Location History:
- Taoyuan Shien, TW (2009)
- Taoyuan, TW (2022)
Company Filing History:
Years Active: 2009-2022
Title: Innovator Sheng-Chieh Chang: Innovations in Motor Control
Introduction
Sheng-Chieh Chang, an inventive mind based in Tao Yuan Shien, Taiwan, has made significant contributions to the field of motor control technology. With a total of two patents to his name, Chang is recognized for his innovative approaches to estimating motor frequency and enhancing inverter apparatus efficiency.
Latest Patents
Chang's latest patents focus on advanced methods and apparatus in the realm of motor control. One of his notable inventions is an **Estimating Method for Estimating Rotor Frequency of Motor**. This method involves applying a fixed input voltage and selected stator frequencies for frequency scanning. By detecting stator current values and calculating slopes, the method accurately estimates rotor frequency during the motor's freewheeling state.
Another significant patent is the **Inverter Apparatus with Adaptable Voltage-to-Frequency Control**. This apparatus features high-resolution V/f control and processes both small and large-signal portions of an analog input signal through specialized circuits. The micro-controller unit then selects the largest digital output value to generate the corresponding output frequency, enhancing the performance and efficiency of the inverter.
Career Highlights
Sheng-Chieh Chang currently works at Delta Electronics, Inc., a global leader in power and thermal management solutions. His role in this innovative company allows him to drive advancements in technology and contribute to significant projects in the field of electrical engineering.
Collaborations
Throughout his career, Chang has collaborated with talented individuals such as Shao-Kai Tseng and Yuan-Qi Hsu. These collaborations foster a culture of innovation and enable the team to tackle complex challenges in motor technology together.
Conclusion
Sheng-Chieh Chang's contributions to the field of motor control technology, through his innovative patents, continue to shape the industry's landscape. His work at Delta Electronics, Inc. and collaboration with skilled colleagues demonstrate his commitment to advancing technology and improving efficiencies in electrical systems.