Development of a New Intelligent Joystick for People with Reduced Mobility

Table 2

Characteristics of the proposed intelligent wheelchair.

Wheelchair parameters		A processing device (Raspberry Pi II model B)
Height	89 cm	Price	$39.99
Width	61 cm	Chip	Broadcom BCM2836
Frame weight with batteries	58 kg	Processor	ARMv7 quad-core
Load capacity	110 kg	Processor speed	900 MHz
Linear velocity	8 km/h	Voltage and power draw	650 mA @ 5 V
Ø front wheels	20 cm	GPU`	Dual Core VideoCore IV Multimedia Co-Processor
Ø rear wheels	30 cm	Size	85 × 56 mm
Stopping distance	1 m	Memory	1 GB SD RAM @ 400 MHz
Noise	65 dBA	GPIO	40
Battery life	20 km	USB 2.0	4
Battery	2 × 12 v 28 Ah	Ethernet	10/100mb Ethernet RJ45 Jack
Engine power	2 × 220 W 24 V	Audio	Multichannel HD audio over HDMI, analog stereo from 3.5 mm headphone jack