2 research outputs found
Effect of multi-variant biofuel on engine performance and exhaust emission of ddf engine system
No full textThis paper presents an investigation on the effect of multi-variant biofuel towards engine performance parameter and emission characteristic, using mix of diesel dual fuel (DDF) engine of different blend biodiesel (B5-DDF and B10-DDF) of palm oil and coconut oil in comparison to pure diesel, diesel-biodiesel (B5 and B10). This experiment was conducted with variable speed between 1400-2700 rpm at an interval of 400rpm. The collected data for engine performance showed that B5- DDF coconut oil produced the highest torque, but the brake specific fuel consumption was reduced as compared to diesel with 36% and 28.02%, respectively. In case of engine emission, lower emission of CO2 was recorded by B5-DDF coconut oil. B10 palm oil emitted low emission of CO compared to other fuels. Significant reduction of NOx concentration was recorded for B5-DDF palm oil compared to other fuel. It can be concluded that, diesel engine with some modifications can be used as engine DDF, which has beneficial effects both in terms of emission reduction and performance as alternative fuel
Automatic Control of Wrist Rehabilitation Therapy (WRist-T) device for Post-Ischemic Stroke Patient
No full textSince a decade, the wrist rehabilitation services in Malaysia has been operated by the physiotherapist (PT). Throughout the rehabilitative procedure, PT commonly used a conventional method which later triggered some problems related to the effectiveness of the rehab services. Timeconsuming, long-waiting time, lack of human power and all those leading to exhaustion, both for the patient and the provider. Patients could not commit to the therapy session due to logistic and domestic problems. This problem can be greatly solved with rehabilitation robot, but the current product in the market is expensive and not affordable especially for lowincome earners family. In this paper, an automatic control of wrist rehabilitation therapy; called WRist-T device has been developed. There are based on three different modes of exercises that can be carried out by the device which is the flexion/extension, radial/ulnar deviation and pronation/supination. By using this device, the patient can easily receive physiotherapy session with minor supervision from the physiotherapist at the hospital or rehabilitation centre and also can be conducted at patient home
