China Shenzhen Rion Technology Co., Ltd. Company News

Amidst the growing demand for infrastructure safety monitoring, high-precision inclinometers—serving as critical sensing nodes in monitoring networks—are rapidly transitioning from laboratory settings to the front lines of real-time monitoring for slopes, bridges, dams, and excavation pits. I. Shifting Sensing Capabilities: From "Visible to the Naked Eye" to "Physically Measurable"Structural instability typically progresses from slow creep to catastrophic failure; early-stage micro-deformations serve as a crucial basis for disaster prediction. Modern MEMS (Micro-Electro-Mechanical Systems) inclinometers achieve measurement accuracies of 0.005° and resolutions of 0.001°, enabling the continuous capture of millimeter-level tilt changes in slope rock and soil, bridge towers, and building columns. Unlike manual inspections that rely on visual observation or simple tools, these sensors enable all-weather, unmanned, continuous monitoring. They shift the disaster identification window to the micro-deformation stage, providing a quantitative data foundation for risk assessment and early warning systems. II. Low-Power Networking: Solving the Challenge of Continuous Field MonitoringThe effectiveness of a monitoring system hinges on coverage breadth and data continuity. To address the realities of field environments—characterized by a lack of power and network connectivity, as well as maintenance difficulties—industry-standard solutions integrate low-power wide-area network (LPWAN) technologies (such as NB-IoT, LoRa, and 4G) with long-life batteries: Typical standby power consumption is below the milliampere level, allowing for years of operational life;They feature IP67 or higher ingress protection ratings, ensuring strong environmental adaptability;Sensors automatically upload multi-parameter data—including tilt and acceleration—to the cloud, allowing supervisors to remotely view dynamic trend curves.This effectively replaces high-risk manual inspections and significantly expands the spatiotemporal scope of monitoring, making it possible to detect hazards without leaving the office. III. Edge Computing and Proactive Warning: Reducing Emergency Response TimeThe core of early warning lies in "taking action before disaster strikes." Alarm thresholds for tilt and acceleration—based on engineering standards—are preset at the sensor or edge gateway level. Once data exceeds these limits, the device immediately wakes up and transmits an alert to management personnel within seconds. This "edge-based intelligent assessment and real-time reporting" mechanism transforms the traditional passive model—which relies on centralized queries—into a proactive edge-based alert system. It compresses the warning response time from hours to minutes, securing a critical window for personnel evacuation, traffic control, and emergency reinforcement. IV. Typical Applications and Proactive Prevention OutcomesHigh-precision tilt monitoring devices have been widely deployed across sectors such as mine slopes, highway and railway corridors, reservoir dams, deep foundation pits, and the preservation of historical architecture. By continuously tracking displacement trends and automatically identifying stages of abnormal deformation, management authorities can implement reinforcement, traffic restrictions, or evacuations in advance based on data changes. Extensive operational data demonstrates that this technology significantly reduces rates of missed detections and false alarms. It powerfully drives the evolution of disaster prevention models—shifting from "post-disaster relief" to "proactive prevention," and from labor-intensive manual approaches to technology-driven solutions. ConclusionEffective disaster prevention and mitigation rely on foresight and preparedness. With the convergence of the Internet of Things (IoT), edge computing, and artificial intelligence, the accuracy and timeliness of early warnings will continue to improve. Addressing engineering challenges—such as weak signal extraction, environmental adaptability, and data reliability—is a shared responsibility for both the scientific community and the industry. Only by integrating innovative technologies into disaster prevention and management systems can we truly solidify the foundation for safeguarding lives, property, and the secure operation of critical infrastructure.

       Accurate angle measurement is important for motor grader leveling and grading operations. During construction, changes in machine attitude and working conditions can affect the blade angle and leveling results. The BDA450 Bluetooth dynamic attitude sensor provides real-time attitude data to help monitor the working angle of motor graders and support blade angle adjustment. BDA450 integrates a three-axis accelerometer, three-axis gyroscope and temperature sensor, combined with a Kalman filtering algorithm, to provide stable real-time 3D dynamic attitude measurement. With a maximum update rate of 100 Hz, the sensor can capture dynamic changes of mobile machinery during operation. For motor grader applications, BDA450 can be installed on the machine to monitor its dynamic attitude and working angle. The collected attitude data can be transmitted wirelessly to a controller or other receiving device, providing useful information for blade angle adjustment, machine leveling and grading operations. Key Features for Motor Grader Applications Real-time 3D dynamic attitude measurement Up to 100 Hz update rate Bluetooth 5.1 BLE wireless transmission Three-axis acceleration and gyroscope data output Kalman filtering for stable attitude measurement Up to 40 m line-of-sight wireless transmission Integrated 9-axis sensor and temperature sensor The wireless design can help reduce cable connections between the sensor and control system, providing greater flexibility for equipment integration and installation. BDA450 can also output acceleration and gyroscope data, making it suitable for different motion monitoring requirements. In addition to motor graders, BDA450 can be used in construction vehicles, agricultural machinery, forklifts, cranes, robots, AGVs and other mobile equipment requiring dynamic attitude monitoring.

Reliable Tilt Monitoring for Aerial Work Platforms Aerial work platforms often operate on uneven or sloped ground, making accurate tilt monitoring essential for stable lifting and leveling. The RION SCA118T/SCA128T industrial inclinometer provides real-time inclination measurement through a 4–20mA current output, allowing the control system to monitor the platform angle and support automatic leveling and tilt warning. With up to 0.03° accuracy, 0.01° resolution, IP67 protection, -40°C to +85°C operating temperature and high shock/vibration resistance, the sensor is designed for demanding construction environments. Application The inclinometer can be installed on the vehicle chassis or leveling mechanism to monitor: Platform inclination Vehicle body leveling Lifting system angle Tilt warning and safety control Key Benefits Accurate Measurement: Provides reliable real-time tilt feedback.Industrial Output: 4–20mA signal supports long-distance transmission up to 2,000 m.Harsh-Environment Reliability: IP67 protection and strong resistance to shock, vibration and electromagnetic interference. 1. How is an inclinometer used for aerial work platform leveling? The SCA118T/SCA128T measures the inclination angle of the aerial work platform and sends a 4–20mA signal to the control system. The angle data can be used for leveling, tilt monitoring and safety warning. 2. Why use a 4–20mA inclinometer for construction machinery? A 4–20mA inclinometer provides reliable industrial signal transmission and strong anti-interference performance. It is suitable for construction machinery and other applications where sensors may be installed far from the control system. 3. What is the accuracy of the SCA118T/SCA128T tilt sensor? The SCA118T/SCA128T provides up to 0.03° accuracy and 0.01° resolution, making it suitable for equipment leveling and tilt monitoring applications. 4. Can the SCA118T/SCA128T work in harsh environments? Yes. The sensor features IP67 protection, -40°C to +85°C operating temperature and high shock and vibration resistance, making it suitable for demanding construction and industrial environments. 5. What applications can use this industrial inclinometer? The SCA118T/SCA128T can be used for aerial work platform leveling, construction vehicle leveling, lifting equipment, underground drilling rigs, mining machinery and industrial equipment angle monitoring.

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Shenzhen RION Technology Unveils Advanced Tilt Sensor Solution for Skyscraper Safety Monitoring Shenzhen, China — Shenzhen RION Technology Co., Ltd., a leading high-tech enterprise specializing in sensor development and manufacturing, today announced the deployment of its precision tilt sensor solution for high-rise building structural health monitoring. As global urbanization pushes skylines to unprecedented heights, real-time inclination monitoring has become a critical necessity for ensuring structural safety. RION's Breakthrough: Precision Meets Practicality RION Technology's tilt sensors, installed horizontally atop high-rise buildings, provide continuous high-precision angular measurements that feed into comprehensive structural analysis systems. A key innovation sets RION's solution apart: the sensor tolerates misalignment between its input axis and the measured axis without compromising data accuracy. This breakthrough eliminates the need for perfect on-site alignment, dramatically simplifying installation and reducing deployment costs. Key Product Features Feature Description Input Axis Tolerance Maintains full accuracy even with axial misalignment, simplifying setup High-Precision Sensing Captures minute angular deviations in real time for early structural warning Rugged Industrial Build Endures harsh rooftop environments including wind, rain, and lightning Plug-and-Play Integration Seamlessly connects with existing building safety monitoring infrastructure Low Maintenance Industrial-grade components ensure decades of reliable operation About Shenzhen RION Technology Co., Ltd. Headquartered in Shenzhen—China's premier innovation hub—RION Technology is a high-tech enterprise dedicated to R&D, manufacturing, sales, and system integration of tilt sensors, electronic compasses, and related sensing products. ISO 9000 certified, the company also serves as the exclusive China distributor for renowned European and American sensor brands and provides customized development and testing solutions. Product Portfolio RION's product lineup includes: Tilt Sensors (Inclinometers) Digital Inclinometers & Tilt Meters Inclinometer Probes 3D Electronic Compasses Industrial-Grade Accelerometers Cross-Industry Applications Industry Application Construction & Civil Engineering Building tilt, dam safety, bridge health, tunnel deformation monitoring Automotive & Transportation Vehicle stability, railway alignment, chassis leveling Marine & Aerospace Ship stability, flight attitude, navigation systems Energy & Resources Oil drilling, coal mine safety, power grid monitoring, ocean surveying Medical & Industrial Precision positioning, metallurgy, textile machinery alignment Industry Outlook With over 150 super-tall buildings (300m+) under construction globally and thousands of high-rises requiring ongoing monitoring, the structural health monitoring market is poised for significant growth. RION Technology, backed by ISO-certified manufacturing and dedicated R&D capabilities, is strategically positioned to serve this expanding global market. For more information about RION Technology's tilt sensor solutions, please contact the company's sales and technical support team.

      During the rainy season, heavy rainfall can increase the risk of landslides, mudslides and slope instability. Continuous monitoring of small changes in slope inclination is essential for early warning and disaster prevention.     To support reliable geological disaster monitoring, RION Technology has developed the SCA118T/SCA128T single-axis and dual-axis tilt sensors. Based on MEMS sensing technology, the sensors are designed to detect small inclination changes in slopes, embankments and other geological monitoring sites.    The SCA118T/SCA128T provide 0.03° accuracy and 0.01° resolution, enabling continuous monitoring of subtle changes in slope inclination. Temperature and nonlinear error compensation help maintain stable measurement performance under changing outdoor conditions. Designed for demanding industrial environments, the sensors support a ±1° to ±180° measuring range, 4-20 mA current output, and transmission distances of up to 2,000 m. With 9-36 VDC power supply, -40°C to +85°C operating temperature, IP67 protection and high vibration and shock resistance, they are suitable for long-term outdoor monitoring.       The sensors can be installed on mountain slopes, embankments, dams, roads and other geological risk areas. The single-axis version focuses on slope inclination monitoring, while the dual-axis version enables two-direction inclination measurement. By providing real-time inclination data, SCA118T/SCA128T can be integrated with monitoring and warning systems to help identify abnormal slope movements and support timely risk assessment and emergency response. Key Features: 0.03° measurement accuracy 0.01° resolution Single-axis and dual-axis options ±1° to ±180° measuring range 4-20 mA current output Up to 2,000 m transmission distance 9-36 VDC power supply -40°C to +85°C operating temperature IP67 protection Suitable for long-term outdoor monitoring Applications: Landslide monitoring, slope monitoring, mudslide risk monitoring, embankment monitoring, dam deformation monitoring and geological hazard monitoring. RION Technology continues to provide industrial sensing solutions for reliable monitoring and intelligent infrastructure protection.

Introduction In the era of Industry 4.0, predictive maintenance has become a cornerstone of operational efficiency. We are proud to introduce our latest innovation: a high-precision, wide-response frequency Ethernet high-frequency vibration sensor designed for real-time triaxial vibration measurement. This advanced sensor outputs triaxial (X, Y, Z) vibration acceleration values in real time, empowering industries to monitor equipment health with unprecedented accuracy and reliability. Key Features 1. Ultra-High Response Frequency Bandwidth With a measurement range extending up to 10 kHz, this sensor covers the fault frequency spectrum of virtually all rotating machinery commonly found in industrial environments. From low-speed gearboxes to high-speed turbines, the broad bandwidth ensures no critical vibration signature goes undetected. 2. Ultra-High Sensitivity and Linearity Equipped with a 20-bit ADC sampling system, the sensor achieves an exceptional sensitivity of 0.095 mg/LSB. This level of precision allows the sensor to capture even the most subtle vibration anomalies—early warning signs that conventional sensors often miss—enabling proactive intervention before minor issues escalate into major failures. 3. High Integration — True Triaxial Measurement Unlike traditional setups that rely on separate data acquisition cards paired with individual sensors, our solution delivers simultaneous triaxial (X, Y, Z) vibration transient data in a single compact unit. This high level of integration simplifies installation, reduces wiring complexity, and lowers overall system costs. 4. Ethernet Communication Interface Data is transmitted directly to your server or cloud platform via a 10/100M adaptive Ethernet interface, eliminating the need for intermediate controllers, gateways, or adapter modules. This plug-and-play architecture enables seamless, uninterrupted real-time waveform uploads, making remote condition monitoring simpler and more accessible than ever. 5. Stable DC 12V Power Supply The sensor operates on a reliable DC 12V power input, ensuring consistent and stable data transmission in demanding industrial environments. Technical Specifications Parameter Specification Measurement Range±50g Power SupplyDC 12V Protection RatingIP67 (dust-tight & water-immersible) Frequency BandwidthDC ~ 10 kHz Noise Density35 µg/√Hz (ultra-low noise) Operating Temperature-40°C ~ +85°C ADC Resolution20-bit Sensitivity0.095 mg/LSB Communication10/100M adaptive Ethernet Application Scope This sensor is purpose-built for real-time condition monitoring and health assessment of rotating machinery across a wide range of industrial sectors. Typical applications include: Industrial motors — continuous vibration monitoring for early fault detection Pumps and compressors — cavitation, misalignment, and bearing wear analysis Fans and blowers — imbalance and aerodynamic instability monitoring Gas engines and generators — combustion and mechanical vibration tracking Reducers and gearboxes — gear mesh frequency and bearing condition assessment Why Choose This Sensor? Traditional vibration monitoring systems typically require a complex chain of components—sensors, signal conditioners, data acquisition cards, and controllers—each introducing potential points of failure, signal degradation, and additional cost. Our Ethernet vibration sensor collapses this entire chain into a single, intelligent device that connects directly to your network infrastructure. The result: faster deployment, lower total cost of ownership, and higher data fidelity. Whether you are building a new predictive maintenance program from scratch or upgrading an existing condition monitoring system, this sensor provides the accuracy, reliability, and ease of integration that modern industrial operations demand. Contact Us For detailed specifications, pricing inquiries, or to discuss your specific application requirements, please reach out to our engineering team. We are committed to helping you achieve maximum equipment uptime and operational excellence.

As wind turbines continue to increase in height and capacity, tower stability has become an important factor in ensuring long-term operational safety and power generation efficiency. Continuous monitoring of tower inclination helps detect abnormal structural movement at an early stage, enabling predictive maintenance and reducing unplanned downtime. The PDA826FL Dynamic Tilt Sensor is designed specifically for low-frequency dynamic inclination measurement, making it well suited for monitoring the slow oscillations and subtle movements of wind turbine towers under changing wind loads. Accurate Monitoring of Low-Frequency Tower Motion Unlike conventional inclination sensors that focus mainly on static measurements, the PDA826FL is optimized for low-frequency dynamic applications. It can accurately capture slowly changing tilt signals caused by wind-induced tower movement while maintaining excellent measurement stability. Each sensor undergoes: Full temperature calibration Long-term stability testing Factory compensation across the entire operating temperature range These processes ensure reliable performance under varying environmental conditions commonly encountered in wind farms. Designed for Harsh Outdoor Environments Wind turbines operate in challenging environments with continuous vibration, temperature changes, and electromagnetic interference. The PDA826FL is engineered to maintain stable operation under these conditions. Key specifications include: Dual-axis inclination measurement Measuring range: ±10° Resolution: 0.0005° Operating temperature: -40°C to +85°C Wide input voltage: DC 9–36V Excellent low-frequency response High resistance to shock, vibration, and electromagnetic interference These features make the sensor suitable for long-term structural health monitoring in demanding outdoor installations. Flexible Industrial Communication The PDA826FL supports multiple industrial communication interfaces, allowing easy integration into existing monitoring systems. Available output options include: RS485 RS422 RS232 The sensor also supports the industry-standard MODBUS protocol, simplifying communication with PLCs, SCADA systems, industrial computers, and remote monitoring platforms. Dedicated PC software enables users to visualize, record, and analyze inclination data in real time, supporting preventive maintenance and trend analysis. Easy Installation and System Integration The PDA826FL features a non-contact measurement design that simplifies installation. The sensor can be securely mounted to the monitored structure using standard screws, after which it automatically measures the object's inclination relative to the horizontal plane. Its compact design and straightforward installation process reduce commissioning time while improving overall system reliability. Applications Beyond Wind Energy Although developed for wind turbine tower monitoring, the PDA826FL is also suitable for a wide range of structural monitoring applications, including: Wind turbine tower monitoring Bridge and dam structural monitoring Historic building preservation High-speed railway track monitoring Geological equipment inclination monitoring Satellite communication vehicles Engineering vehicle leveling Supporting Reliable Structural Health Monitoring As condition-based maintenance becomes increasingly important in industrial infrastructure, accurate inclination monitoring provides valuable data for evaluating structural behavior over time. With its high resolution, stable low-frequency performance, and flexible industrial interfaces, the PDA826FL offers an effective solution for engineers requiring reliable dynamic tilt measurements in critical monitoring applications.

      With the increasing demand for wind power safety and operational efficiency, real-time monitoring of turbine structure inclination has become an important part of wind energy asset management. The PCA826T-CAN2.0A/CAN2.0B high precision tilt sensor is designed for wind turbine monitoring applications, providing accurate angle measurement and reliable data communication for structural condition assessment.      The PCA826T is a dual-axis inclinometer developed for high-precision inclination measurement. Before delivery, each sensor undergoes full temperature range calibration and long-term stability testing to ensure reliable performance under complex outdoor environments. The built-in filtering algorithm reduces measurement noise while improving response speed, allowing stable monitoring of small angle changes in wind turbine structures.     In wind turbine applications, the sensor can be installed on the tower, nacelle, foundation structure, or supporting equipment to monitor horizontal tilt variations caused by foundation settlement, structural deformation, or environmental factors. With non-contact installation characteristics, the PCA826T can be easily mounted on the measured surface using screws, enabling automatic calculation of horizontal inclination angles.      The sensor supports CAN2.0A/CAN2.0B communication, allowing integration with industrial control systems and remote monitoring platforms. Its wide voltage input range of DC 9–36V, operating temperature range of -40℃ to +85℃, and IP67 protection rating make it suitable for harsh outdoor wind power environments.

        As the number of aging buildings continues to grow, unsafe building monitoring has become an essential part of modern structural safety management. By deploying high-precision MEMS tilt sensors, engineers can continuously monitor building inclination, structural deformation, and foundation settlement, providing reliable data for safety assessment and early warning.         In a recent unsafe building monitoring project, the RION HCA716S/HCA726S CANopen Tilt Sensor was installed at critical load-bearing points to continuously measure changes in building inclination. Featuring a high-precision 24-bit A/D converter and advanced MEMS sensing technology, the sensor delivers a resolution of up to 0.001°, enabling accurate detection of even the smallest angular changes and helping maintenance teams assess structural conditions in real time.         The sensor supports measurement ranges from ±1° to ±180° and integrates a CANopen communication interface, allowing seamless connectivity with PLCs, RTUs, and remote monitoring platforms for real-time data acquisition, trend analysis, and automatic alarm notifications. With an IP67 protection rating, an operating temperature range of -40°C to +85°C, and excellent vibration resistance, it is well suited for long-term outdoor deployment in harsh environments.          Compared with traditional manual inspections, continuous online tilt monitoring provides uninterrupted records of structural movement and enables early detection of abnormalities caused by foundation settlement, nearby construction activities, or environmental changes. This approach improves monitoring efficiency, reduces maintenance costs, and provides reliable data support for building safety management, disaster prevention, and structural health monitoring (SHM) applications in smart cities.

.gtr-container-x7y2z9 { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; max-width: 100%; box-sizing: border-box; } .gtr-container-x7y2z9 p { font-size: 14px; margin-bottom: 1em; text-align: left !important; word-break: normal; overflow-wrap: normal; } .gtr-container-x7y2z9 strong { font-weight: bold; color: #0000FF; } .gtr-container-x7y2z9__heading-main { font-size: 18px; font-weight: bold; color: #0000FF; margin-top: 2em; margin-bottom: 1em; padding-bottom: 0.5em; border-bottom: 2px solid #0000FF; text-align: left; } .gtr-container-x7y2z9__heading-main:first-child { margin-top: 0; } .gtr-container-x7y2z9__heading-sub { font-size: 14px; font-weight: bold; color: #333; margin-top: 1.5em; margin-bottom: 0.8em; text-align: left; } @media (min-width: 768px) { .gtr-container-x7y2z9 { padding: 24px 40px; max-width: 960px; margin: 0 auto; } .gtr-container-x7y2z9__heading-main { margin-top: 2.5em; margin-bottom: 1.2em; } .gtr-container-x7y2z9__heading-sub { margin-top: 2em; margin-bottom: 1em; } } Product Overview The LCA318T/LCA328T is a compact MEMS Sensor designed for accurate tilt and inclination measurement in industrial environments. Available in single-axis and dual-axis configurations, this Tilt Sensor features a standard 4–20mA output, IP67 protection, and long-distance signal transmission capability of up to 2000 meters. Its small size, low power consumption, and high resistance to electromagnetic interference make it suitable for demanding Industrial Monitoring applications. As a reliable Inclinometer, the sensor supports measurement ranges from ±30° to 360° with an accuracy of up to ±0.1°, enabling precise angle detection in both static and slow-moving systems. Key Features High Accuracy and Stability The LCA318T/LCA328T delivers measurement accuracy up to ±0.1° with excellent long-term stability and a resolution as fine as 0.02°. Rugged Industrial Design Designed for harsh environments, the sensor operates from -40°C to +85°C, withstands vibration levels above 3500g, and offers IP67 protection against dust and water ingress. Flexible Integration With a wide input voltage range of 9–36V DC and industry-standard 4–20mA output, the sensor can be easily integrated into industrial control and monitoring systems. How It Works The sensor utilizes advanced capacitive MEMS technology. Inside the device, a micro-mechanical pendulum responds to the Earth's gravitational field. When the sensor tilts, the gravitational component acting on the pendulum changes, causing a variation in capacitance. The internal circuitry amplifies and filters this signal before converting it into a precise inclination angle output. Because the measurement is non-contact, the sensor provides stable real-time angle data with excellent reliability and minimal wear over time. This operating principle makes the sensor ideal for applications requiring continuous position and attitude monitoring. Conclusion The LCA318T/LCA328T MEMS Tilt Sensor combines compact design, high accuracy, and robust industrial performance. It is widely used in Construction Equipment, platform leveling, antenna positioning, and vehicle chassis measurement. Additionally, it can support advanced applications such as Structural Health Monitoring, Bridge Monitoring, and Solar Tracking System installations where accurate inclination data is essential for operational safety and performance. As industrial automation continues to evolve, reliable inclinometer technology remains a critical component of modern monitoring solutions.

.gtr-container-mems-gyro-789xyz { font-family: Verdana, Helvetica, "Times New Roman", Arial, sans-serif; color: #333; line-height: 1.6; padding: 16px; box-sizing: border-box; } .gtr-container-mems-gyro-789xyz p { font-size: 14px; margin-bottom: 1em; text-align: left !important; word-break: normal; overflow-wrap: normal; } .gtr-container-mems-gyro-789xyz-title { font-size: 18px; font-weight: bold; color: #0000FF; margin-bottom: 1.5em; text-align: left !important; } .gtr-container-mems-gyro-789xyz-subtitle { font-size: 16px; font-weight: bold; color: #555; margin-top: 2em; margin-bottom: 0.8em; text-align: left !important; } .gtr-container-mems-gyro-789xyz ul { list-style: none !important; padding-left: 20px; margin-bottom: 1em; } .gtr-container-mems-gyro-789xyz ul li { position: relative; padding-left: 15px; margin-bottom: 0.5em; font-size: 14px; text-align: left !important; list-style: none !important; } .gtr-container-mems-gyro-789xyz ul li::before { content: "•" !important; position: absolute !important; left: 0 !important; color: #0000FF; font-size: 1.2em; line-height: 1; } @media (min-width: 768px) { .gtr-container-mems-gyro-789xyz { max-width: 960px; margin: 20px auto; padding: 24px; } .gtr-container-mems-gyro-789xyz-title { font-size: 20px; } .gtr-container-mems-gyro-789xyz-subtitle { font-size: 18px; } } High-Precision Phase Error Identification for MEMS Gyroscopes MEMS gyroscopes are key angular velocity sensors in inertial navigation, valued for their low cost, small size, and low power consumption. They operate on the Coriolis principle, using electrostatic drive and capacitive sensing, and can be modeled as a mass-spring-damper system. However, their performance is degraded by errors such as frequency split, stiffness coupling, and especially temperature-induced demodulation phase error, which worsens zero-rate output (ZRO). A team from Beihang University, Zhejiang University, and Nanjing University of Science and Technology proposed a high-precision phase error identification method that requires no extra instruments. By applying electrostatic forces to quadrature correction electrodes, the demodulation phase error can be identified over the full temperature range. Experiments confirmed its consistency and accuracy. The method, based on quadrature-voltage-induced equivalent angular rate (QIR), was compared with the Coriolis-induced equivalent rate (CIR) approach using four quad-mass gyroscopes (QMGs). Tests across temperatures showed QIR compensation yielded smaller ZRO and better repeatability. Keys: Phase compensation RMSE reduced by 54–86% ZRO repeatability improved by 35–95% Bias instability by 50–75% Angle random walk by 62–69% Future work aims at self-calibrating, real-time phase error identification. Link to the thesis: