year 2021.
Based on the analysis, the global inertial measurement unit market exhibited a decline of -12.5% in 2020 as compared to 2019. The global COVID-19 pandemic has been unprecedented and staggering, with IMU experiencing lower-than-anticipated demand across all regions compared to pre-pandemic levels.
An IMU device is an electronic device that contains accelerometers, gyroscopes, and magnetometers used to measure objects' movement and orientation. The device consists of gyroscopes to measure angular rate and accelerometers to measure and report specific force. It can measure the specific gravity and angular rate of an object to which it is attached. The accelerometer sensors can measure acceleration and velocity. The gyroscope can measure the rotational rate, and the magnetometer is used to measure the magnetic field strength. These sensors can measure any inertial sensor integrated platform's current speed, turn rate, heading, inclination, and acceleration. The device can provide a target location in three-dimensional spaces.
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Increasing Demand for Unmanned Systems Led to an Increase in Demand for the Product
Growing adoption of unmanned aerial vehicles for various commercial and military applications such as aerial photography, situation awareness, law & order enforcement, disaster management, relief & rescue operations, and research & development have caused an increase in the market growth.
Smart robotics that operate remotely or operate using sensor technology will help in the increase in demand for inertial measurement devices. Other evolving technologies like Artificial intelligence and Machine Learning have caused an increase in the development of unmanned vehicles. Vehicles with this technology integrated into their autonomous navigation system can move from a base location to a destination by avoiding obstacles. Unmanned vehicles have been increasingly used in various military applications such as fire and bomb fighting, ISR activities, and search and rescue activities using unmanned aerial vehicles.
Drones help in enabling precise flight control and operations in different environments due to their maneuverability and ability to fly at low speeds. There has been renewed interest in deploying drones for various commercial and military applications. Within the unmanned aerial vehicle autopilot system, inertial measurement devices comprise the collection of sensors used in the Inertial Navigation System (INS). It measures and reports orientation, velocity, and gravitational force to aid navigation and control using raw measurements. An inertial measurement unit device combined with the ultrasonic sensor can map obstructions such as a cliff or wall in a given path that will be passed by a pedestrian. These factors together have been responsible for the growth of the market.
Disruption in Supply Chain Hindered Short-term Growth During COVID-19 Pandemic
Increasing Demand for Micro Electro Mechanical Systems (MEMS) to Propel Inertial Measurement Unit Market Growth
MEMS is one of the most promising technologies of the 21st century, with the potential to revolutionize industrial and consumer products. It combines silicon-based microelectronics with micromachining technology. The increasing use of MEMS devices in advanced navigation, advanced automotive applications, electronics, communication, defense, and medical sectors is expected to increase the use of the IMU sensor in MEMS devices.
Increasing Demand for Robotic Systems to Boost Inertial Measurement Sensors Adoption
Position and movement information for a robot can be checked with such a device. Inertial measurement unit is also used to control and operate the robot wirelessly. An increase in demand for wireless robot control is a major driver of this market. They can be programmed to perform dangerous or repetitive tasks with consistent precision and accuracy. Thus, industrial robots are increasingly used in a variety of industries and applications. These robots make use of inertial sensors.
Inertial measurement devices with inertial sensors are mainly used in robot applications such as dynamic motion and terrain compensation, payload platform stabilization, and antenna and camera pointing applications.
As IMUs are Prone to Errors, there is an increase in Navigation Errors and Heat Dissipation over a Period of Time
The information on the motion of the IMUs is transmitted to the Inertial Navigation System (INS). These measurements are used as input in the INS filter. The result of combining this information with GNSS information gives position, velocity, and attitude. Such measurements can be integrated concerning time. Hence, any errors in the measurements grow over time.
The bias errors, if not removed from the measurement, get integrated twice as part of the mechanization process. Due to this, a constant bias in acceleration becomes a linear error in velocity and a quadratic error in position.
Gyroscopes and accelerometers may be subjected to a change in the bias based on how the sensor experiences acceleration. It is very common in Micro Electro Mechanical Systems (MEMS) gyroscopes when the mass undergoes acceleration along the sensing axis. These errors can significantly affect navigation.
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The Accelerometer Segment Held the Highest Market Share in 2021 Due to an Increase in the Number of Applications Requiring the Use of Accelerometers for the Aerospace Sector
By component, the market is segmented into accelerometer, gyroscope, and magnetometer. The accelerometer segment held the largest market share in 2021 due to its use in consumer electronics. An increasing number of autonomous cars, growing expenditure on the aviation sector, and rapid expansion in space technologies in emerging economies such as India and China help boost the inertial measurement unit market growth.
The gyroscope segment is projected to grow with a moderate CAGR. The segment's growth is attributed to the many uses of gyroscopes in the aviation sector. Different flight instruments use the properties of a gyroscope for their operation. The most common instruments containing gyroscopes are the turn coordinator, heading indicator, and attitude indicator.
The magnetometer segment is estimated to be the fastest-growing segment. The growing use of these sensors in space exploration programs and autonomous devices is projected to fuel the market growth for space-grade IMU.
Due to Increase in Demand for Space-based Navigation Technologies, there has been an Increase in Demand for Ring Laser Gyro
Based on technology, the market is classified into a mechanical gyro, ring laser gyro, fiber optics gyro, MEMS, and others.
The ring laser gyro segment accounted for the largest market share in 2021. Space applications make use of ring laser gyros. Increasing space programs and activities from emerging economies of the Asia Pacific region will propel the market's growth in this segment.
Ring laser gyros, due to their lightweight and no moving parts, benefit the INS. Using such devices in spacecraft helps them maintain accurate positions in environments where GPS technology cannot be used.
The MEMS segment is projected to grow at the highest CAGR throughout the forecast period. The sector's growth can be attributed to the increasing use of miniaturized sensors in automotive applications and smart devices, including wearables.
The fiber optics gyro segment is projected to grow at a moderate CAGR throughout the forecast period. The sector's growth can be attributed to the increasing use of these sensors in motorboats, race cars, and robotics.
Mechanical gyro is used in flight systems such as the INS and Attitude Heading and Reference Systems (AHRS). Rising demand during the forecast period is attributed to increased aircraft deliveries. The segment is projected to grow at a moderate CAGR during the forecast period.
Increasing Focus on Space-based Technologies for Navigation Led to Increasing Adoption of Inertial Measurement Unit for Space Applications
Based on the platform, the market is divided into airborne, ground, maritime, and space.
The space segment accounted for the highest share in 2021. The segment is considered using inertial sensors in space-based applications such as satellite navigation systems. Navigation grade provides inertial attitude and velocity data to a spacecraft's guidance, navigation, and control system. On the space shuttle, data is used to convert steering commands into control surface, engine gimbal, and reaction control system thruster fire commands.
The airborne segment is predicted to grow owing to increased demand for air travel across the world and rising military spending on enhancing space-based capabilities. The airborne segment showed the highest CAGR over the forecast period. The air-based platform is anticipated to be the fastest-growing segment during the forecast period. The increase in this segment is a result of increasing demand for UAVs in various countries.
In the ground segment, the use of inertial sensors in ground-based applications, such as in the automotive segment, smart wearable segment, medical devices, and other applications, has been considered. The accelerometer measures linear acceleration, whereas the gyroscope measures rotational acceleration. The device provides information on the current vehicle location and orientation with a known starting location and precise acceleration measurements. The segment is projected to grow at a low to moderate CAGR during the forecast period.
In the maritime segment, the core of the marine INS is IMU devices. It comprises accelerometers, gyroscopes, and, depending on the system, magnetometers. This device is used for autonomous surface and underwater navigation in the marine segment. The marine grade segment is projected to grow at a moderate CAGR during the forecast period.
Aerospace and Defense Segment Accounted for the Largest Share due to High Demand for UAV and Aircraft Fleets
Based on end-users, the market is segmented into aerospace and defence, consumer electronics, marine/naval, automotive, and others.
The aerospace and defence segment accounted for the largest share of the market in 2021. These devices are essential for control, navigation guidance and stability of UAVs and aircraft. The increase in demand for UAVs and rising aircraft fleets have led to the increasing demand for the product in the aerospace sector.
The automotive segment is expected to be the fastest-growing segment during the forecast period, with the highest CAGR. Such devices help in assessing location and acceleration measurements in vehicles. The rising use of autonomous cars has facilitated the growth of the segment.
The consumer electronics segment is expected to grow at a moderate CAGR. The increasing applications of miniaturized devices using MEMS sensors and the growing interest in new technologies such as smart wearables are surging the demand for inertial navigation units.
The marine/naval segment is projected to grow at a moderate CAGR. The use of inertial measurement sensors for navigation in marine vessels has led to an increase in demand in the marine segment.
The market is segmented into North America, Asia Pacific, Europe, and the rest of the world.
North America dominated the inertial measurement unit market and stood at USD 6.08 billion in 2021. It is projected to grow at a significant CAGR during the forecast period due to high defence spending from the U.S. Department of Defense. According to the U.S. defence budget, the U.S. allocated a budget of USD 782 billion for defence in 2022.
The market in Europe is likely to grow at a moderate rate due to the presence of prominent key players and rise in investment in the latest warfare technologies. Rising defence expenditure from developed countries, such as the U.K., France, Germany, Russia, and others, boosts market growth.
Asia Pacific is expected to grow with the highest CAGR during the forecast period due to increasing expenditure in the space sector from India, China, Japan, and Australia. The Indian defence ministry recently signed a contract with Bharat Electronics Limited (BEL) to supply advanced fighter aircraft with these capabilities to the Indian Air Force.
The market in the rest of the world will showcase significant growth owing to rising defence spending and procurement of the next generations of aircraft and UAVs by Middle Eastern countries such as Israel, Saudi Arabia, Turkey, and others. These factors will surge the demand in different regions worldwide.
Key Players Focus on Innovation and Advancements in Technology to Reinforce Market Position
Key manufacturers, such as Analog Devices Inc., General Electric Company, Gladiator Technologies, Honeywell International Inc., Thales Group, Parker Hannifin Corp, Northrop Grumman Corporation, and Robert Bosch GmbH, dominated the market among other players. These players majorly focus on the introduction of advanced solutions for navigation in different operations and business expansion through partnerships and contracts with defense forces.
An Infographic Representation of Inertial Measurement Unit Market
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The global inertial measurement unit (IMU) market report provides a detailed analysis of the market. It focuses on key areas such as leading companies, product types, and leading product applications. The report offers insights into the market trends and highlights key industry developments. In addition to the above factors, this report encompasses several factors that have contributed to the growth of the market in recent years.
Value (USD Billion)
By Component, Technology, Platform, End-user, and Geography
Fortune Business Insights says that the global market size was USD 15.71 billion in 2021 and is projected to reach USD 28.37 billion by 2029.
The global market will exhibit a CAGR of 8.13% during the forecast period.
The accelerometers segment is the leading segment in the market.
Analog Devices Inc. (U.S.), General Electric Company (U.S.), Gladiator Technologies (U.S.), Israel Aerospace Industries Ltd. (IAI) (Israel), Honeywell International Inc. (U.S.), Thales Group (France), Parker Hannifin Corp (U.S.), Northrop Grumman Corporation (U.S.), Robert Bosch GmbH (Germany), Trimble Inc. (U.S.), Safran S.A (France), and TDK Corporation (Japan).
North America dominated the market in terms of market share in 2021.
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