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We are developing some head clearance measurement system based on image processing and stereo method. Two shading images (a right and left) obtained by a stereo camera are transformed to binary images, and some corresponding features are searched between both images. An important matter of this image processing is an availability under every condition of environment and the process must be managed with suitable methods. In this paper, the structure and the algorithms of our system are described and some experimental results also introduced.

Introducing multiplexed body wiring systems into today's fairly electronic automobiles is becoming essential. However the biggest barrier of its higher cost prevents its practical application for us, automobile manufacturer. We, at DAIHATSU, have tried to break through the barrier by introducing some idea into the system and have developed a prototype system which will be applicable even to our sub-compact sized vehicles. In this paper, some fundamental considerations and conditions to realize a practical system are discussed first. There it follows, our communication system developed under the conditions is introduced. Finally, the application of the prototype system to the DAIHATSU Charade is evaluated.

This computor simulation analysis has been tried as an efficiency study using the Daihatsu Engine/Electric Hybrid 1.5 ton truck which has the “DHS” systems, and run in accordance with three driving patterns such as U.S. LA-4, Australian eight and Japanese ten modes. Every input data are measured and/or evaluated through the actual test and, for the selection of the four driving modes the “DHS” has, three cases of specific fuel consumptions of 190,200 and 210 gr/PS gr/PS · h contour lines are used. As results, the accurate differences of the fuel consumption has been found under every cases.

Out of environmental hazards caused by motor vehicles in big cities in Japan, the exhaust gas is being subject for the strict regulations by the Government but the noise is still looked over relatively; people living in the urban area charges more strongly that they are inconvenienced by noises created by trucks passing by in the nighttime in particular. In compliance with these social needs, Daihatsu Motor Co., Ltd. which has been atop in developing electric vehicles now presents a new type vehicle called "Engine-Electric Hybrid 1.5 ton Truck" which is powered by either of diesel engine and electricity so that it becomes possible to drive it by using electric motor in populated area while speeding up by using diesel engine in the highway. That is, this new truck succeeded in the combination of both merits of electric vehicles and conventional automobiles, non-pollution of the former and benefits by high performance and economy of the latter.

SENBOKU is the name of new town which is expected to become a model area of Clean Transportation in Japan. The transportation of peoples and goods would be systematized, and some kinds of electric vehicles would be used as its means with the valuation of non pollution. Inside of Senboku area, a joint home delivery experimental test, using our newly developed electric cab-van of DAIHATSU ES40V, was finished. The electric propulsion systems, specification and performance of ES40V are discussed as well as its quick - charging system.

A recently introduced Japanese electric light truck, the Daihatsu S-37, is described. Its dimensions are: length 9.84, width 4.25, and height 4.25 ft. The truck's maximum speed is 40 mph. The driving range per charge with a payload of 450 lb and two persons is 40-50 miles. The vehicle contains a series-wound traction motor of 10 hp peak power rating, an SCR chopper speed control unit, and six 12 V batteries of 150 AH capacity. In Japan many Daihatsu S-37 vehicles are in commercial use as delivery trucks for milk and other goods and have acquired a good reputation.