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This paper studies the problem of image-based leader-follower formation control for mobile robots, where the controller is designed independently of the leader's motion. An adaptive control scheme, which is suitable for both omnidirectional and perspective cameras, is proposed. The proposed approach avoids the need for accurate calibration of the extrinsic parameters of the omnidirectional camera...
Capillary electrophoresis-based single cell analysis has become an essential approach in researches at the cellular level. However, automation of single cell analysis has been a challenge due to the difficulty to control the number of cells injected and the irreproducibility associated with cell aggregation. Herein we report the development of a new microfluidic platform deploying the double nano-electrode...
This paper presents a field programmable lab-on-a-chip (FPLOC) with microfluidics actuation, droplet location/ category readback, built-in-self-test (BIST), and bioassays detection. This FPLOC is composed of 1,800 MEDA microelectrodes and integrates a set of microfluidic operations to perform droplet moving/cutting/mixing. Besides, capacitive sensing circuits are considered for system automation,...
In this paper, the Zhang-gradient (ZG) method, which is a combination of Zhang dynamics (ZD) and gradient dynamics (GD) methods, is proposed for solving the tracking control problem of the multiple-input multiple-output (MIMO) system. Different from the traditional ZG method, GD is used additionally twice more in this paper to get through the derivation procedure. Moreover, each GD parameter is tunable...
This paper developed a novel power harmonic analyzer system based on ARM and FPGA, aiming at reducing the spectrum leakage caused by fixed-frequency sampling. It focused on the design of system architecture, preprocessing circuit, digital multiplier circuit based on FPGA. The comparison of harmonics analysis by using fixed-frequency and frequency tracking samples show that the latter can reduce spectrum...
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