ESG
2026.02.26
Accelerating Dreams into Reality
Rexon Industrial continues to deepen its industry-academia collaboration by donating professional machinery to the National Tsing Hua University (NTHU) Racing Team, empowering students to immerse themselves in hands-on R&D. Now in its second year, this partnership focuses on refining manufacturing techniques and optimizing vehicle performance to sharpen the team's competitive edge. Having witnessed the students’ relentless cycle of adjustments, testing, and restarts, Rexon believes that true value lies not just in the results, but in the experience and passion cultivated throughout the journey. We remain committed to being the ultimate backbone for the younger generation, ensuring their creativity and potential shine brightly on the racetrack.
Technical Article
2026.02.10
5 Surprising Truths About Drone Flight: It's More Complex Than You Think
When we see a drone zipping through the air or hovering perfectly still, it's easy to think of it as just a simple, high-tech toy. A gentle push on the joystick, and it obeys instantly. However, behind that effortless flight lies an incredibly complex system working non-stop, down to the millisecond. In reality, every moment of stability is a perfect crystallization of precision engineering, sophisticated algorithms, and rigorous procedures. This article unveils five surprising truths about drone flight, offering a glimpse into a technological world far deeper than you might imagine. 1. The Invisible Aerial Ballet: How Drones Self-Correct Every Millisecond You might assume a drone's stability is its "natural state," but the truth is the exact opposite—stability is a constant battle of self-correction. The core of this performance is the PID controller within the flight control system. Think of PID as the drone's sense of balance, composed of three key roles: •P (Proportional) - Reaction Speed: This is the most direct corrective force. When the drone tilts, the P value determines how fast it snaps back. For example, the parameter ATC_ANG_RLL_P controls the reaction of the roll axis. If P is too high, the drone will oscillate rapidly like a nervous bird; if too low, it becomes sluggish and wobbles. •I (Integral) - Correction Endurance: This role resists persistent external forces. As noted in technical docs, "Increasing I makes the aircraft less likely to be blown away by wind." If the I value is too low, the result is that the "airframe may not hover stably," drifting constantly in a steady crosswind. •D (Derivative) - Prediction and Damping: The D value acts like a brake. It predicts the over-correction that P might cause and dampens the oscillation beforehand. However, higher isn't always better; "D too high → the airframe will generate high-frequency oscillations or motor overheating," introducing real physical risks. The entire PID tuning process is like directing a precise "aerial ballet." The flight controller, as the dancer, must constantly sense its posture and make millisecond-level adjustments through the coordination of P, I, and D to maintain that breathtaking elegance and balance in the air. ________________________________________ 2. Your Drone Has More Than One "Brain": Decoding Key Flight Modes Drones don't just fly one way; they switch between different "thinking modes" or "brains" depending on the mission. Each mode relies on a specific combination of sensors and logic to achieve different goals. Here are the three most core flight modes: •STABILIZE: This is the closest to pure manual control, best described as "manual primary, assist secondary." In this mode, the flight controller only provides attitude stability; when you release the sticks, it automatically levels itself. This is the purest form of manual flight, favored by aerobatic experts and serving as the ultimate backup if other modes fail. •ALTITUDE HOLD: This mode builds on Stabilize by adding a key feature: "Height Lock." It primarily relies on a Barometer to sense air pressure changes and automatically maintain the current altitude. This greatly reduces the pilot's cognitive load, freeing them from constant throttle management to focus on horizontal framing and movement. •LOITER: One of the most intelligent and commonly used modes. It engages both GPS and the Barometer to lock the drone to a specific 3D coordinate. As described, it "automatically corrects position when wind blows," making it the classic "set it and forget it" mode for aerial photography and stationary surveillance. ________________________________________ 3. The Pre-Flight Ritual: Why You Must "Dance" with Your Drone To a professional pilot, the pre-flight calibration is a sacred and indispensable "ritual." The most ceremonial of these is the Compass (Magnetometer) Calibration. This step requires the operator to "lift the entire aircraft and rotate it 360 degrees along the Z-axis with each of its six sides facing up." It looks like the operator is performing a carefully choreographed "dance" with the drone. This delicate dance is not for show; it serves a vital purpose: it allows the drone's internal compass to learn the unique magnetic signature of its location, granting it a precise sense of direction. Without this, it is flying blind. The consequences are disastrous. Documentation warns that improper calibration will cause "abnormal YAW and spinning in place upon takeoff in any mode"—meaning the drone will spin out of control the moment it leaves the ground. The ritual doesn't stop there. Equally important are static calibrations, such as "Gyro Calibration," which requires the airframe to be on an absolutely level surface, and "Accelerometer Calibration," which asks the operator to "position the airframe with six sides facing up sequentially." These seemingly tedious steps are the bedrock of flight safety and stability. ________________________________________ 4. The Butterfly Effect of Drones: How a 0.5-Degree Error Destabilizes Flight In the unforgiving world of aviation, a drone's flight controller is a brilliant digital brain, but all its intelligence rests on a fragile premise: a perfect mechanical body. Any tiny physical flaw is amplified by flight physics, creating an uncontrollable "butterfly effect." Two cases perfectly illustrate this tension between the digital and the physical: •Tiny Deviation in Motor Angle: Pre-flight checks require verifying that the "motor installation angle is within +/- 0.5 degrees of level." A tilt of just over 0.5 degrees results in "PWM differences > 150 between axes during hover." Behind these numbers lies a brutal reality: the flight controller is forced to make motors "fight" each other to maintain balance, frantically wasting power and generating vibrations that ripple through the frame. •Millimeter Differences in Propeller Balance: Another log analysis case points out, "Uneven weight on a single axis propeller causes unstable hovering." Even a negligible weight difference on a single blade creates massive centrifugal imbalance at high speeds, causing high-frequency vibrations in the arm and body, exhausting the flight controller as it tries to compensate for a physical defect that shouldn't exist. These examples clearly show that stable drone flight is not just a triumph of algorithms, but the highest tribute to mechanical precision. Any imperfection places a heavy burden on that smart digital brain. ________________________________________ 5. The Trinity of Operation: The Dialogue Between Remote, Ground Station, and Drone Most people think piloting is a binary relationship of "Remote Controller vs. Drone." But in the professional realm, there is a crucial "third party"—the Ground Station, which forms an inseparable "trinity" with the remote and the drone. The Ground Station plays distinct but vital roles throughout the lifecycle of a mission: •Deep Pre-Flight Setup: Ground station software (like Mission Planner) is the headquarters for deep customization. As documents state, "Mission Planner allows for advanced fine-tuning," letting operators adjust core parameters like PID that the remote controller simply cannot touch. •In-Flight Mission Command: Ground stations (like QGroundControl) are not just for monitoring. They can connect simultaneously with the remote, providing detailed telemetry data. Notably, this doesn't always require a laptop; nowadays, it is "often built into the Android software of the remote controller," integrating powerful data monitoring directly into your hands. •Post-Flight Data Analysis: Every flight, the drone records all data in a *.BIN log file. After landing, operators can use the ground station to read these logs, analyzing flight attitude and motor output in excruciating detail to diagnose potential issues and prepare for the next flight. Thus, professional drone operation is a complete workflow composed of the "Drone (Executor)," "Remote Controller (Real-time Control)," and "Ground Station (Data & Settings)," all working in unison to achieve precise, safe flight. ________________________________________ Conclusion From the continuous corrections of PID algorithms to the smart switching of flight modes; from the rigorous pre-flight calibration rituals to the intolerance for mechanical imperfection, a drone's smooth flight is far less simple than it appears. This delicate dance between hardware, software, and pilot procedure is exactly what elevates a drone from a simple gadget to a powerful professional tool. It is a system where every detail matters. Next time you see a drone hovering steadily in the sky, will you start to imagine the spectacular ballet of data and correction performing inside it?
Corporate News
2025.12.11
REXON Industrial Earns TTQS Gold Accreditation for the Third Time
REXON Industrial has once again been awarded the TTQS Talent Quality-management System Gold Accreditation in 2025, following previous achievements in 2021 and 2023. This recognition demonstrates the company’s continued advancement in structured talent development and training quality management. Receiving the Gold Award for three consecutive cycles not only highlights REXON’s strong capabilities in talent cultivation, but also reflects the company’s steadfast commitment to the core belief that “people are fundamental,” viewing talent as the key cornerstone of sustainable corporate competitiveness. Looking ahead, REXON Industrial will continue to uphold the spirit of continuous growth and excellence, further enhancing the quality of talent development, strengthening global competitiveness, and moving toward a more outstanding and sustainable future.
ESG
2025.12.08
REXON Industrial Receives Silver Award for Sustainability Report at the 2025 Taiwan Corporate Sustainability Awards
REXON Industrial has once again been recognized at the 2025 Taiwan Corporate Sustainability Awards (TCSA), receiving the Silver Award for Sustainability Report. This honor reflects the company’s commitment to strengthening ESG governance, enhancing transparency, and advancing sustainability practices across environmental, social, and governance dimensions. Following last year's outstanding achievement—winning the Gold Award in the Traditional Manufacturing Category—REXON has continued to refine its sustainability management framework. Through data-driven governance, cross-department collaboration, carbon-reduction initiatives, workplace safety enhancement, supply chain engagement, and community involvement, the company continues to build organizational resilience and elevate sustainability performance. This year’s Silver Award highlights REXON’s ongoing determination to embed sustainability into its core operations. Looking ahead, the company will continue advancing low-carbon manufacturing, responsible governance, and innovation-driven development to deliver greater long-term value to global health and home-living markets.
Corporate News
2025.12.08
Lowe's says shoppers are sticking to small projects as the home-renovation slump drags on
● Lowe's customers continue to steer clear of pricey renovations amid elevated interest rates. ● The CEO pointed to small upgrades as a potential sign of "brighter days ahead" on an earnings call. ● From water heaters to windows, see where Lowe's executives have seen home spending pick up.
Investor Services
2025.12.04
2025 Investor online conference
The Company has been invited to participate in the investor online conference by Yuanta Securities on December 4, 2025, at 2:30 PM. During this session, company introduction, operating results and future prospects of REXON Company will be presented.
ESG
2025.11.25
REXON Industrial Named to Business Weekly’s 2025 Top 100 Carbon Competitiveness Companies
REXON Industrial has been recognized as one of Business Weekly’s 2025 Top 100 Carbon Competitiveness Companies, affirming the company’s progress in sustainable governance, carbon reduction, and smart energy management. By upgrading production equipment, deploying intelligent energy-management systems, and extending low-carbon practices across its supply chain, REXON Industrial demonstrates that sustainability and efficiency can advance together. The company noted that this recognition encourages REXON Industrial to continue accelerating low-carbon manufacturing and partnering with its supply chain to build a more resilient and sustainable industrial ecosystem.
ESG
2025.11.24
Passing On the Gift of Life
A huge thank-you to everyone who came to donate blood today! And to those who stepped up and donated for the very first time—you were absolutely amazing! We also want to give a big round of applause to the two nurses who were incredibly busy throughout the event. You comforted nervous donors, monitored every step of the donation process, and cared for everyone afterward—all while barely having a moment to take a sip of water. Truly, thank you for your hard work! Our appreciation also goes to everyone who patiently waited in line. Some colleagues shared that the donors were chatting and sharing snacks while waiting, spreading the good mood even to those who couldn’t donate. The atmosphere was incredibly warm and welcoming—an event that brought everyone a little closer together. We look forward to seeing even more people sign up next time! Hopefully, the turnout will be so enthusiastic that our nurses will need an extra pair of hands to help out. Thank you once again. Because of all of you, today’s blood donation event wasn’t just successful—it was genuinely heartwarming.