![]() A cottage sugarcane juice extraction plant based on this technology could provide employment and at the same time produce sugarcane juice and bagasse at low costs for sugar and biofuel industries. Powered by a 3 hp single-phase electric motor, the machine was constructed with materials being available locally at affordable costs. The machine was tested with two varieties of sugarcane each at three levels of moisture content and results showed that average grating efficiency and juice yield of 87.8 % and 2.5 % respectively were obtained. The functional parts of the machine included grating unit, extraction unit, prime mover, pulley, transmission belts, bearings and frame. ![]() Consideration was given to the techno-economic status of the micro and small scale sugarcane farmers and juice processors who are the intended users of the machine. With this, the user or the owner can be away from home with the device monitoring the aquarium condition.Ī small scale sugarcane juice extractor using a screw pressing system was designed, constructed and tested. It will give warning to the user through SMS (Short Messaging Service) so the user will put new feed into the storage. Plus, there is a feedback system that sense the level of feed left in storage. A timer is used to control the number of feeding time at an interval of time. The size of the hole is controlled by a piece of block connected to a motor. The device will feed the fish by dropping the feed from the storage through a hole. First of all, the device will consist of a motor, stand, fish storage, PLC (Programmable Logic Circuit) and a GSM (Global System for Mobile). For this paper, I will monitor the environment in term of water temperature. ![]() At the same time, the environment needs to be monitored. Fish owners whom are away for a long time will have trouble knowing the situation of the pond or aquarium. In a way, it is to control the fish feeding activity by using a fish feeder that combined the mechanical system and electrical system to form a device instead of manually feeding the fish by hand. Abstract-An automatic fish feeder is a device that automatically feed the fish at a predetermined time. With this, the user or the owner can be away from home with the device monitoring the aquarium condition. ![]() The result of the conducted experiments are presented and discussed.Īn automatic fish feeder is a device that automatically feed the fish at a predetermined time. Performances of the robot prototype with the water level control system were examined through laboratory scale experiments. On – Off and proportional – integral (PI) controllers used to control DC motors of the three mechanisms, and the water level control system, respectively. The water level control system used a water pump to pump water out of pond when the level of water exceeds the maximum level limit, and an ultrasonic sensor to measure the level of water in pond. The three mechanisms used three DC motors as actuator, respectively. The system used in this paper consists of a feed storage tank, a feed distribution mechanism, a feed ejection mechanism, an ejector position turning mechanism, a water level control system, a base and a solar panel system for energy sources. The purpose of this study is to develop a fish feeding robot prototype that equipped with a water level control system for pond use and to propose an effective control scheme for the robot prototype and the water level control system.
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