Wearable human arm tremor detection device and signal processing method thereof

Abstract

The invention relates to a wearable human arm tremor detection device and a signal processing method thereof. The device comprises a tremor signal detection system and a tremor signal processing system; wherein, the tremor signal detection system comprises an elbow joint tremor detection system, a wrist joint tremor detection system and a hand tremor detection system; the detection systems adopt independent modular structures; DSP processor units in the detection systems are connected with own sensor modules, wireless communication units and power supply units; the tremor signal processing system comprises a DSP central processing unit and a wireless communication unit as well as a display, which are connected with the DSP central processing unit; the DSP processor unit in the detection system is connected with the DSP central processing unit in the tremor signal processing system by the wireless communication unit. The tremor signal processing method adopts the 'two-stage' adaptive filtering algorithm to obtain the normal movement information and the tremor movement information of the arms of the patients. The device adopts the elbow-wrist-hand type wearing structure and detects the arm tremor information of the tremor patients in real time.

Description

technical field [0001] The invention belongs to human physiological detection equipment, in particular to a wearable human arm tremor detection device with wireless communication, easy to wear, and capable of real-time detection of human arm tremor movement and a signal processing method thereof. Background technique [0002] Tremor is an involuntary, rhythmic, approximately sinusoidal to-and-fro swinging limb movement. 5% of middle-aged and elderly people over the age of 40 suffer from tremor disease, especially Parkinson's disease, which is a common disease with an increasing trend in the incidence rate in the past ten or twenty years. Tremor is common in human limbs, especially arms, affecting fine movements, writing and eating, and in severe cases, it can bring a lot of inconvenience to patients' daily life, work, and social interactions. [0003] Arm tremor is a quantitative index that can objectively evaluate the degree of human arm tremor. This index is invented acco...

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Problems solved by technology

[0005] The human arm tremor detection device in the prior art has the following problems: 1. The types of sensors adopted are too few, and the information obtained is insufficient, and it is impossible to obtain the angular velocity information of the elbow, wrist and hand for measuring the degree of arm tremor and The inclination information cannot fully reflect the tremor movement characteristics of the human arm; 2. The tremor signal processing method is too simplified, and it is impossible to obtain relevant parameters such as the tremor frequency and spectrum reflecting the tremor movement in real time; 3. The detection process is too complicated and the detection function is too simplified; 4. Unable to meet the "portable" requirements, unable to be popularized and practical

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